|
600
|
I am using Layout property to sort multiple columns at once. The problem is that all items get expanded. How do I prevent that
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
with (IUnknown(Columns.Add('P1')) as EXTREELib_TLB.Column) do
begin
Def[EXTREELib_TLB.exCellHasCheckBox] := OleVariant(True);
PartialCheck := True;
end;
with (IUnknown(Columns.Add('P2')) as EXTREELib_TLB.Column) do
begin
Def[EXTREELib_TLB.exCellHasCheckBox] := OleVariant(True);
PartialCheck := True;
FormatColumn := '1 index ``';
end;
with Items do
begin
h := AddItem('Root');
InsertItem(h,Null,'Child A');
InsertItem(h,Null,'Child B');
InsertItem(h,Null,'Child A');
InsertItem(h,Null,'Child B');
AddItem('Root');
AddItem('Root');
end;
SingleSort := False;
Layout := 'multiplesort="C0:1 C1:2";collapse=""';
EndUpdate();
end
|
|
599
|
How can I get ride / hide the image being dragged by OLE Drag and Drop
// OLEStartDrag event - Occurs when the OLEDrag method is called.
procedure TForm1.Tree1OLEStartDrag(ASender: TObject; Data : IExDataObject;var AllowedEffects : Integer);
begin
// Data.SetData("data to drag")
with Tree1 do
begin
AllowedEffects := 1;
end
end;
with Tree1 do
begin
OLEDropMode := EXTREELib_TLB.exOLEDropManual;
Background[EXTREELib_TLB.exDragDropAfter] := $ffffff;
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
Columns.Add('Default');
with Items do
begin
h := AddItem('Root');
InsertItem(h,Null,'Child 1');
InsertItem(h,Null,'Child 2');
ExpandItem[h] := True;
end;
end
|
|
598
|
How can I export checked items only
with Tree1 do
begin
BeginUpdate();
MarkSearchColumn := False;
with Columns do
begin
(IUnknown(Add('C1')) as EXTREELib_TLB.Column).Def[EXTREELib_TLB.exCellHasCheckBox] := OleVariant(True);
(IUnknown(Add('C2')) as EXTREELib_TLB.Column).FormatColumn := '1 index `A-Z`';
(IUnknown(Add('C3')) as EXTREELib_TLB.Column).FormatColumn := '100 index ``';
end;
with Items do
begin
AddItem('Item 1');
CellState[OleVariant(AddItem('Item 2')),OleVariant(0)] := 1;
CellState[OleVariant(AddItem('Item 3')),OleVariant(0)] := 1;
end;
EndUpdate();
OutputDebugString( 'Export CSV Checked Items Only:' );
OutputDebugString( Export('','chk') );
end
|
|
597
|
How can I export a hidden column
with Tree1 do
begin
BeginUpdate();
MarkSearchColumn := False;
with Columns do
begin
Add('C1');
with (IUnknown(Add('C2')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '1 index `A-Z`';
Visible := False;
end;
with (IUnknown(Add('C3')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '100 index ``';
Visible := False;
end;
end;
with Items do
begin
AddItem('Item 1');
AddItem('Item 2');
AddItem('Item 3');
end;
EndUpdate();
OutputDebugString( 'Export CSV Hidden Columns (1,2):' );
OutputDebugString( Export('','|1,2') );
end
|
|
596
|
I'm trying to use automatic numbering of the outline. How can I have A, B, C for root items, 1, 2, 3 for the sub-items, and a, b, c for sub-sub-items (sample 3)
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
DrawGridLines := EXTREELib_TLB.exRowLines;
AutoDrag := EXTREELib_TLB.exAutoDragPositionAny;
HasLines := EXTREELib_TLB.exSolidLine;
Indent := 16;
MarkSearchColumn := False;
with Columns do
begin
with (IUnknown(Add('')) as EXTREELib_TLB.Column) do
begin
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
FormatColumn := '((1:=(0 :=(1 rpos ''.|A-Z||a-z|'')) rfind `.`) < 0 ? `<b>` + =:0 + `` : (=:0 mid (1 + 1 + =:1) ) + `)` ) + ` ` + value';
end;
end;
with Items do
begin
h := AddItem('Root');
InsertItem(h,Null,'Child');
hChild := InsertItem(h,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(h,Null,'Child');
ExpandItem[0] := True;
h := AddItem('Root');
InsertItem(h,Null,'Child');
hChild := InsertItem(h,Null,'Child');
CellState[OleVariant(hChild),OleVariant(0)] := 1;
InsertItem(hChild,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(h,Null,'Child');
end;
EndUpdate();
end
|
|
595
|
I'm trying to use automatic numbering of the outline. How can I have A, B, C for root items, 1, 2, 3 for the sub-items, and a, b, c for sub-sub-items (sample 2)
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
GridLineColor := RGB(190,190,190);
DrawGridLines := EXTREELib_TLB.exRowLines;
AutoDrag := EXTREELib_TLB.exAutoDragPositionAny;
HasLines := EXTREELib_TLB.exSolidLine;
Indent := 16;
with Columns do
begin
Add('Default');
with (IUnknown(Add('')) as EXTREELib_TLB.Column) do
begin
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
Def[EXTREELib_TLB.exCellPaddingRight] := OleVariant(4);
AllowSizing := False;
Width := 36;
Position := 0;
FormatColumn := '(1:=(0 :=(1 rpos ''.|A-Z||a-z|'')) rfind `.`) < 0 ? `<b>` + =:0 : (`............` left 2 * (=:0 count `.`)) + (=:0 mid (1 + 1 + =:' +
'1) ) ';
end;
end;
with Items do
begin
h := AddItem('Root');
InsertItem(h,Null,'Child');
hChild := InsertItem(h,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(h,Null,'Child');
ExpandItem[0] := True;
h := AddItem('Root');
InsertItem(h,Null,'Child');
hChild := InsertItem(h,Null,'Child');
CellState[OleVariant(hChild),OleVariant(0)] := 1;
InsertItem(hChild,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(h,Null,'Child');
end;
EndUpdate();
end
|
|
594
|
I'm trying to use automatic numbering of the outline. How can I have A, B, C for root items, 1, 2, 3 for the sub-items, and a, b, c for sub-sub-items (sample 1)
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
DrawGridLines := EXTREELib_TLB.exRowLines;
AutoDrag := EXTREELib_TLB.exAutoDragPositionAny;
HasLines := EXTREELib_TLB.exSolidLine;
Indent := 16;
with Columns do
begin
Add('Default');
with (IUnknown(Add('')) as EXTREELib_TLB.Column) do
begin
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
Def[EXTREELib_TLB.exCellPaddingRight] := OleVariant(4);
Alignment := EXTREELib_TLB.RightAlignment;
AllowSizing := False;
Width := 24;
Position := 0;
FormatColumn := '(1:=(0 :=(1 rpos ''.|A-Z||a-z|'')) rfind `.`) < 0 ? `<b>` + =:0 : `<i>` + (=:0 mid (1 + 1 + =:1) ) ';
end;
end;
with Items do
begin
h := AddItem('Root');
InsertItem(h,Null,'Child');
hChild := InsertItem(h,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(h,Null,'Child');
ExpandItem[0] := True;
h := AddItem('Root');
InsertItem(h,Null,'Child');
hChild := InsertItem(h,Null,'Child');
CellState[OleVariant(hChild),OleVariant(0)] := 1;
InsertItem(hChild,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(hChild,Null,'Child');
InsertItem(h,Null,'Child');
end;
EndUpdate();
end
|
|
593
|
Is it possible to have a different alignment for parts of the cell's caption
with Tree1 do
begin
BeginUpdate();
TreeColumnIndex := -1;
DrawGridLines := EXTREELib_TLB.exRowLines;
with (IUnknown(Columns.Add('Default')) as EXTREELib_TLB.Column) do
begin
Def[EXTREELib_TLB.exCellHasCheckBox] := OleVariant(True);
end;
with Items do
begin
CellHAlignment[OleVariant(AddItem('all-left')),OleVariant(0)] := EXTREELib_TLB.LeftAlignment;
CellHAlignment[OleVariant(AddItem('all-center')),OleVariant(0)] := EXTREELib_TLB.CenterAlignment;
CellHAlignment[OleVariant(AddItem('all-right')),OleVariant(0)] := EXTREELib_TLB.RightAlignment;
h := AddItem('left<c>center<r>right');
CellCaptionFormat[OleVariant(h),OleVariant(0)] := EXTREELib_TLB.exHTML;
end;
EndUpdate();
end
|
|
592
|
I have a column with Def(exCellSingleLine) property on False, word-wrapping, and I am wondering if possible to update the column's content while user is resizing it
with Tree1 do
begin
BeginUpdate();
with Columns do
begin
with (IUnknown(Add('MultipleLine')) as EXTREELib_TLB.Column) do
begin
Width := 32;
Def[EXTREELib_TLB.exCellSingleLine] := OleVariant(False);
Def[EXTREELib_TLB.exColumnResizeContiguously] := OleVariant(True);
end;
with (IUnknown(Add('SingleLine')) as EXTREELib_TLB.Column) do
begin
Def[EXTREELib_TLB.exCellSingleLine] := OleVariant(False);
end;
end;
with Items do
begin
CellCaption[OleVariant(AddItem('This is a bit of long text that should break the line')),OleVariant(1)] := 'This is a bit of long text that should break the line';
end;
EndUpdate();
end
|
|
591
|
How do I sort the index column as numeric
// AddItem event - Occurs after a new Item has been inserted to Items collection.
procedure TForm1.Tree1AddItem(ASender: TObject; Item : HITEM);
begin
with Tree1 do
begin
with Items do
begin
CellData[OleVariant(Item),OleVariant(1)] := OleVariant(ItemToIndex[Item]);
end;
end
end;
with Tree1 do
begin
BeginUpdate();
DrawGridLines := EXTREELib_TLB.exAllLines;
ColumnAutoResize := True;
ShowFocusRect := False;
with (IUnknown(Columns.Add('Next')) as EXTREELib_TLB.Column) do
begin
Def[EXTREELib_TLB.exCellPaddingLeft] := OleVariant(4);
Def[EXTREELib_TLB.exHeaderPaddingLeft] := OleVariant(4);
end;
with (IUnknown(Columns.Add('Index')) as EXTREELib_TLB.Column) do
begin
AllowSizing := False;
Width := 48;
FormatColumn := '(((0 := (1 index ``)) mod 3) case ( default: ``; 0 : `<r><fgcolor=B0B0B0>`; 1: ``; 2 : `<c><fgcolor=808080>` )) + str(=:0)';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
SortType := EXTREELib_TLB.SortUserData;
Position := 0;
end;
with Items do
begin
AddItem('Item 1');
AddItem('Item 2');
AddItem('Item 3');
AddItem('Item 4');
AddItem('Item 5');
AddItem('Item 6');
AddItem('Item 7');
AddItem('Item 8');
AddItem('Item 9');
AddItem('Item 10');
end;
EndUpdate();
end
|
|
590
|
How can I put icons/images into buttons
with Tree1 do
begin
BeginUpdate();
ColumnAutoResize := True;
Images('gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTql' +
'Vq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m0' +
'ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/yN' +
'AOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=');
with (IUnknown(Columns.Add('C+B')) as EXTREELib_TLB.Column) do
begin
AllowSizing := False;
Width := 48;
FormatColumn := '` <img>` + ( 1 + (1 index ``) mod 3 ) + `</img> `';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
Def[EXTREELib_TLB.exCellHasCheckBox] := OleVariant(True);
Def[EXTREELib_TLB.exCellHasButton] := OleVariant(True);
Def[EXTREELib_TLB.exCellButtonAutoWidth] := OleVariant(True);
end;
Columns.Add('');
DrawGridLines := EXTREELib_TLB.exVLines;
DefaultItemHeight := 20;
with Items do
begin
AddItem('');
AddItem('');
AddItem('');
AddItem('');
AddItem('');
AddItem('');
AddItem('');
AddItem('');
end;
EndUpdate();
end
|
|
589
|
Is it possible to have a CheckBox and Button TOGETHER on all cells in a column
// CellButtonClick event - Fired after the user clicks on the cell of button type.
procedure TForm1.Tree1CellButtonClick(ASender: TObject; Item : HITEM;ColIndex : Integer);
begin
with Tree1 do
begin
OutputDebugString( 'CellButtonClick' );
OutputDebugString( Item );
end
end;
// CellStateChanged event - Fired after cell's state has been changed.
