31:
How can I use my own operators only

OleObject oExpression

oExpression = ole_1.Object
oExpression.AllowValueKeyword = false
oExpression.AllowDefaultOperators = false
oExpression.AddCustomOperator("+","<b>+</b>","This is a new binary-operator",2)
oExpression.AddCustomOperator("xxx","<b>xxx</b>","This is a new keyword",0)
oExpression.AddCustomOperator("yyy","<b>yyy</b>","This is a unary-operator",1)
oExpression.AddCustomOperator("zzz","<b>zzz</b>","This is a binary-operator",2)
oExpression.Text = "xxx + yyy(100 zzz 200)"

30:
How can I add a new binary-operator

OleObject oExpression

oExpression = ole_1.Object
oExpression.AddCustomOperator("xxx","<b>xxx</b>","This is a new binary-operator",2)
oExpression.Text = "value + 100 xxx 200"

29:
How can I add a new unary-operator

OleObject oExpression

oExpression = ole_1.Object
oExpression.AddCustomOperator("xxx","<b>xxx</b>","This is a new unary-operator",1)
oExpression.Text = "value + xxx(100)"

28:
How can I add a new keyword

OleObject oExpression

oExpression = ole_1.Object
oExpression.AddCustomOperator("xxx","<b>xxx</b>","This is a new keyword",0)
oExpression.Text = "value + xxx"

27:
How can I disable all operators
OleObject oExpression

oExpression = ole_1.Object
oExpression.AllowValueKeyword = false
oExpression.AllowDefaultOperators = false

26:
How can I disable the value keyword
OleObject oExpression

oExpression = ole_1.Object
oExpression.AllowValueKeyword = false

25:
Usage of and ( and operator )

OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "(value contains 1) and (value != 1)"

24:
Usage of or ( or operator )

OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "(value=1) or value=`string`"

23:
Usage of not ( not operator )

OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "not(value=1)"

22:
Usage of - ( subtraction operator )

OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "value - 2"

21:
Usage of + ( addition operator )

OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "value + 2"

20:
Usage of mod ( reminder operator )

OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "value mod 2"

19:
Usage of / (divide operator)

OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "value / 2"

18:
Usage of * (multiplicity operator)

OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "2 * value"

17:
How can I get the word from cursor when user double clicks the control
/*begin event DblClick(integer  Shift,long  X,long  Y) - Occurs when the user double clicks the left mouse button over an object.*/
/*
	oExpression = ole_1.Object
	MessageBox("Information",string( "Word: " ))
	MessageBox("Information",string( oExpression.WordFromPoint(-1,-1) ))
*/
/*end event DblClick*/

OleObject oExpression

oExpression = ole_1.Object
oExpression.Expression = "value"
oExpression.AllowSplitter = 2
oExpression.SplitPaneHeight = 196

16:
How do I determine the word from the cursor
/*begin event Click() - Occurs when the user presses and then releases the left mouse button over the list control.*/
/*
	oExpression = ole_1.Object
	MessageBox("Information",string( "Word: " ))
	MessageBox("Information",string( oExpression.WordFromPoint(-1,-1) ))
*/
/*end event Click*/

OleObject oExpression

oExpression = ole_1.Object
oExpression.Expression = "value"
oExpression.SplitPaneHeight = 196
oExpression.Background(1,RGB(240,240,240))
oExpression.AllowSplitter = 2

15:
How can I check if the expression is valid/syntactically correct
/*begin event Change() - Indicates that the control's text has changed.*/
/*
	oExpression = ole_1.Object
	MessageBox("Information",string( "Valid: " ))
	MessageBox("Information",string( String(oExpression.IsValid) ))
*/
/*end event Change*/

OleObject oExpression

oExpression = ole_1.Object
oExpression.Expression = "value"
oExpression.SplitPaneHeight = 196
oExpression.Background(1,RGB(240,240,240))
oExpression.AllowSplitter = 2

14:
How can I change the visual appearance of the horizontal splitter

OleObject oExpression

oExpression = ole_1.Object
oExpression.Expression = "value"
oExpression.SplitPaneHeight = 196
oExpression.Background(1,RGB(240,240,240))
oExpression.AllowSplitter = 2

13:
How can I change the visual appearance of the vertical splitter

OleObject oExpression

oExpression = ole_1.Object
oExpression.Expression = "value"
oExpression.SplitPaneWidth = 196
oExpression.Background(0,RGB(240,240,240))

12:
How can I add a new menu-item to control's context menu
/*begin event ExecuteContextMenu(string  Item,long  Position) - Occurs when the user selects an user item from the control's context menu.*/
/*
	oExpression = ole_1.Object
	MessageBox("Information",string( "ExecuteContextMenu: " ))
	MessageBox("Information",string( String(Item) ))
*/
/*end event ExecuteContextMenu*/

OleObject oExpression

oExpression = ole_1.Object
oExpression.Expression = "value + 100"
oExpression.ContextMenuItems = "Test"

11:
How can I change the tooltip that shows when cursor hovers a keyword

OleObject oExpression

oExpression = ole_1.Object
oExpression.Expression = "value"
oExpression.Description(0,"This is a bit of text to be shown when cursor hovers the <b>value</b> keyword.")
oExpression.Refresh()

10:
How do I check if the expression is correct
OleObject oExpression

oExpression = ole_1.Object
oExpression.Expression = "currency(value)"
MessageBox("Information",string( String(oExpression.IsValid) ))

9:
How do I programmatically evaluate the expression
OleObject oExpression

oExpression = ole_1.Object
oExpression.Expression = "currency(value)"
MessageBox("Information",string( String(oExpression.Evaluate("value=100")) ))

8:
How can I assign multiple values for variables %1, %2, ...

OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "currency(%1 + %2)"
oExpression.EvaluationText = "%1 = 100;%2 = 200"

7:
How can I change the values to show the result
OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "currency(value)"
oExpression.EvaluationText = "value = 100"

6:
How can I prevent changing the color when expression is invalid
OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "value 2"
oExpression.ForeColorInvalid = RGB(0,0,0)

5:
How can I change the color when expression is invalid
OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "value 2"
oExpression.ForeColorInvalid = RGB(255,0,0)

4:
How can I prevent evaluation the selection

OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "value + 1"
oExpression.EvaluateSelection = false
oExpression.HideSelection = false
oExpression.SelLength = 1

3:
How can I programatically show the result
OleObject oExpression

oExpression = ole_1.Object
oExpression.SplitPaneWidth = 196
oExpression.Expression = "value"

2:
How can I get ride of the right-vertical line/split
OleObject oExpression

oExpression = ole_1.Object
oExpression.AllowSplitter = 0
oExpression.Expression = "value + 1"

1:
How can I change the control's background
OleObject oExpression

oExpression = ole_1.Object
oExpression.Expression = "value"
oExpression.BackColor = RGB(240,240,240)