procedure TForm1.Tree1CellStateChanged(ASender: TObject; Item : HITEM;ColIndex : Integer);
begin
with Tree1 do
begin
OutputDebugString( 'CellStateChanged' );
OutputDebugString( Item );
end
end;
with Tree1 do
begin
BeginUpdate();
ColumnAutoResize := True;
with (IUnknown(Columns.Add('')) as EXTREELib_TLB.Column) do
begin
AllowSizing := False;
Width := 32;
FormatColumn := '1 index ``';
end;
with (IUnknown(Columns.Add('Def')) as EXTREELib_TLB.Column) do
begin
AllowSizing := False;
Width := 48;
FormatColumn := '` `';
Def[EXTREELib_TLB.exCellHasCheckBox] := OleVariant(True);
Def[EXTREELib_TLB.exCellHasButton] := OleVariant(True);
Def[EXTREELib_TLB.exCellButtonAutoWidth] := OleVariant(True);
end;
Columns.Add('');
with Items do
begin
AddItem('');
AddItem('');
AddItem('');
AddItem('');
AddItem('');
AddItem('');
AddItem('');
AddItem('');
end;
EndUpdate();
end
|
|
588
|
Does filtering work with umlauts / accents characters
with Tree1 do
begin
BeginUpdate();
with (IUnknown(Columns.Add('Names')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
FilterType := EXTREELib_TLB.exPattern;
end;
with Items do
begin
AddItem('Mantel');
AddItem('Mechanik');
AddItem('Motor');
AddItem('Murks');
AddItem('Märchen');
AddItem('Möhren');
AddItem('Mühle');
AddItem('Sérigraphie');
end;
Columns.Item[OleVariant(0)].Filter := '*ä*';
ApplyFilter();
EndUpdate();
end
|
|
587
|
The Items.FirstVisibleItem property is read-only. How can I change the first visible item
with Tree1 do
begin
BeginUpdate();
MarkSearchColumn := False;
ColumnAutoResize := False;
ContinueColumnScroll := False;
rs := (IUnknown(ComObj.CreateComObject(ComObj.ProgIDToClassID('ADOR.Recordset'))) as ADODB_TLB.Recordset);
with rs do
begin
Open('Orders','Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Program Files\Exontrol\ExTree\Sample\Access\sample.mdb',3,3,Null);
end;
DataSource := (IUnknown(rs) as ADODB_TLB.Recordset);
with (IUnknown(Columns.Add('Pos')) as EXTREELib_TLB.Column) do
begin
Position := 0;
FormatColumn := '0 index ``';
Width := 32;
Def[EXTREELib_TLB.exCellBackColor] := OleVariant(15790320);
end;
ScrollPos[True] := 13;
EndUpdate();
end
|
|
586
|
How FullPath method works
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
Columns.Add('C1');
Columns.Add('C2');
with Items do
begin
h := AddItem('Root');
CellCaption[OleVariant(h),OleVariant(1)] := 'A';
CellCaption[OleVariant(InsertItem(h,Null,'Child 1')),OleVariant(1)] := 'B';
CellCaption[OleVariant(InsertItem(h,Null,'Child 2')),OleVariant(1)] := 'C';
ExpandItem[h] := True;
end;
SearchColumnIndex := 1;
OutputDebugString( SearchColumnIndex );
OutputDebugString( Items.FullPath[.ItemByIndex[2]] );
SearchColumnIndex := 0;
OutputDebugString( SearchColumnIndex );
OutputDebugString( Items.FullPath[.ItemByIndex[2]] );
EndUpdate();
end
|
|
585
|
How can I filter for multiple captions on a single column, using OR clause
with Tree1 do
begin
BeginUpdate();
ColumnAutoResize := True;
ContinueColumnScroll := False;
MarkSearchColumn := True;
SearchColumnIndex := 1;
FilterBarPromptVisible := True;
with Columns do
begin
(IUnknown(Add('Name')) as EXTREELib_TLB.Column).Width := 96;
with (IUnknown(Add('Title')) as EXTREELib_TLB.Column) do
begin
Width := 96;
end;
Add('City');
end;
with Items do
begin
h0 := AddItem('Nancy Davolio');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Seattle';
h0 := AddItem('Andrew Fuller');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Vice President, Sales';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Tacoma';
SelectItem[h0] := True;
h0 := AddItem('Janet Leverling');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Kirkland';
h0 := AddItem('Margaret Peacock');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Redmond';
h0 := AddItem('Steven Buchanan');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Manager';
CellCaption[OleVariant(h0),OleVariant(2)] := 'London';
h0 := AddItem('Michael Suyama');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'London';
h0 := AddItem('Robert King');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'London';
h0 := AddItem('Laura Callahan');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Inside Sales Coordinator';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Seattle';
h0 := AddItem('Anne Dodsworth');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'London';
end;
FilterBarPromptColumns := '1';
FilterBarPromptPattern := 'Vice Inside';
FilterBarPromptType := EXTREELib_TLB.exFilterPromptContainsAny;
EndUpdate();
end
|
|
584
|
How can I filter for multiple captions on a single column, using AND clause
with Tree1 do
begin
BeginUpdate();
ColumnAutoResize := True;
ContinueColumnScroll := False;
MarkSearchColumn := True;
SearchColumnIndex := 1;
FilterBarPromptVisible := True;
with Columns do
begin
(IUnknown(Add('Name')) as EXTREELib_TLB.Column).Width := 96;
with (IUnknown(Add('Title')) as EXTREELib_TLB.Column) do
begin
Width := 96;
end;
Add('City');
end;
with Items do
begin
h0 := AddItem('Nancy Davolio');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Seattle';
h0 := AddItem('Andrew Fuller');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Vice President, Sales';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Tacoma';
SelectItem[h0] := True;
h0 := AddItem('Janet Leverling');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Kirkland';
h0 := AddItem('Margaret Peacock');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Redmond';
h0 := AddItem('Steven Buchanan');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Manager';
CellCaption[OleVariant(h0),OleVariant(2)] := 'London';
h0 := AddItem('Michael Suyama');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'London';
h0 := AddItem('Robert King');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'London';
h0 := AddItem('Laura Callahan');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Inside Sales Coordinator';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Seattle';
h0 := AddItem('Anne Dodsworth');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'London';
end;
FilterBarPromptColumns := '1';
FilterBarPromptPattern := 'Vice Sales';
FilterBarPromptType := EXTREELib_TLB.exFilterPromptContainsAll;
EndUpdate();
end
|
|
583
|
Can I set the search box / filterbarprompt to invisible, so I can use my own input and *string* via VBA
with Tree1 do
begin
BeginUpdate();
ColumnAutoResize := True;
ContinueColumnScroll := False;
MarkSearchColumn := False;
SearchColumnIndex := 1;
FilterBarHeight := 0;
FilterBarPromptVisible := True;
with Columns do
begin
(IUnknown(Add('Name')) as EXTREELib_TLB.Column).Width := 96;
(IUnknown(Add('Title')) as EXTREELib_TLB.Column).Width := 96;
Add('City');
end;
with Items do
begin
h0 := AddItem('Nancy Davolio');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Seattle';
h0 := AddItem('Andrew Fuller');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Vice President, Sales';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Tacoma';
SelectItem[h0] := True;
h0 := AddItem('Janet Leverling');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Kirkland';
h0 := AddItem('Margaret Peacock');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Redmond';
h0 := AddItem('Steven Buchanan');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Manager';
CellCaption[OleVariant(h0),OleVariant(2)] := 'London';
h0 := AddItem('Michael Suyama');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'London';
h0 := AddItem('Robert King');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'London';
h0 := AddItem('Laura Callahan');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Inside Sales Coordinator';
CellCaption[OleVariant(h0),OleVariant(2)] := 'Seattle';
h0 := AddItem('Anne Dodsworth');
CellCaption[OleVariant(h0),OleVariant(1)] := 'Sales Representative';
CellCaption[OleVariant(h0),OleVariant(2)] := 'London';
end;
FilterBarPromptPattern := 'London';
EndUpdate();
end
|
|
582
|
How to load a hierarchy using the control's DataSource property (Parent-ID-Relation)
// AddItem event - Occurs after a new Item has been inserted to Items collection.
procedure TForm1.Tree1AddItem(ASender: TObject; Item : HITEM);
begin
with Tree1 do
begin
with Items do
begin
SetParent(Item,FindItem[CellCaption[OleVariant(Item),'ReportsTo'],'EmployeeID',Null]);
end;
end
end;
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
ColumnAutoResize := False;
ContinueColumnScroll := False;
rs := (IUnknown(ComObj.CreateComObject(ComObj.ProgIDToClassID('ADOR.Recordset'))) as ADODB_TLB.Recordset);
with rs do
begin
Open('SELECT * FROM Employees ORDER BY ReportsTo','Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Program Files\Exontrol\ExTree\Sample\Access\sample.mdb',3,3,Null);
end;
DataSource := (IUnknown(rs) as ADODB_TLB.Recordset);
Items.ExpandItem[0] := True;
EndUpdate();
end
|
|
581
|
Is there any option to control where I can drop the items when using the AutoDrag property
// AllowAutoDrag event - Occurs when the user drags the item between InsertA and InsertB as child of NewParent.
procedure TForm1.Tree1AllowAutoDrag(ASender: TObject; Item : HITEM;NewParent : HITEM;InsertA : HITEM;InsertB : HITEM;var Cancel : WordBool);
begin
with Tree1 do
begin
with Items do
begin
OutputDebugString( 'NewParent' );
OutputDebugString( CellCaption[OleVariant(NewParent),OleVariant(0)] );
OutputDebugString( 'After' );
OutputDebugString( CellCaption[OleVariant(InsertA),OleVariant(0)] );
OutputDebugString( 'Before' );
OutputDebugString( CellCaption[OleVariant(InsertB),OleVariant(0)] );
end;
Cancel := True;
end
end;
with Tree1 do
begin
BeginUpdate();
AutoDrag := EXTREELib_TLB.exAutoDragPositionAny;
LinesAtRoot := EXTREELib_TLB.exNoLinesAtRoot;
HasLines := EXTREELib_TLB.exThinLine;
ShowFocusRect := False;
Columns.Add('Task');
with Items do
begin
h := AddItem('Group 1');
ItemDivider[h] := 0;
ItemBold[h] := True;
h1 := InsertItem(h,Null,'Task 1');
h2 := InsertItem(h,Null,'Task 2');
h3 := InsertItem(h,Null,'Task 3');
ExpandItem[h] := True;
h := AddItem('Group 2');
ItemBold[h] := True;
ItemDivider[h] := 0;
end;
EndUpdate();
end
|
|
580
|
The FindPath is not case sensitive. How can I make it work case sensitive
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
Columns.Add('Default');
ASCIIUpper := '';
with Items do
begin
h := AddItem('L:');
InsertItem(h,Null,'test');
InsertItem(h,Null,'Test');
InsertItem(h,Null,'TEST');
ExpandItem[h] := True;
ItemBold[FindPath['L:\TEST']] := True;
end;
EndUpdate();
end
|
|
579
|
How do I enable / display a tooltip while user selects new items from the drop down filter panel
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
with (IUnknown(Columns.Add('Items')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
DisplayFilterPattern := False;
FilterList := Integer(EXTREELib_TLB.exShowExclude) Or Integer(EXTREELib_TLB.exEnableToolTip) Or Integer(EXTREELib_TLB.exShowFocusItem) Or Integer(EXTREELib_TLB.exShowCheckBox);
end;
with Items do
begin
AddItem('Item 1');
AddItem('Item 2');
AddItem('Item 3');
AddItem('Item 4');
end;
with Columns.Item[OleVariant(0)] do
begin
FilterType := Integer(EXTREELib_TLB.exFilterExclude) Or Integer(EXTREELib_TLB.exFilter);
Filter := 'Item 1|Item 4';
end;
ApplyFilter();
EndUpdate();
end
|
|
578
|
How can I align captions of items with checkbox, with items with no checkbox
with Tree1 do
begin
BeginUpdate();
Columns.Add('Default');
with Items do
begin
CellImages[OleVariant(AddItem(OleVariant(0))),OleVariant(0)] := '1';
CellHasCheckBox[OleVariant(AddItem(OleVariant(1))),OleVariant(0)] := True;
CellImages[OleVariant(AddItem(OleVariant(2))),OleVariant(0)] := '1';
end;
EndUpdate();
end
|
|
577
|
The control does not ensure the item to fit the control's client area once the user clicks the cell's button or check box. What can be done
// MouseDown event - Occurs when the user presses a mouse button.
procedure TForm1.Tree1MouseDown(ASender: TObject; Button : Smallint;Shift : Smallint;X : Integer;Y : Integer);
begin
// Items.EnsureVisibleItem(ItemFromPoint(-1,-1,c,hit))
end;
with Tree1 do
begin
BeginUpdate();
TreeColumnIndex := -1;
SelForeColor := ForeColor;
with (IUnknown(Columns.Add('Buttons')) as EXTREELib_TLB.Column) do
begin
Alignment := EXTREELib_TLB.CenterAlignment;
Def[EXTREELib_TLB.exCellHasButton] := OleVariant(True);
end;
with Items do
begin
AddItem('Button A');
AddItem('Button B');
AddItem('Button C');
end;
EndUpdate();
end
|
|
576
|
Does the title of the cell's tooltip supports HTML format
with Tree1 do
begin
BeginUpdate();
with (IUnknown(Columns.Add('')) as EXTREELib_TLB.Column) do
begin
Caption := '';
HTMLCaption := 'Column';
end;
with Items do
begin
CellToolTip[OleVariant(AddItem('tooltip w/h different title')),OleVariant(0)] := '<c><b><fgcolor=FF0000>Title</fgcolor></b><br>This is bit of text that''s shown when the user hovers the cell. This shows the titl' +
'e centered with a different color.';
end;
EndUpdate();
end
|
|
575
|
How do I specify a different title for the cell's tooltip
with Tree1 do
begin
BeginUpdate();
with (IUnknown(Columns.Add('')) as EXTREELib_TLB.Column) do
begin
Caption := 'This is the title';
HTMLCaption := 'Column';
end;
with Items do
begin
CellToolTip[OleVariant(AddItem('tooltip w/h different title')),OleVariant(0)] := 'This is bit of text that''s shown when the user hovers the cell.';
end;
EndUpdate();
end
|
|
574
|
The cell's tooltip displays the column's caption in its title. How can I get ride of that
with Tree1 do
begin
BeginUpdate();
with Columns do
begin
Add('C1');
Add('C2');
end;
with Items do
begin
h := AddItem('tooltip w/h caption');
CellToolTip[OleVariant(h),OleVariant(0)] := 'This is bit of text that''s shown when the user hovers the cell. This shows the column''s caption in the title.';
CellCaption[OleVariant(h),OleVariant(1)] := 'tooltip no caption';
CellToolTip[OleVariant(h),OleVariant(1)] := 'This is bit of text that''s shown when the user hovers the cell. This shows no column''s caption in the title.';
end;
with Columns.Item['C2'] do
begin
HTMLCaption := Caption;
Caption := '';
end;
EndUpdate();
end
|
|
573
|
How can I programmatically show the column's filter
// RClick event - Fired when right mouse button is clicked
procedure TForm1.Tree1RClick(ASender: TObject; );
begin
with Tree1 do
begin
i := ItemFromPoint[-1,-1,c,hit];
Columns.Item[OleVariant(c)].ShowFilter('-1,-1,128,128');
end
end;
with Tree1 do
begin
BeginUpdate();
ShowFocusRect := False;
with (IUnknown(Columns.Add('Items ')) as EXTREELib_TLB.Column) do
begin
DisplayFilterPattern := False;
FilterList := Integer(EXTREELib_TLB.exShowExclude) Or Integer(EXTREELib_TLB.exShowFocusItem) Or Integer(EXTREELib_TLB.exShowCheckBox);
end;
with Items do
begin
AddItem('Item 1');
AddItem('Item 2');
AddItem('Item 3');
end;
EndUpdate();
end
|
|
572
|
I want to be able to click on one of the headers, and sort by other column. How can I do that (method 2)
// ColumnClick event - Fired after the user clicks on column's header.
procedure TForm1.Tree1ColumnClick(ASender: TObject; Column : IColumn);
begin
// Column.SortOrder = 1
with Tree1 do
begin
SortOnClick := EXTREELib_TLB.exDefaultSort;
Columns.Item['Sort'].SortOrder := EXTREELib_TLB.SortAscending;
SortOnClick := EXTREELib_TLB.exUserSort;
end
end;
with Tree1 do
begin
BeginUpdate();
MarkSearchColumn := False;
SortOnClick := EXTREELib_TLB.exUserSort;
Columns.Add('Items');
(IUnknown(Columns.Add('Sort')) as EXTREELib_TLB.Column).Visible := False;
with Items do
begin
CellCaption[OleVariant(AddItem('Item 1 (3)')),OleVariant(1)] := OleVariant(3);
CellCaption[OleVariant(AddItem('Item 2 (1)')),OleVariant(1)] := OleVariant(1);
CellCaption[OleVariant(AddItem('Item 3 (2)')),OleVariant(1)] := OleVariant(2);
end;
EndUpdate();
end
|
|
571
|
I want to be able to click on one of the headers, and sort by other column. How can I do that (method 1)
// ColumnClick event - Fired after the user clicks on column's header.
procedure TForm1.Tree1ColumnClick(ASender: TObject; Column : IColumn);
begin
// Column.SortOrder = 1
with Tree1 do
begin
Items.SortChildren(0,'Sort',True);
end
end;
with Tree1 do
begin
BeginUpdate();
MarkSearchColumn := False;
SortOnClick := EXTREELib_TLB.exUserSort;
Columns.Add('Items');
(IUnknown(Columns.Add('Sort')) as EXTREELib_TLB.Column).Visible := False;
with Items do
begin
CellCaption[OleVariant(AddItem('Item 1 (3)')),OleVariant(1)] := OleVariant(3);
CellCaption[OleVariant(AddItem('Item 2 (1)')),OleVariant(1)] := OleVariant(1);
CellCaption[OleVariant(AddItem('Item 3 (2)')),OleVariant(1)] := OleVariant(2);
end;
EndUpdate();
end
|
|
570
|
I have a 3 level hierarchy in the treeview, and I want to create a filter that only shows the items in the 2nd level of the hierarchy, is this possible
with Tree1 do
begin
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
MarkSearchColumn := False;
Columns.Add('Items');
(IUnknown(Columns.Add('Level')) as EXTREELib_TLB.Column).Visible := False;
with Items do
begin
h := AddItem('Parent');
CellCaption[OleVariant(h),OleVariant(1)] := OleVariant(0);
hChild := InsertItem(h,Null,'Child 1.1');
CellCaption[OleVariant(hChild),OleVariant(1)] := OleVariant(1);
hSubChild := InsertItem(hChild,Null,'SubChild A');
CellCaption[OleVariant(hSubChild),OleVariant(1)] := OleVariant(2);
hChild := InsertItem(h,Null,'Child 1.2');
CellCaption[OleVariant(hChild),OleVariant(1)] := OleVariant(1);
hSubChild := InsertItem(hChild,Null,'SubChild B');
CellCaption[OleVariant(hSubChild),OleVariant(1)] := OleVariant(2);
ExpandItem[h] := True;
end;
FilterInclude := EXTREELib_TLB.exMatchingItemsOnly;
with Columns.Item['Level'] do
begin
FilterType := EXTREELib_TLB.exFilter;
Filter := 2;
end;
ApplyFilter();
end
|
|
569
|
How can I sort by two-columns, one by date and one by time
with Tree1 do
begin
BeginUpdate();
SingleSort := False;
with Columns do
begin
(IUnknown(Add('Index')) as EXTREELib_TLB.Column).FormatColumn := '1 index ``';
(IUnknown(Add('Date')) as EXTREELib_TLB.Column).SortType := EXTREELib_TLB.SortDate;
with (IUnknown(Add('Time')) as EXTREELib_TLB.Column) do
begin
SortType := EXTREELib_TLB.SortTime;
FormatColumn := 'time(value)';
end;
end;
with Items do
begin
h := AddItem(OleVariant(0));
CellCaption[OleVariant(h),OleVariant(1)] := '1/1/2001';
CellCaption[OleVariant(h),OleVariant(2)] := '1/1/2001 10:00:00 AM';
h := AddItem(OleVariant(0));
CellCaption[OleVariant(h),OleVariant(1)] := '12/31/2000';
CellCaption[OleVariant(h),OleVariant(2)] := '1/1/2001 10:00:00 AM';
h := AddItem(OleVariant(0));
CellCaption[OleVariant(h),OleVariant(1)] := '1/1/2001';
CellCaption[OleVariant(h),OleVariant(2)] := '1/1/2001 6:00:00 AM';
h := AddItem(OleVariant(0));
CellCaption[OleVariant(h),OleVariant(1)] := '12/31/2000';
CellCaption[OleVariant(h),OleVariant(2)] := '1/1/2001 8:00:00 AM';
h := AddItem(OleVariant(0));
CellCaption[OleVariant(h),OleVariant(1)] := '1/1/2001';
CellCaption[OleVariant(h),OleVariant(2)] := '1/1/2001 8:00:00 AM';
h := AddItem(OleVariant(0));
CellCaption[OleVariant(h),OleVariant(1)] := '12/31/2000';
CellCaption[OleVariant(h),OleVariant(2)] := '1/1/2001 6:00:00 AM';
end;
Layout := 'multiplesort="C1:1 C2:1"';
EndUpdate();
end
|
|
568
|
We are using custom buttons for the +/- on the treeview control, is there a way to control the size of the image
with Tree1 do
begin
BeginUpdate();
with VisualAppearance do
begin
Add(3,'gBFLBCJwBAEHhEJAAChABDEMACAADACAxRDQNABQKAAzQFAYbBkGqGAAGIYxYgmFgAQhFcZQSKUOQTDKMIziaQIRg8JYlDTJcIjKKEVQHFiXIrAKKwEgmEQMQiCcbzXI' +
'UBxAAqVZZFUaKAi+Qg4TLBAzUSAAYhtHqeJBjID4JA6UJXRpIAIQSSBUjGOg6TiMUYZAguAxCEzZUT0fAYUQSCC3ZzDCKoRpiCT7Xg8V5OVbjUz9P7AMBwLA7erxap6P' +
'JeD54QymGp/R5eMhyLI8UxXFqRY6veKtJhGDIrT5CEIQVA9EyXJqnahqOiaCguPorQy/dYYdg2BYBPS6MAvG4bVrOd59XrgN42fY2ByzAqlMQwS7rOqiY6YWTnehWToH' +
'E+JZUmoLB5CufQuAkBYkGO+ZrDWAo7keZZyHmH5+i8X4bluaJyHgGB9mQHx3JjBpViqJRHmueZ7H8Xo3i2fYAl+d5tncMRfDcdZeDMDIjCCJwokoEoQiEJ4KCIfIdgUS' +
'ZIAWaoGCEUh2BIJ4gnKBgMDICAnHoCggg0Aw4k0KAJkIagaguYwIj4LAmiKEw2CUIIiHMUJSDQSYyGCFYMGQCJCD0JRjiMRg3gmTYjGSVgmgkchSD4JJklIRIXCSSQYj' +
'4U4UgkQhGE+EwJEkJJWhGpgGGIOBNmMdhPg8SRiHCGAlibNhohqJpJi4T4ZA2WYIgEYInGOGJlDkCQyECDoTEkKQ+E+C5oCIVhQCUCQpnSDoeg4SZZH8YdhjibQ7AiUg' +
'kgcJFyiyEYmGmOhqhyJ5pmILoYCKaRSB6Eg7CcZgZggaRqHqNoTiuDpKkKMormsQ4xiUYgYiKEo6CCWgWiqPovloZoGjoKQYiQBCAg==');
Add(4,'gBFLBCJwBAEHhEJAAChABDcMACAADACAxRDQNABQKAAzQFAYbBkGqGAAGIYxYgmFgAQhFcZQSKUOQTDKMIziaQIRg8JYlDTJcIjKKEVQHFiXIrAKKwEgmEQMQiCcbzXI' +
'UBxAAqVZZFUaKAi+Qg4TLBAzUSAAYhtHqeJBjID4JA6UJXRpIAIQSSBUjGOg6TiMUYZAguAxCEzZUT0fAYUQSCC3ZzDCKoRpiCT7Xg8V5OVbjUz9P7AMBwLA7erxap6P' +
'JeD54QymGp/R5eMhyLI8UxXFqRY6veKtJhGDIrT5CEIQVA9EyXJqnahqOiaCguPorQy/dYYdg2BYBPS6MAvG4bVrOd59XrgN42fY2ByzAqlMQwS7rOqiY6YWTnehWToH' +
'E+JZUmoLB5CufQuAkBYkGO+ZrDWAo7keZZyHmPQ+g8X4fluYBhneEB9l0Iwpg6RRWiqFQfg+V5nnefh/GAB5yAIfRMFeRZdHeDJDCiSApkoMoEiQKBJmKCIfCcYQiHIF' +
'YFkmeBaBOA5JmgMIhgITICAmXoBkgIxAk4MxKAIcIaD+YpIjYLoLmMCI2CkJoiGMNgiCCIhDFCUg0EmMhghWDBkAkBg9CUY4jEYN4JA2IxklYJoJHIUg+CSZJSESFwkm' +
'UKRSFOFRlCIUIRhOZJCFISQ1iQdgEgGGJOBMeJdhOY5SFiHAmAkaYmG6GwmhmLhthsJJ5hSXYYkgFgKHgOYOFOEITCQCJpDSEoTmgQhUhOIRoHoGoCh+SJpnCZIeBedg' +
'aHgO4OlOMINCISByECDQikkGhuh2JwpmqBogCKaYiC6FwhmkQ4yHgYYYgaFopiuaRakCbIsisSpGjYOwaFYIYKCkK5CA2IRqiwCwFiYaBrkKEYKEAQCAgA==');
Add(1,'CP:3 -4 -4 4 4');
Add(2,'CP:4 -4 -4 4 4');
end;
DefaultItemHeight := 22;
LinesAtRoot := EXTREELib_TLB.exGroupLinesAtRoot;
HasButtons := EXTREELib_TLB.exCustom;
HasButtonsCustom[False] := 16777216;
HasButtonsCustom[True] := 33554432;
Columns.Add('Column');
with Items do
begin
h := AddItem('Root 1');
InsertItem(h,Null,'Child 1');
InsertItem(h,Null,'Child 2');
ExpandItem[h] := True;
h := AddItem('Root 2');
InsertItem(h,Null,'Child');
end;
EndUpdate();
end
|
|
567
|
How can I connect to a DBF file
with Tree1 do
begin
BeginUpdate();
ColumnAutoResize := False;
ContinueColumnScroll := False;
MarkSearchColumn := False;
rs := (IUnknown(ComObj.CreateComObject(ComObj.ProgIDToClassID('ADODB.Recordset'))) as ADODB_TLB.Recordset);
with rs do
begin
Open('Select * From foxcode.DBF','Provider=vfpoledb;Data Source=C:\Program Files\Microsoft Visual FoxPro 9\',3,3,Null);
end;
DataSource := (IUnknown(rs) as ADODB_TLB.Recordset);
EndUpdate();
end
|
|
566
|
Do you have any Fit-To-Page options when printing the control
with Tree1 do
begin
BeginUpdate();
ColumnAutoResize := False;
rs := (IUnknown(ComObj.CreateComObject(ComObj.ProgIDToClassID('ADOR.Recordset'))) as ADODB_TLB.Recordset);
with rs do
begin
Open('Orders','Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Program Files\Exontrol\ExTree\Sample\Access\sample.mdb',3,3,Null);
end;
DataSource := (IUnknown(rs) as ADODB_TLB.Recordset);
EndUpdate();
with (IUnknown(ComObj.CreateComObject(ComObj.ProgIDToClassID('Exontrol.Print'))) as EXPRINTLib_TLB.Print) do
begin
Options := 'FitToPage = On';
PrintExt := (IUnknown(Tree1.DefaultInterface) as EXTREELib_TLB.Tree);
Preview();
end;
end
|
|
565
|
Does your control supports scrolling by touching the screen
with Tree1 do
begin
BeginUpdate();
ColumnAutoResize := False;
rs := (IUnknown(ComObj.CreateComObject(ComObj.ProgIDToClassID('ADOR.Recordset'))) as ADODB_TLB.Recordset);
with rs do
begin
Open('Orders','Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Program Files\Exontrol\ExTree\Sample\Access\sample.mdb',3,3,Null);
end;
DataSource := (IUnknown(rs) as ADODB_TLB.Recordset);
AutoDrag := Integer(EXTREELib_TLB.exAutoDragScrollOnShortTouch) Or Integer(EXTREELib_TLB.exAutoDragScroll);
ScrollBySingleLine := True;
ContinueColumnScroll := True;
EndUpdate();
end
|
|
564
|
How do I prevent showing the control's BackColorAlternate property on empty / non-items part of the control
with Tree1 do
begin
BackColorAlternate := $7ff0f0f0;
Columns.Add('Column');
with Items do
begin
AddItem('Item 1');
AddItem('Item 2');
AddItem('Item 3');
AddItem('Item 4');
AddItem('Item 5');
end;
end
|
|
563
|
Is there a syntax for conditional formatting of items, based on CellState/CellStateChange
// CellStateChanged event - Fired after cell's state has been changed.
procedure TForm1.Tree1CellStateChanged(ASender: TObject; Item : HITEM;ColIndex : Integer);
begin
with Tree1 do
begin
with Items do
begin
CellCaption[OleVariant(Item),OleVariant(2)] := OleVariant(CellState[OleVariant(Item),OleVariant(0)]);
end;
end
end;
with Tree1 do
begin
BeginUpdate();
ShowFocusRect := False;
MarkSearchColumn := False;
SelBackMode := EXTREELib_TLB.exTransparent;
var_ConditionalFormat := ConditionalFormats.Add('%2 != 0',Null);
with var_ConditionalFormat do
begin
Bold := True;
ForeColor := $ff;
ApplyTo := EXTREELib_TLB.exFormatToItems;
end;
with (IUnknown(Columns.Add('')) as EXTREELib_TLB.Column) do
begin
Def[EXTREELib_TLB.exCellHasCheckBox] := OleVariant(True);
Width := 16;
AllowSizing := False;
end;
Columns.Add('Information');
(IUnknown(Columns.Add('Hidden')) as EXTREELib_TLB.Column).Visible := False;
with Items do
begin
CellCaption[OleVariant(AddItem('')),OleVariant(1)] := 'This is a bit of text associated';
h := AddItem('');
CellCaption[OleVariant(h),OleVariant(1)] := 'This is a bit of text associated';
CellState[OleVariant(h),OleVariant(0)] := 1;
CellCaption[OleVariant(AddItem('')),OleVariant(1)] := 'This is a bit of text associated';
end;
EndUpdate();
end
|
|
562
|
How can I start editing the cell as soon as the user clicks a cell
// AfterCellEdit event - Occurs after data in the current cell is edited.
procedure TForm1.Tree1AfterCellEdit(ASender: TObject; Item : HITEM;ColIndex : Integer;NewCaption : WideString);
begin
with Tree1 do
begin
Items.CellCaption[OleVariant(Item),OleVariant(ColIndex)] := OleVariant(NewCaption);
end
end;
// CancelCellEdit event - Occurs if the edit operation is canceled.
procedure TForm1.Tree1CancelCellEdit(ASender: TObject; Item : HITEM;ColIndex : Integer;Reserved : OleVariant);
begin
with Tree1 do
begin
Items.CellCaption[OleVariant(Item),OleVariant(ColIndex)] := OleVariant(Reserved);
end
end;
// Click event - Occurs when the user presses and then releases the left mouse button over the tree control.
procedure TForm1.Tree1Click(ASender: TObject; );
begin
with Tree1 do
begin
with Items do
begin
Edit(OleVariant(FocusItem),OleVariant(0));
end;
end
end;
with Tree1 do
begin
AllowEdit := True;
Columns.Add('Column');
Items.AddItem('Item 1');
Items.AddItem('Item 2');
Items.AddItem('');
end
|
|
561
|
How do I programmatically exclude items from the filter
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
with (IUnknown(Columns.Add('Items')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
DisplayFilterPattern := False;
FilterList := Integer(EXTREELib_TLB.exShowExclude) Or Integer(EXTREELib_TLB.exShowFocusItem) Or Integer(EXTREELib_TLB.exShowCheckBox);
end;
with Items do
begin
AddItem('Item 1');
AddItem('Item 2');
AddItem('Item 3');
AddItem('Item 4');
end;
with Columns.Item[OleVariant(0)] do
begin
FilterType := Integer(EXTREELib_TLB.exFilterExclude) Or Integer(EXTREELib_TLB.exFilter);
Filter := 'Item 1|Item 4';
end;
ApplyFilter();
EndUpdate();
end
|
|
560
|
How can I sort the columns to be displayed on the columns floating bar
with Tree1 do
begin
ColumnAutoResize := False;
with Columns do
begin
(IUnknown(Add('City')) as EXTREELib_TLB.Column).Visible := False;
(IUnknown(Add('Start')) as EXTREELib_TLB.Column).Visible := False;
(IUnknown(Add('End')) as EXTREELib_TLB.Column).Visible := False;
end;
ColumnsFloatBarVisible := EXTREELib_TLB.exColumnsFloatBarVisibleIncludeHiddenColumns;
ColumnsFloatBarSortOrder := EXTREELib_TLB.SortAscending;
end
|
|
559
|
How can I add a vertical padding
with Tree1 do
begin
BeginUpdate();
DrawGridLines := EXTREELib_TLB.exAllLines;
with (IUnknown(Columns.Add('Padding')) as EXTREELib_TLB.Column) do
begin
Def[EXTREELib_TLB.exCellHasCheckBox] := OleVariant(True);
Def[EXTREELib_TLB.exCellSingleLine] := OleVariant(False);
Def[EXTREELib_TLB.exCellPaddingLeft] := OleVariant(6);
Def[EXTREELib_TLB.exCellPaddingRight] := OleVariant(6);
Def[EXTREELib_TLB.exCellPaddingTop] := OleVariant(6);
Def[EXTREELib_TLB.exCellPaddingBottom] := OleVariant(6);
end;
with Items do
begin
AddItem('padding');
AddItem('padding');
end;
EndUpdate();
end
|
|
558
|
Is the PutItems method running .AddItem event
// AddItem event - Occurs after a new Item has been inserted to Items collection.
procedure TForm1.Tree1AddItem(ASender: TObject; Item : HITEM);
begin
with Tree1 do
begin
OutputDebugString( 'Adding ...' );
OutputDebugString( Items.CellCaption[OleVariant(Item),OleVariant(0)] );
end
end;
with Tree1 do
begin
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
Columns.Add('Def');
with Items do
begin
h := AddItem('Root');
InsertItem(h,Null,'Child 1');
InsertItem(h,Null,'Child 2');
end;
OutputDebugString( 'Call PutItems' );
PutItems(GetItems(OleVariant(-1)),Null);
end
|
|
557
|
How do you embed HTML options into the anchor click string
// AnchorClick event - Occurs when an anchor element is clicked.
procedure TForm1.Tree1AnchorClick(ASender: TObject; AnchorID : WideString;Options : WideString);
begin
with Tree1 do
begin
OutputDebugString( AnchorID );
OutputDebugString( Options );
end
end;
with Tree1 do
begin
BeginUpdate();
with Columns do
begin
(IUnknown(Add('Car')) as EXTREELib_TLB.Column).Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
end;
with Items do
begin
AddItem('<a mazda_1;options for 1>Mazda <b>1</b></a>');
AddItem('<a mazda_2;options for 2>Mazda <b>2</b></a>');
AddItem('<a mazda_3;options for 3a>Mazda <b>3.a</b></a>');
AddItem('<a mazda_3;options for 3b>Mazda <b>3.b</b></a>');
end;
EndUpdate();
end
|
|
556
|
I have the rows with different background color, and when I select the item it takes the color of the SelBackColor, and therefore is no longer visible behind the color. Is there any option to make the item's color being visible (method 3)
with Tree1 do
begin
BeginUpdate();
VisualAppearance.Add(1,'gBFLBCJwBAEHhEJAEGg4BVEIQAAYAQGKIYBkAKBQAGaAoDDMOQwQwAAxjGKEEwsACEIrjKCRShyCYZRhGcTSBCIZBqEqSZLiEZRQCWIAzATGYBRfIUEgjBM6ExwG78eg' +
'BHp/ZpkACIJJAaRjHQdJxGKKMQB9DIhCZpeKhWgkKIJBzOEyBRC4ERBGqNGrsIgLEqWZpnWhaNpWXYTLyBN64LhuK46g53O6wLxvK6hEr2dJ/YBcIAOfghf4NQ7EMRxL' +
'C8Mw3BDvYDkOAABAIgI=');
SelBackColor := $1fffffe;
ShowFocusRect := False;
Columns.Add('Items');
with Items do
begin
ItemBackColor[AddItem('red')] := $ff;
ItemBackColor[AddItem('blue')] := $ff0000;
ItemBackColor[AddItem('green')] := $ff00;
end;
EndUpdate();
end
|
|
555
|
I have the rows with different background color, and when I select the item it takes the color of the SelBackColor, and therefore is no longer visible behind the color. Is there any option to make the item's color being visible (method 2)
with Tree1 do
begin
BeginUpdate();
SelBackMode := EXTREELib_TLB.exTransparent;
ShowFocusRect := False;
Columns.Add('Items');
with Items do
begin
ItemBackColor[AddItem('red')] := $ff;
ItemBackColor[AddItem('blue')] := $ff0000;
ItemBackColor[AddItem('green')] := $ff00;
end;
EndUpdate();
end
|
|
554
|
I have the rows with different background color, and when I select the item it takes the color of the SelBackColor, and therefore is no longer visible behind the color. Is there any option to make the item's color being visible (method 1)
with Tree1 do
begin
BeginUpdate();
SelBackColor := BackColor;
SelForeColor := ForeColor;
ShowFocusRect := True;
Columns.Add('Items');
with Items do
begin
ItemBackColor[AddItem('red')] := $ff;
ItemBackColor[AddItem('blue')] := $ff0000;
ItemBackColor[AddItem('green')] := $ff00;
end;
EndUpdate();
end
|
|
553
|
How do I arrange my columns on multiple levels
with Tree1 do
begin
BeginUpdate();
ColumnAutoResize := False;
DrawGridLines := EXTREELib_TLB.exAllLines;
with Columns do
begin
with (IUnknown(Add('C0')) as EXTREELib_TLB.Column) do
begin
ExpandColumns := '1,2';
DisplayExpandButton := False;
end;
Add('C1');
Add('C2');
Add('C3');
with (IUnknown(Add('C4')) as EXTREELib_TLB.Column) do
begin
ExpandColumns := '5,6';
DisplayExpandButton := False;
end;
Add('C5');
with (IUnknown(Add('C6')) as EXTREELib_TLB.Column) do
begin
ExpandColumns := '6,7';
DisplayExpandButton := False;
end;
Add('C7');
end;
EndUpdate();
end
|
|
552
|
Does your control support expandable header or columns, so I can arrange it on multiple levels
with Tree1 do
begin
BeginUpdate();
DrawGridLines := EXTREELib_TLB.exAllLines;
BackColorLevelHeader := RGB(240,240,240);
with Columns do
begin
with (IUnknown(Add('Photo')) as EXTREELib_TLB.Column) do
begin
AllowSizing := False;
Width := 32;
end;
Add('Personal Info');
Add('Title');
Add('Name');
Add('First');
Add('Last');
Add('Address');
Item['Personal Info'].ExpandColumns := '2,3';
with Item['Name'] do
begin
ExpandColumns := '4,5';
Expanded := False;
end;
end;
EndUpdate();
end
|
|
551
|
Does your control support subscript or superscript, in HTML captions
with Tree1 do
begin
ColumnAutoResize := False;
HeaderHeight := 28;
DefaultItemHeight := 24;
with Columns do
begin
with (IUnknown(Add('Column 1')) as EXTREELib_TLB.Column) do
begin
HTMLCaption := 'Column <b><off 2><font ;6>1';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
end;
with (IUnknown(Add('Column 2')) as EXTREELib_TLB.Column) do
begin
HTMLCaption := 'Column <b><off 2><font ;6>2';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
end;
with (IUnknown(Add('Column 3')) as EXTREELib_TLB.Column) do
begin
HTMLCaption := 'Column <b><off 2><font ;6>3';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
end;
end;
with Items do
begin
h := AddItem('Item <font ;6><off 4>1');
CellCaption[OleVariant(h),OleVariant(1)] := 'Item <font ;6><off -6>2';
CellCaption[OleVariant(h),OleVariant(2)] := 'Item <b><font ;6><off -6>2<off 4>3<off 4>1';
end;
end
|
|
550
|
Is there any property I can save and restore automatically the current setting, column position, size, and so on (2)
with Tree1 do
begin
BeginUpdate();
Columns.Add('Column');
with Items do
begin
AddItem('Item 1');
AddItem('Item 2');
AddItem('Item 3');
end;
Layout := 'Select="0";SingleSort="C0:2";Columns=1';
EndUpdate();
end
|
|
549
|
Is there any property I can save and restore automatically the current setting, column position, size, and so on (1)
with Tree1 do
begin
BeginUpdate();
Columns.Add('Column');
with Items do
begin
AddItem('Item 1');
AddItem('Item 2');
AddItem('Item 3');
end;
Layout := 'gBjAAwAAuABmABpABsAB0ABlAByhoAPIAOEPAA9gYABoABQAgUEg0XN4AOcJicKkpujMbjsfkMFk0YhkQgUOjUEl8gjcGO0ok8KMULjEaGMcj08kQAO8oMkTNEtGwAGQ' +
'Aqc7gUlhh1ABtAEsk9GpEfhElgVcsMupNlnlonlaAFcr0shUsp8QPEtnVJqJhmcIhUMh0QiU5sYAqMngUSuEMw07k8Qv0SgVRrNEuVflF2jF5x9JyNEm0TjQijemyE0j' +
'E3t+YruauoAu4Az1qj9BzRn0UzksSnAA0xDjY6qnAw8OiUQ0dwzN0zWz2t7j8/xURAGNvWH6k8xlEhklhEI0O/6QAgI=';
EndUpdate();
end
|
|
548
|
I have noticed that the column's header is changed once the cursor hovers it. Is it possible to change that visual appearance
with Tree1 do
begin
VisualAppearance.Add(1,'c:\exontrol\images\normal.ebn');
with Columns do
begin
Add('Column 1');
Add('Column 2');
end;
BackColorHeader := $1000000;
Background[EXTREELib_TLB.exCursorHoverColumn] := $12d86ff;
end
|
|
547
|
Is it possible to change the visual appearance of the columns selector/floating bar(3)
with Tree1 do
begin
ColumnAutoResize := False;
with Columns do
begin
Add('Column 1');
(IUnknown(Add('Column 2')) as EXTREELib_TLB.Column).Visible := False;
end;
VisualAppearance.Add(2,'c:\exontrol\images\normal.ebn');
VisualAppearance.Add(3,'c:\exontrol\images\pushed.ebn');
Background[EXTREELib_TLB.exColumnsFloatAppearance] := $2000000;
Background[EXTREELib_TLB.exColumnsFloatBackColor] := $3000000;
Background[EXTREELib_TLB.exColumnsFloatCaptionBackColor] := $f0f5f6;
ColumnsFloatBarVisible := EXTREELib_TLB.exColumnsFloatBarVisibleIncludeHiddenColumns;
end
|
|
546
|
Is it possible to change the visual appearance of the columns selector/floating bar(2)
with Tree1 do
begin
ColumnAutoResize := False;
with Columns do
begin
Add('Column 1');
(IUnknown(Add('Column 2')) as EXTREELib_TLB.Column).Visible := False;
end;
VisualAppearance.Add(3,'c:\exontrol\images\pushed.ebn');
Background[EXTREELib_TLB.exColumnsFloatBackColor] := $3000000;
ColumnsFloatBarVisible := EXTREELib_TLB.exColumnsFloatBarVisibleIncludeHiddenColumns;
end
|
|
545
|
Is it possible to change the visual appearance of the columns selector/floating bar(1)
with Tree1 do
begin
VisualAppearance.Add(2,'c:\exontrol\images\normal.ebn');
Background[EXTREELib_TLB.exColumnsFloatAppearance] := $2000000;
Background[EXTREELib_TLB.exColumnsFloatBackColor] := $f0f5f6;
Background[EXTREELib_TLB.exColumnsFloatCaptionBackColor] := $f0f5f6;
ColumnsFloatBarVisible := EXTREELib_TLB.exColumnsFloatBarVisibleIncludeHiddenColumns;
end
|
|
544
|
I am using the ColumnsFloatBarVisible property on True, but still not able to add any column on that list
with Tree1 do
begin
ColumnAutoResize := False;
with Columns do
begin
Add('Column 1');
(IUnknown(Add('Column 2')) as EXTREELib_TLB.Column).Visible := False;
end;
ColumnsFloatBarVisible := EXTREELib_TLB.exColumnsFloatBarVisibleIncludeHiddenColumns;
end
|
|
543
|
Is it possible to list a column to columns selector/floating bar, but still user can use it
with Tree1 do
begin
ColumnAutoResize := False;
with Columns do
begin
Add('Column 1');
(IUnknown(Add('Column 2')) as EXTREELib_TLB.Column).Visible := False;
with (IUnknown(Add('Column 3')) as EXTREELib_TLB.Column) do
begin
Visible := False;
Enabled := False;
end;
end;
ColumnsFloatBarVisible := EXTREELib_TLB.exColumnsFloatBarVisibleIncludeHiddenColumns;
end
|
|
542
|
How can I prevent a specific column not to be listed in the columns selector/floating bar
with Tree1 do
begin
ColumnAutoResize := False;
with Columns do
begin
Add('Column 1');
(IUnknown(Add('Column 2')) as EXTREELib_TLB.Column).Visible := False;
with (IUnknown(Add('Column 3')) as EXTREELib_TLB.Column) do
begin
Visible := False;
AllowDragging := False;
end;
end;
ColumnsFloatBarVisible := EXTREELib_TLB.exColumnsFloatBarVisibleIncludeHiddenColumns;
end
|
|
541
|
Is it possible to change the "Columns" caption being shown in the columns selector/floating bar
with Tree1 do
begin
ColumnAutoResize := False;
with Columns do
begin
Add('Column 1');
(IUnknown(Add('Column 2')) as EXTREELib_TLB.Column).Visible := False;
end;
Description[EXTREELib_TLB.exColumnsFloatBar] := 'Hidden Columns';
ColumnsFloatBarVisible := EXTREELib_TLB.exColumnsFloatBarVisibleIncludeHiddenColumns;
end
|
|
540
|
How can I show the columns selector, so the user can drag and drop columns to the view
with Tree1 do
begin
ColumnAutoResize := False;
with Columns do
begin
Add('Column 1');
(IUnknown(Add('Column 2')) as EXTREELib_TLB.Column).Visible := False;
end;
ColumnsFloatBarVisible := EXTREELib_TLB.exColumnsFloatBarVisibleIncludeHiddenColumns;
end
|
|
539
|
The column's header is changed while the cursor hovers it. Is it possible to prevent that
with Tree1 do
begin
with Columns do
begin
Add('Column 1');
Add('Column 2');
end;
Background[EXTREELib_TLB.exCursorHoverColumn] := $ffffffff;
end
|
|
538
|
Is there any public method to export the selected data
with Tree1 do
begin
BeginUpdate();
MarkSearchColumn := False;
with Columns do
begin
Add('C1');
(IUnknown(Add('C2')) as EXTREELib_TLB.Column).FormatColumn := '1 index `A-Z`';
(IUnknown(Add('C3')) as EXTREELib_TLB.Column).FormatColumn := '100 index ``';
end;
with Items do
begin
AddItem('Item 1');
SelectItem[AddItem('Item 2')] := True;
AddItem('Item 3');
end;
EndUpdate();
OutputDebugString( 'Export CSV Selected Items Only:' );
OutputDebugString( Export('','sel') );
end
|
|
537
|
Is it possible to auto-numbering the children items but still keeps the position after filtering
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
with (IUnknown(Columns.Add('Items')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
FilterType := EXTREELib_TLB.exFilter;
Filter := 'Child 2';
end;
with (IUnknown(Columns.Add('Pos.1')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '1 ropos ''''';
Position := 0;
Width := 32;
AllowSizing := False;
end;
with (IUnknown(Columns.Add('Pos.2')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '1 ropos '':''';
Position := 1;
Width := 32;
AllowSizing := False;
end;
with (IUnknown(Columns.Add('Pos.3')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '1 ropos '':|A-Z''';
Position := 2;
Width := 32;
AllowSizing := False;
end;
with (IUnknown(Columns.Add('Pos.4')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '1 ropos ''|A-Z|''';
Position := 3;
Width := 32;
AllowSizing := False;
end;
with (IUnknown(Columns.Add('Pos.5')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '''<font Tahoma;7>'' + 1 ropos ''-<b>||A-Z''';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
Position := 4;
Width := 32;
AllowSizing := False;
end;
with (IUnknown(Columns.Add('Pos.6')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '''<b>''+ 1 ropos ''</b>:<fgcolor=FF0000>|A-Z|''';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
Position := 5;
Width := 48;
AllowSizing := False;
end;
with Items do
begin
h := AddItem('Root 1');
InsertItem(h,Null,'Child 1');
InsertItem(h,Null,'Child 2');
ExpandItem[h] := True;
h := AddItem('Root 2');
InsertItem(h,Null,'Child 1');
InsertItem(h,Null,'Child 2');
end;
ApplyFilter();
EndUpdate();
end
|
|
536
|
Is it possible to auto-numbering the children items too
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
Columns.Add('Items');
with (IUnknown(Columns.Add('Pos.1')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '1 rpos ''''';
Position := 0;
Width := 32;
AllowSizing := False;
end;
with (IUnknown(Columns.Add('Pos.2')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '1 rpos '':''';
Position := 1;
Width := 32;
AllowSizing := False;
end;
with (IUnknown(Columns.Add('Pos.3')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '1 rpos '':|A-Z''';
Position := 2;
Width := 32;
AllowSizing := False;
end;
with (IUnknown(Columns.Add('Pos.4')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '1 rpos ''|A-Z|''';
Position := 3;
Width := 32;
AllowSizing := False;
end;
with (IUnknown(Columns.Add('Pos.5')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '''<font Tahoma;7>'' + 1 rpos ''-<b>||A-Z''';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
Position := 4;
Width := 32;
AllowSizing := False;
end;
with (IUnknown(Columns.Add('Pos.6')) as EXTREELib_TLB.Column) do
begin
FormatColumn := '''<b>''+ 1 rpos ''</b>:<fgcolor=FF0000>|A-Z|''';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
Position := 5;
Width := 48;
AllowSizing := False;
end;
with Items do
begin
h := AddItem('Root 1');
InsertItem(h,Null,'Child 1');
InsertItem(h,Null,'Child 2');
ExpandItem[h] := True;
h := AddItem('Root 2');
InsertItem(h,Null,'Child 1');
InsertItem(h,Null,'Child 2');
end;
EndUpdate();
end
|
|
535
|
How can I find if there is any filter applied to the control
// FilterChange event - Notifies your application that the filter is changed.
procedure TForm1.Tree1FilterChange(ASender: TObject; );
begin
with Tree1 do
begin
OutputDebugString( 'If negative, the filter is present, else not' );
OutputDebugString( Items.VisibleItemCount );
end
end;
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
TreeColumnIndex := -1;
FilterInclude := EXTREELib_TLB.exMatchingItemsOnly;
with (IUnknown(Columns.Add('Column')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
FilterType := EXTREELib_TLB.exFilter;
Filter := 'C1';
end;
with Items do
begin
h := AddItem('R1');
InsertItem(h,Null,'C1');
InsertItem(h,Null,'C2');
ExpandItem[h] := True;
h := AddItem('R2');
InsertItem(h,Null,'C1');
InsertItem(h,Null,'C2');
end;
ApplyFilter();
EndUpdate();
end
|
|
534
|
How can I prevent showing the lines for the hierarchy while using the exMatchingItemsOnly option
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
TreeColumnIndex := -1;
FilterInclude := EXTREELib_TLB.exMatchingItemsOnly;
with (IUnknown(Columns.Add('Column')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
FilterType := EXTREELib_TLB.exFilter;
Filter := 'C1|C2';
end;
with Items do
begin
h := AddItem('R1');
InsertItem(h,Null,'C1');
InsertItem(h,Null,'C2');
ExpandItem[h] := True;
h := AddItem('R2');
InsertItem(h,Null,'C1');
InsertItem(h,Null,'C2');
end;
ApplyFilter();
EndUpdate();
end
|
|
533
|
Is there any method to get only the matched items and not the items with his parent
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
FilterInclude := EXTREELib_TLB.exMatchingItemsOnly;
with (IUnknown(Columns.Add('Column')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
FilterType := EXTREELib_TLB.exFilter;
Filter := 'C1|C2';
end;
with Items do
begin
h := AddItem('R1');
InsertItem(h,Null,'C1');
InsertItem(h,Null,'C2');
ExpandItem[h] := True;
h := AddItem('R2');
InsertItem(h,Null,'C1');
InsertItem(h,Null,'C2');
end;
ApplyFilter();
EndUpdate();
end
|
|
532
|
How can I add or change the padding (spaces) for captions in the control's header
with Tree1 do
begin
BeginUpdate();
(IUnknown(Columns.Add('Padding-Left')) as EXTREELib_TLB.Column).Def[EXTREELib_TLB.exHeaderPaddingLeft] := OleVariant(18);
with (IUnknown(Columns.Add('Padding-Right')) as EXTREELib_TLB.Column) do
begin
Def[EXTREELib_TLB.exHeaderPaddingRight] := OleVariant(18);
HeaderAlignment := EXTREELib_TLB.RightAlignment;
end;
EndUpdate();
end
|
|
531
|
Do you have any plans to add cell spacing and cell padding to the cells
with Tree1 do
begin
BeginUpdate();
DrawGridLines := EXTREELib_TLB.exRowLines;
with (IUnknown(Columns.Add('Padding-Left')) as EXTREELib_TLB.Column) do
begin
Def[EXTREELib_TLB.exCellHasCheckBox] := OleVariant(True);
Def[EXTREELib_TLB.exCellPaddingLeft] := OleVariant(18);
end;
(IUnknown(Columns.Add('No-Padding')) as EXTREELib_TLB.Column).Def[EXTREELib_TLB.exCellHasCheckBox] := OleVariant(True);
(IUnknown(Columns.Add('Empty')) as EXTREELib_TLB.Column).Position := 0;
with Items do
begin
CellCaption[OleVariant(AddItem('Item A.1')),OleVariant(1)] := 'Item A.2';
CellCaption[OleVariant(AddItem('Item B.1')),OleVariant(1)] := 'Item B.2';
CellCaption[OleVariant(AddItem('Item C.1')),OleVariant(1)] := 'Item C.2';
end;
EndUpdate();
end
|
|
530
|
Is it possible display numbers in the same format no matter of regional settings in the control panel
with Tree1 do
begin
BeginUpdate();
(IUnknown(Columns.Add('Def')) as EXTREELib_TLB.Column).Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
with Items do
begin
h := AddItem(OleVariant(100000.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format '''') + '' <fgcolor=808080>(default positive)''';
h := AddItem(OleVariant(100000.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format ''2|.|3|,|1|1'')';
h := AddItem(OleVariant(-100000.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format '''') + '' <fgcolor=808080>(default negative)''';
h := AddItem(OleVariant(-100000.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format ''2|.|3|,|1|1'')';
end;
EndUpdate();
end
|
|
529
|
Is it possible to add a 0 for numbers less than 1 instead .7 to show 0.8
with Tree1 do
begin
BeginUpdate();
(IUnknown(Columns.Add('Def')) as EXTREELib_TLB.Column).Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
with Items do
begin
h := AddItem(OleVariant(0.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format '''') + '' <fgcolor=808080>(default)''';
h := AddItem(OleVariant(0.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format ''|||||0'') + '' <fgcolor=808080>(Display no leading zeros)''';
end;
EndUpdate();
end
|
|
528
|
How can I specify the format for negative numbers
with Tree1 do
begin
BeginUpdate();
(IUnknown(Columns.Add('Def')) as EXTREELib_TLB.Column).Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
with Items do
begin
h := AddItem(OleVariant(-100000.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format '''') + '' <fgcolor=808080>(default)''';
h := AddItem(OleVariant(-100000.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format ''||||1'') + '' <fgcolor=808080>(Negative sign, number; for example, -1.1)''';
end;
EndUpdate();
end
|
|
527
|
Is it possible to change the grouping character when display numbers
with Tree1 do
begin
BeginUpdate();
(IUnknown(Columns.Add('Def')) as EXTREELib_TLB.Column).Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
with Items do
begin
h := AddItem(OleVariant(100000.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format '''') + '' <fgcolor=808080>(default)''';
h := AddItem(OleVariant(100000.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format ''|||-'') + '' <fgcolor=808080>(grouping character is -)''';
end;
EndUpdate();
end
|
|
526
|
How can I display numbers with 2 digits in each group
with Tree1 do
begin
BeginUpdate();
(IUnknown(Columns.Add('Def')) as EXTREELib_TLB.Column).Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
with Items do
begin
h := AddItem(OleVariant(100000.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format '''') + '' <fgcolor=808080>(default)''';
h := AddItem(OleVariant(100000.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format ''||2'') + '' <fgcolor=808080>(grouping by 2 digits)''';
end;
EndUpdate();
end
|
|
525
|
How can I display my numbers using a different decimal separator
with Tree1 do
begin
BeginUpdate();
(IUnknown(Columns.Add('Def')) as EXTREELib_TLB.Column).Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
with Items do
begin
h := AddItem(OleVariant(100.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format '''') + '' <fgcolor=808080>(default)''';
h := AddItem(OleVariant(100.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format ''|;'') + '' <fgcolor=808080>(decimal separator is <b>;</b>)''';
end;
EndUpdate();
end
|
|
524
|
Is it possible to display the numbers using 3 (three) digits
with Tree1 do
begin
BeginUpdate();
(IUnknown(Columns.Add('Def')) as EXTREELib_TLB.Column).Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
with Items do
begin
h := AddItem(OleVariant(100.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format '''') + '' <fgcolor=808080>(default)''';
h := AddItem(OleVariant(100.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format ''3'') + '' <fgcolor=808080>(3 digits)''';
h := AddItem(OleVariant(100.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format 2) + '' <fgcolor=808080>(2 digits)''';
h := AddItem(OleVariant(100.27));
FormatCell[OleVariant(h),OleVariant(0)] := '(value format 1) + '' <fgcolor=808080>(1 digit)''';
end;
EndUpdate();
end
|
|
523
|
Is it possible to format numbers
with Tree1 do
begin
BeginUpdate();
MarkSearchColumn := False;
with Columns do
begin
Add('Name');
with (IUnknown(Add('A')) as EXTREELib_TLB.Column) do
begin
SortType := EXTREELib_TLB.SortNumeric;
AllowSizing := False;
Width := 36;
FormatColumn := 'len(value) ? value + '' +''';
end;
with (IUnknown(Add('B')) as EXTREELib_TLB.Column) do
begin
SortType := EXTREELib_TLB.SortNumeric;
AllowSizing := False;
Width := 36;
FormatColumn := 'len(value) ? value + '' +''';
end;
with (IUnknown(Add('C')) as EXTREELib_TLB.Column) do
begin
SortType := EXTREELib_TLB.SortNumeric;
AllowSizing := False;
Width := 36;
FormatColumn := 'len(value) ? value + '' =''';
end;
with (IUnknown(Add('A+B+C')) as EXTREELib_TLB.Column) do
begin
SortType := EXTREELib_TLB.SortNumeric;
Width := 64;
ComputedField := 'dbl(%1)+dbl(%2)+dbl(%3)';
FormatColumn := 'type(value) in (0,1) ? ''null'' : ( dbl(value)<0 ? ''<fgcolor=FF0000>''+ (value format ''2|.|3|,|1'' ) : (dbl(value)>0 ? ''<fgcolor=000' +
'0FF>+''+(value format ''2|.|3|,'' ): ''0.00'') )';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
end;
end;
with Items do
begin
h := AddItem('Root');
CellCaptionFormat[OleVariant(h),OleVariant(4)] := EXTREELib_TLB.exComputedField;
h1 := InsertItem(h,Null,'Child 1');
CellCaption[OleVariant(h1),OleVariant(1)] := OleVariant(7);
CellCaption[OleVariant(h1),OleVariant(2)] := OleVariant(3);
CellCaption[OleVariant(h1),OleVariant(3)] := OleVariant(1);
h1 := InsertItem(h,Null,'Child 2');
CellCaption[OleVariant(h1),OleVariant(1)] := OleVariant(-2);
CellCaption[OleVariant(h1),OleVariant(2)] := OleVariant(-2);
CellCaption[OleVariant(h1),OleVariant(3)] := OleVariant(-4);
h1 := InsertItem(h,Null,'Child 3');
CellCaption[OleVariant(h1),OleVariant(1)] := OleVariant(2);
CellCaption[OleVariant(h1),OleVariant(2)] := OleVariant(2);
CellCaption[OleVariant(h1),OleVariant(3)] := OleVariant(-4);
ExpandItem[h] := True;
end;
EndUpdate();
end
|
|
522
|
I am using the FormatColumn/FormatCell to format my columns. Is it possible to ignore the SelForeColor, so the foreground color for selected items does not override my settings
// SelectionChanged event - Fired after a new item has been selected.
procedure TForm1.Tree1SelectionChanged(ASender: TObject; );
begin
with Tree1 do
begin
with Items do
begin
ClearItemBackColor(0);
ItemBackColor[SelectedItem[0]] := $ffff80;
end;
end
end;
with Tree1 do
begin
BeginUpdate();
MarkSearchColumn := False;
SelForeColor := ForeColor;
SelBackColor := BackColor;
ShowFocusRect := False;
with Columns do
begin
with (IUnknown(Add('Format')) as EXTREELib_TLB.Column) do
begin
FormatColumn := 'type(value) in (0,1) ? ''null'' : ( dbl(value)<0 ? ''<fgcolor=FF0000>''+ (value format ''2|.|3|,|1'' ) : (dbl(value)>0 ? ''<fgcolor=000' +
'0FF>+''+(value format ''2|.|3|,'' ): ''0.00'') )';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
end;
end;
with Items do
begin
AddItem(OleVariant(10));
AddItem(OleVariant(-8));
end;
EndUpdate();
end
|
|
521
|
Is it possible to change the height for all items at once
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
Columns.Add('Items');
with Items do
begin
h := AddItem('Root 1');
InsertItem(h,Null,'Child 1');
InsertItem(h,Null,'Child 2');
h := AddItem('Root 2');
InsertItem(h,Null,'Child 1');
InsertItem(h,Null,'Child 2');
ExpandItem[0] := True;
end;
EndUpdate();
DefaultItemHeight := 12;
Items.ItemHeight[0] := 12;
end
|
|
520
|
How can I add a footer row
with Tree1 do
begin
ShowLockedItems := True;
DrawGridLines := EXTREELib_TLB.exVLines;
Columns.Add('C1');
Columns.Add('C2');
with Items do
begin
LockedItemCount[EXTREELib_TLB.BottomAlignment] := 1;
h := LockedItem[EXTREELib_TLB.BottomAlignment,0];
ItemBackColor[h] := $808080;
ItemForeColor[h] := $ffffff;
CellCaption[OleVariant(h),OleVariant(0)] := 'footer c1';
CellCaption[OleVariant(h),OleVariant(1)] := 'footer c2';
CellCaption[OleVariant(AddItem('cell')),OleVariant(1)] := 'cell';
end;
end
|
|
519
|
How can I add a header row
with Tree1 do
begin
ShowLockedItems := True;
DrawGridLines := EXTREELib_TLB.exVLines;
Columns.Add('C1');
Columns.Add('C2');
with Items do
begin
LockedItemCount[EXTREELib_TLB.TopAlignment] := 1;
h := LockedItem[EXTREELib_TLB.TopAlignment,0];
ItemBackColor[h] := $808080;
ItemForeColor[h] := $ffffff;
CellCaption[OleVariant(h),OleVariant(0)] := 'footer c1';
CellCaption[OleVariant(h),OleVariant(1)] := 'footer c2';
CellCaption[OleVariant(AddItem('cell')),OleVariant(1)] := 'cell';
end;
end
|
|
518
|
When I'm trying to show string with "line break" character (vbCrLF) in a textbox, it shows 2 squares. Is there any way to hide these squares
with Tree1 do
begin
with Columns do
begin
Add('Value');
with (IUnknown(Add('CellSingleLine = False')) as EXTREELib_TLB.Column) do
begin
ComputedField := '%0';
Def[EXTREELib_TLB.exCellSingleLine] := OleVariant(False);
end;
with (IUnknown(Add('FormatColumn/replace CRLF')) as EXTREELib_TLB.Column) do
begin
ComputedField := '%0';
FormatColumn := 'value replace `\r\n` with ``';
end;
with (IUnknown(Add('FormatColumn/replace TAB,CRLF')) as EXTREELib_TLB.Column) do
begin
ComputedField := '%0';
FormatColumn := '(value replace `\t` with ``) replace `\r\n` with ``';
end;
end;
with Items do
begin
AddItem('a\ta\r\nb\tb');
end;
end
|
|
517
|
Is there any way to "unselect" radio group
// DblClick event - Occurs when the user dblclk the left mouse button over an object.
procedure TForm1.Tree1DblClick(ASender: TObject; Shift : Smallint;X : Integer;Y : Integer);
begin
with Tree1 do
begin
with Items do
begin
h := CellChecked[1234];
CellHasCheckBox[OleVariant(0),OleVariant(h)] := True;
CellState[OleVariant(0),OleVariant(h)] := 0;
CellHasCheckBox[OleVariant(0),OleVariant(h)] := False;
end;
end
end;
// SelectionChanged event - Fired after a new item has been selected.
procedure TForm1.Tree1SelectionChanged(ASender: TObject; );
begin
with Tree1 do
begin
with Items do
begin
CellState[OleVariant(FocusItem),OleVariant(0)] := 1;
end;
end
end;
with Tree1 do
begin
MarkSearchColumn := False;
SelBackColor := RGB(255,255,128);
SelForeColor := RGB(0,0,0);
Columns.Add('Default');
with Items do
begin
h := AddItem('Radio 1');
CellHasRadioButton[OleVariant(h),OleVariant(0)] := True;
CellRadioGroup[OleVariant(h),OleVariant(0)] := 1234;
h := AddItem('Radio 2');
CellHasRadioButton[OleVariant(h),OleVariant(0)] := True;
CellRadioGroup[OleVariant(h),OleVariant(0)] := 1234;
CellState[OleVariant(h),OleVariant(0)] := 1;
h := AddItem('Radio 3');
CellHasRadioButton[OleVariant(h),OleVariant(0)] := True;
CellRadioGroup[OleVariant(h),OleVariant(0)] := 1234;
end;
end
|
|
516
|
The Column.Alignment property does not seem to work for cells with images in them. What can be done
with Tree1 do
begin
BeginUpdate();
Images('gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTql' +
'Vq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m0' +
'ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/yN' +
'AOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=');
TreeColumnIndex := -1;
DrawGridLines := EXTREELib_TLB.exAllLines;
HeaderHeight := 24;
MarkSearchColumn := False;
DefaultItemHeight := 24;
with (IUnknown(Columns.Add('Image')) as EXTREELib_TLB.Column) do
begin
AllowSizing := False;
Width := 32;
HTMLCaption := '<img>1</img>';
HeaderAlignment := EXTREELib_TLB.CenterAlignment;
Alignment := EXTREELib_TLB.CenterAlignment;
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
end;
Columns.Add('Rest');
with Items do
begin
AddItem('<img>1</img>');
AddItem('<img>2</img>');
AddItem('<img>3</img>');
end;
EndUpdate();
end
|
|
515
|
Can I change the format of date to be shown in the control
with Tree1 do
begin
with Columns do
begin
Add('Default');
with (IUnknown(Add('Format.1')) as EXTREELib_TLB.Column) do
begin
ComputedField := '%0';
FormatColumn := 'dateF(value) replace `/` with `-`';
end;
with (IUnknown(Add('Format.2')) as EXTREELib_TLB.Column) do
begin
ComputedField := '%0';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
FormatColumn := '`<b>`+ shortdate(value) + `</b> ` + timeF(value)';
end;
with (IUnknown(Add('Format.3')) as EXTREELib_TLB.Column) do
begin
ComputedField := '%0';
Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
FormatColumn := '( dateF(value) replace `/` with `-` ) + ` <b>`+ ( weekday(value) case ( 0 : `Su`; 1 : `Mo`; 2 : `Tu`; 3 : `We`; 4 : `Th`; 5 : `F' +
'r`; 6 : `Sa`) )';
end;
end;
with Items do
begin
AddItem('1/1/2001 10:00:00 AM');
AddItem('1/2/2001 10:00:00 AM');
end;
end
|
|
514
|
Is it possible to scroll the control's content by clicking and dragging
with Tree1 do
begin
BeginUpdate();
ColumnAutoResize := False;
ContinueColumnScroll := False;
rs := (IUnknown(ComObj.CreateComObject(ComObj.ProgIDToClassID('ADOR.Recordset'))) as ADODB_TLB.Recordset);
with rs do
begin
Open('Orders','Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Program Files\Exontrol\ExTree\Sample\Access\sample.mdb',3,3,Null);
end;
DataSource := (IUnknown(rs) as ADODB_TLB.Recordset);
AutoDrag := EXTREELib_TLB.exAutoDragScroll;
EndUpdate();
end
|
|
513
|
How can copy and paste the selection to Microsoft Word, any OLE compliant application, as a snapshot
with Tree1 do
begin
BeginUpdate();
VisualAppearance.Add(1,'c:\exontrol\images\normal.ebn');
HTMLPicture['p1'] := 'c:\exontrol\images\card.png';
HTMLPicture['p2'] := 'c:\exontrol\images\sun.png';
AutoDrag := EXTREELib_TLB.exAutoDragCopySnapShot;
LinesAtRoot := EXTREELib_TLB.exNoLinesAtRoot;
HasLines := EXTREELib_TLB.exThinLine;
ShowFocusRect := False;
DefaultItemHeight := 26;
Columns.Add('Task');
with Items do
begin
h := AddItem('<img>p1:32</img>Group 1');
CellCaptionFormat[OleVariant(h),OleVariant(0)] := EXTREELib_TLB.exHTML;
ItemDivider[h] := 0;
ItemBold[h] := True;
h1 := InsertItem(h,Null,'Task 1');
h2 := InsertItem(h,Null,'Task 2');
h3 := InsertItem(h,Null,'Task 3');
h := AddItem('<img>p2:32</img>Group 2');
CellCaptionFormat[OleVariant(h),OleVariant(0)] := EXTREELib_TLB.exHTML;
ItemBold[h] := True;
ItemDivider[h] := 0;
h1 := InsertItem(h,Null,'Task');
ExpandItem[0] := True;
end;
EndUpdate();
end
|
|
512
|
How can copy and paste the selection to Microsoft Word, any OLE compliant application, as a image
with Tree1 do
begin
BeginUpdate();
HTMLPicture['p1'] := 'c:\exontrol\images\card.png';
HTMLPicture['p2'] := 'c:\exontrol\images\sun.png';
var_HTMLPicture := HTMLPicture['aka1'];
HeaderHeight := 24;
DefaultItemHeight := 48;
DrawGridLines := EXTREELib_TLB.exRowLines;
GridLineColor := RGB(240,240,240);
SelBackMode := EXTREELib_TLB.exTransparent;
ColumnAutoResize := False;
ContinueColumnScroll := False;
rs := (IUnknown(ComObj.CreateComObject(ComObj.ProgIDToClassID('ADOR.Recordset'))) as ADODB_TLB.Recordset);
with rs do
begin
Open('Orders','Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Program Files\Exontrol\ExTree\Sample\Access\sample.mdb',3,3,Null);
end;
DataSource := (IUnknown(rs) as ADODB_TLB.Recordset);
Columns.Item[OleVariant(0)].Def[EXTREELib_TLB.exCellCaptionFormat] := OleVariant(1);
Columns.Item[OleVariant(0)].FormatColumn := 'value + ` <img>p` + (1 + (value mod 3 ) ) + `</img>`';
Columns.Item[OleVariant(0)].Width := 112;
Columns.Item[OleVariant(1)].Def[EXTREELib_TLB.exCellHasCheckBox] := OleVariant(1);
Columns.Item[OleVariant(2)].LevelKey := '1';
Columns.Item[OleVariant(3)].LevelKey := '1';
Columns.Item[OleVariant(4)].LevelKey := '1';
AutoDrag := EXTREELib_TLB.exAutoDragCopyImage;
SingleSel := False;
with Items do
begin
h := ItemByIndex[1];
SelectItem[h] := True;
h := ItemByIndex[2];
SelectItem[h] := True;
h := ItemByIndex[3];
SelectItem[h] := True;
LockedItemCount[EXTREELib_TLB.BottomAlignment] := 1;
h := LockedItem[EXTREELib_TLB.BottomAlignment,0];
CellCaption[OleVariant(h),OleVariant(1)] := '<font ;16>Click the selection and <b>wait to start dragging</b>, and then drop to Microsoft Word, ...';
CellSingleLine[OleVariant(h),OleVariant(1)] := EXTREELib_TLB.exCaptionWordWrap;
CellCaptionFormat[OleVariant(h),OleVariant(1)] := EXTREELib_TLB.exHTML;
CellHAlignment[OleVariant(h),OleVariant(1)] := EXTREELib_TLB.CenterAlignment;
ItemDivider[h] := 1;
ItemDividerLineAlignment[h] := EXTREELib_TLB.DividerTop;
end;
EndUpdate();
end
|
|
511
|
How can copy and paste the selection to Microsoft Word, Excel or any OLE compliant application, as a text
with Tree1 do
begin
BeginUpdate();
ColumnAutoResize := False;
ContinueColumnScroll := False;
rs := (IUnknown(ComObj.CreateComObject(ComObj.ProgIDToClassID('ADOR.Recordset'))) as ADODB_TLB.Recordset);
with rs do
begin
Open('Orders','Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Program Files\Exontrol\ExTree\Sample\Access\sample.mdb',3,3,Null);
end;
DataSource := (IUnknown(rs) as ADODB_TLB.Recordset);
Columns.Item[OleVariant(2)].LevelKey := '1';
Columns.Item[OleVariant(3)].LevelKey := '1';
Columns.Item[OleVariant(4)].LevelKey := '1';
AutoDrag := EXTREELib_TLB.exAutoDragCopyText;
SingleSel := False;
with Items do
begin
h := ItemByIndex[1];
SelectItem[h] := True;
h := ItemByIndex[3];
SelectItem[h] := True;
h := ItemByIndex[4];
SelectItem[h] := True;
h := ItemByIndex[5];
SelectItem[h] := True;
LockedItemCount[EXTREELib_TLB.BottomAlignment] := 1;
h := LockedItem[EXTREELib_TLB.BottomAlignment,0];
CellCaption[OleVariant(h),OleVariant(0)] := '<font ;16>Click the selection and <b>wait to start dragging</b>, and then drop to Microsoft Word, Excel, ...';
CellSingleLine[OleVariant(h),OleVariant(0)] := EXTREELib_TLB.exCaptionWordWrap;
CellCaptionFormat[OleVariant(h),OleVariant(0)] := EXTREELib_TLB.exHTML;
CellHAlignment[OleVariant(h),OleVariant(0)] := EXTREELib_TLB.CenterAlignment;
ItemDivider[h] := 0;
ItemDividerLineAlignment[h] := EXTREELib_TLB.DividerTop;
end;
EndUpdate();
end
|
|
510
|
Is it possible to change the indentation during the drag and drop
with Tree1 do
begin
BeginUpdate();
VisualAppearance.Add(1,'c:\exontrol\images\normal.ebn');
AutoDrag := EXTREELib_TLB.exAutoDragPositionAny;
LinesAtRoot := EXTREELib_TLB.exNoLinesAtRoot;
HasLines := EXTREELib_TLB.exSolidLine;
HasButtons := EXTREELib_TLB.exWPlus;
ShowFocusRect := False;
SelBackMode := EXTREELib_TLB.exTransparent;
Columns.Add('Task');
with Items do
begin
h := AddItem('Group 1');
ItemBold[h] := True;
ItemDivider[h] := 0;
h1 := InsertItem(h,Null,'Task 1');
h2 := InsertItem(h1,Null,'Task 2');
h2 := InsertItem(h1,Null,'Task 3');
h3 := InsertItem(h,Null,'Task 3');
ExpandItem[h] := True;
ExpandItem[h1] := True;
h := AddItem('Group 2');
ItemBold[h] := True;
ItemDivider[h] := 0;
LockedItemCount[EXTREELib_TLB.BottomAlignment] := 1;
h := LockedItem[EXTREELib_TLB.BottomAlignment,0];
CellCaption[OleVariant(h),OleVariant(0)] := 'Click a row, and move by dragging <b>up, down</b> to change the row''s parent or <b>left,right</b> to increase or decrease the in' +
'dentation.';
CellSingleLine[OleVariant(h),OleVariant(0)] := EXTREELib_TLB.exCaptionWordWrap;
CellCaptionFormat[OleVariant(h),OleVariant(0)] := EXTREELib_TLB.exHTML;
end;
EndUpdate();
end
|
|
509
|
Is it possible to allow moving an item to another, but keeping its indentation
with Tree1 do
begin
BeginUpdate();
VisualAppearance.Add(1,'c:\exontrol\images\normal.ebn');
AutoDrag := EXTREELib_TLB.exAutoDragPositionKeepIndent;
LinesAtRoot := EXTREELib_TLB.exNoLinesAtRoot;
HasLines := EXTREELib_TLB.exThinLine;
ShowFocusRect := False;
Columns.Add('Task');
with Items do
begin
h := AddItem('Group 1');
ItemDivider[h] := 0;
ItemBold[h] := True;
h1 := InsertItem(h,Null,'Task 1');
h2 := InsertItem(h,Null,'Task 2');
h3 := InsertItem(h,Null,'Task 3');
ExpandItem[h] := True;
h := AddItem('Group 2');
ItemBold[h] := True;
ItemDivider[h] := 0;
end;
EndUpdate();
end
|
|
508
|
How can I change the row's position to another, by drag and drop. Is it possible
with Tree1 do
begin
BeginUpdate();
ShowFocusRect := False;
VisualAppearance.Add(1,'c:\exontrol\images\normal.ebn');
AutoDrag := EXTREELib_TLB.exAutoDragPosition;
Columns.Add('Task');
with Items do
begin
AddItem('Task 1');
AddItem('Task 2');
AddItem('Task 3');
AddItem('Task 4');
end;
EndUpdate();
end
|
|
507
|
How do I enable the scrollbar-extension, as thumb to be shown outside of the control's client area
with Tree1 do
begin
BeginUpdate();
ScrollBars := EXTREELib_TLB.exDisableBoth;
ScrollPartVisible[EXTREELib_TLB.exVScroll,EXTREELib_TLB.exExtentThumbPart] := True;
ScrollPartVisible[EXTREELib_TLB.exHScroll,EXTREELib_TLB.exExtentThumbPart] := True;
ScrollPartVisible[EXTREELib_TLB.ScrollBarEnum($2),EXTREELib_TLB.exExtentThumbPart] := True;
ScrollWidth := 4;
Background[EXTREELib_TLB.exVSBack] := $f0f0f0;
Background[EXTREELib_TLB.exVSThumb] := $808080;
ScrollHeight := 4;
Background[EXTREELib_TLB.exHSBack] := Background[EXTREELib_TLB.exVSBack];
Background[EXTREELib_TLB.exHSThumb] := Background[EXTREELib_TLB.exVSThumb];
Background[EXTREELib_TLB.exScrollSizeGrip] := Background[EXTREELib_TLB.exVSBack];
EndUpdate();
end
|
|
506
|
How can I have a case-insensitive filter (exFilterDoCaseSensitive flag is not set)
with Tree1 do
begin
BeginUpdate();
MarkSearchColumn := False;
with Columns do
begin
with (IUnknown(Add('Car')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
FilterType := EXTREELib_TLB.exFilter;
Filter := 'MAZDA';
end;
with (IUnknown(Add('Equipment')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
DisplayFilterPattern := False;
CustomFilter := 'Air Bag||*Air Bag*|||Air condition||*Air condition*|||ABS||*ABS*|||ESP||*ESP*';
FilterType := EXTREELib_TLB.exPattern;
Filter := 'AIR BAG';
end;
end;
with Items do
begin
CellCaption[OleVariant(AddItem('Mazda')),OleVariant(1)] := 'Air Bag';
CellCaption[OleVariant(AddItem('Toyota')),OleVariant(1)] := 'Air Bag,Air condition';
CellCaption[OleVariant(AddItem('Ford')),OleVariant(1)] := 'Air condition';
CellCaption[OleVariant(AddItem('Nissan')),OleVariant(1)] := 'Air Bag,ABS,ESP';
CellCaption[OleVariant(AddItem('Mazda')),OleVariant(1)] := 'Air Bag, ABS,ESP';
CellCaption[OleVariant(AddItem('Mazda')),OleVariant(1)] := 'ABS,ESP';
end;
ApplyFilter();
EndUpdate();
end
|
|
505
|
How can I have a case-sensitive filter
with Tree1 do
begin
BeginUpdate();
MarkSearchColumn := False;
with Columns do
begin
with (IUnknown(Add('Car')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
FilterType := Integer(EXTREELib_TLB.exFilterDoCaseSensitive) Or Integer(EXTREELib_TLB.exFilter);
Filter := 'Mazda';
end;
with (IUnknown(Add('Equipment')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
DisplayFilterPattern := False;
CustomFilter := 'Air Bag||*Air Bag*|||Air condition||*Air condition*|||ABS||*ABS*|||ESP||*ESP*';
FilterType := Integer(EXTREELib_TLB.exFilterDoCaseSensitive) Or Integer(EXTREELib_TLB.exPattern);
Filter := 'Air Bag';
end;
end;
with Items do
begin
CellCaption[OleVariant(AddItem('Mazda')),OleVariant(1)] := 'Air Bag';
CellCaption[OleVariant(AddItem('Toyota')),OleVariant(1)] := 'Air Bag,Air condition';
CellCaption[OleVariant(AddItem('Ford')),OleVariant(1)] := 'Air condition';
CellCaption[OleVariant(AddItem('Nissan')),OleVariant(1)] := 'Air Bag,ABS,ESP';
CellCaption[OleVariant(AddItem('Mazda')),OleVariant(1)] := 'Air Bag, ABS,ESP';
CellCaption[OleVariant(AddItem('Mazda')),OleVariant(1)] := 'ABS,ESP';
end;
ApplyFilter();
EndUpdate();
end
|
|
504
|
I have several columns, but noticed that the filter is using AND between columns, but I need OR clause for filtering. Is it possible
with Tree1 do
begin
BeginUpdate();
LinesAtRoot := EXTREELib_TLB.exLinesAtRoot;
with (IUnknown(Columns.Add('Item')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
DisplayFilterPattern := False;
Filter := 'Child 1';
FilterType := EXTREELib_TLB.exFilter;
end;
with (IUnknown(Columns.Add('Date')) as EXTREELib_TLB.Column) do
begin
DisplayFilterButton := True;
DisplayFilterPattern := False;
DisplayFilterDate := True;
FilterList := Integer(EXTREELib_TLB.exShowExclude) Or Integer(EXTREELib_TLB.exShowFocusItem) Or Integer(EXTREELib_TLB.exShowCheckBox) Or Integer(EXTREELib_TLB.exNoItems);
Filter := '12/28/2010';
FilterType := EXTREELib_TLB.exDate;
end;
FilterCriteria := '%0 or %1';
Description[EXTREELib_TLB.exFilterBarOr] := '<font ;18><fgcolor=FF0000>or</fgcolor></font>';
Description[EXTREELib_TLB.exFilterBarAnd] := '<font ;18><fgcolor=FF0000>and</fgcolor></font>';
with Items do
begin
h := AddItem('Root 1');
CellCaption[OleVariant(InsertItem(h,Null,'Child 1')),OleVariant(1)] := '12/27/2010';
CellCaption[OleVariant(InsertItem(h,Null,'Child 2')),OleVariant(1)] := '12/28/2010';
ExpandItem[h] := True;
h := AddItem('Root 2');
CellCaption[OleVariant(InsertItem(h,Null,'Child 1')),OleVariant(1)] := '12/29/2010';
CellCaption[OleVariant(InsertItem(h,Null,'Child 2')),OleVariant(1)] := '12/30/2010';
end;
ApplyFilter();
EndUpdate();
end
|
|
503
|
Is it possible exclude the dates being selected in the drop down filter window
with Tree1 do
begin
BeginUpdate();
with (IUnknown(Columns.Add('Date')) as EXTREELib_TLB.Column) do
begin
SortType := EXTREELib_TLB.SortDate;
DisplayFilterButton := True;
DisplayFilterPattern := False;
DisplayFilterDate := True;
FilterList := Integer(EXTREELib_TLB.exShowExclude) Or Integer(EXTREELib_TLB.exShowFocusItem) Or Integer(EXTREELib_TLB.exShowCheckBox) Or Integer(EXTREELib_TLB.exNoItems);
end;
with Items do
begin
AddItem('12/27/2010');
AddItem('12/28/2010');
AddItem('12/29/2010');
AddItem('12/30/2010');
AddItem('12/31/2010');
end;
EndUpdate();
end
|
|
502
|
How can I display a calendar control inside the drop down filter window
with Tree1 do
begin
BeginUpdate();
with (IUnknown(Columns.Add('Date')) as EXTREELib_TLB.Column) do
begin
SortType := EXTREELib_TLB.SortDate;
DisplayFilterButton := True;
DisplayFilterPattern := False;
DisplayFilterDate := True;
FilterList := Integer(EXTREELib_TLB.exShowFocusItem) Or Integer(EXTREELib_TLB.exShowCheckBox) Or Integer(EXTREELib_TLB.exNoItems);
end;
with Items do
begin
AddItem('12/27/2010');
AddItem('12/28/2010');
AddItem('12/29/2010');
AddItem('12/30/2010');
AddItem('12/31/2010');
end;
EndUpdate();
end
|
|
501
|
Is it possible to include the dates as checkb-boxes in the drop down filter window
with Tree1 do
begin
BeginUpdate();
with (IUnknown(Columns.Add('Dates')) as EXTREELib_TLB.Column) do
begin
SortType := EXTREELib_TLB.SortDate;
DisplayFilterButton := True;
DisplayFilterPattern := True;
DisplayFilterDate := True;
FilterList := Integer(EXTREELib_TLB.exShowFocusItem) Or Integer(EXTREELib_TLB.exShowCheckBox);
Filter := 'to 12/27/2010';
FilterType := EXTREELib_TLB.exDate;
end;
with Items do
begin
AddItem('12/27/2010');
AddItem('12/28/2010');
AddItem('12/29/2010');
AddItem('12/30/2010');
AddItem('12/31/2010');
end;
ApplyFilter();
EndUpdate();
end
|