400:
How can I display the column using currency format and enlarge the font for certain values

exontrol.EXCOMBOBOXLib.Column var_Column = (excombobox1.Columns.Add("Currency") as exontrol.EXCOMBOBOXLib.Column);
	var_Column.set_Def(exontrol.EXCOMBOBOXLib.DefColumnEnum.exCellCaptionFormat,1);
	var_Column.FormatColumn = "len(value) ? ((0:=dbl(value)) < 10 ? '<fgcolor=808080><font ;7>' : '<b>') + currency(=:0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("1.23");
	var_Items.AddItem("2.34");
	var_Items.AddItem("9.94");
	var_Items.AddItem("11.94");
	var_Items.AddItem("1000");

399:
How can I get the number of occurrences of a specified string in the cell

excombobox1.Columns.Add("");
exontrol.EXCOMBOBOXLib.Column var_Column = (excombobox1.Columns.Add("occurrences") as exontrol.EXCOMBOBOXLib.Column);
	var_Column.ComputedField = "lower(%0) count 'o'";
	var_Column.FormatColumn = "'contains ' + value + ' of \\'o\\' chars'";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertItem(h,null,"Child 1 oooof the root");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.InsertItem(h,null,"Child 3");
	var_Items.set_ExpandItem(h,true);

398:
How can I display dates in my format

exontrol.EXCOMBOBOXLib.Column var_Column = (excombobox1.Columns.Add("Date") as exontrol.EXCOMBOBOXLib.Column);
	var_Column.set_Def(exontrol.EXCOMBOBOXLib.DefColumnEnum.exCellCaptionFormat,1);
	var_Column.FormatColumn = "'<b>' + year(0:=date(value)) + '</b><fgcolor=808080><font ;6> (' + month(=:0) + ' - ' + day(=:0) +')'";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/21/2001",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/22/2002",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/13/2003",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/24/2004",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

397:
How can I display dates in short format

(excombobox1.Columns.Add("Date") as exontrol.EXCOMBOBOXLib.Column).FormatColumn = "shortdate(value)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/1/2001",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/2/2002",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/3/2003",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/4/2004",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

396:
How can I display dates in long format

(excombobox1.Columns.Add("Date") as exontrol.EXCOMBOBOXLib.Column).FormatColumn = "longdate(value)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/1/2001",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/2/2002",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/3/2003",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/4/2004",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

395:
How can I display only the right part of the cell

excombobox1.Columns.Add("");
exontrol.EXCOMBOBOXLib.Column var_Column = (excombobox1.Columns.Add("Right") as exontrol.EXCOMBOBOXLib.Column);
	var_Column.ComputedField = "%0 right 2";
	var_Column.FormatColumn = "'\"' + value + '\"'";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertItem(h,null,"Child 1");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.InsertItem(h,null,"SChild 3");
	var_Items.set_ExpandItem(h,true);

394:
How can I display only the left part of the cell

excombobox1.Columns.Add("");
(excombobox1.Columns.Add("Left") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "%0 left 2";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertItem(h,null,"Child 1");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.InsertItem(h,null,"SChild 3");
	var_Items.set_ExpandItem(h,true);

393:
How can I display true or false instead 0 and -1

(excombobox1.Columns.Add("Boolean") as exontrol.EXCOMBOBOXLib.Column).FormatColumn = "value != 0 ? 'true' : 'false'";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(true);
	var_Items.AddItem(false);
	var_Items.AddItem(true);
	var_Items.AddItem(0);
	var_Items.AddItem(1);

392:
How can I display icons or images instead numbers

excombobox1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
exontrol.EXCOMBOBOXLib.Column var_Column = (excombobox1.Columns.Add("Icons") as exontrol.EXCOMBOBOXLib.Column);
	var_Column.set_Def(exontrol.EXCOMBOBOXLib.DefColumnEnum.exCellCaptionFormat,1);
	var_Column.FormatColumn = "'The cell displays the icon <img>'+value+'</img> instead ' + value";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(1);
	var_Items.AddItem(2);
	var_Items.AddItem(3);

391:
How can I display the column using currency

(excombobox1.Columns.Add("Currency") as exontrol.EXCOMBOBOXLib.Column).FormatColumn = "currency(dbl(value))";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("1.23");
	var_Items.AddItem("2.34");
	var_Items.AddItem("0");
	var_Items.AddItem(5);
	var_Items.AddItem("10000.99");

390:
How can I display the currency only for not empty cells

excombobox1.Columns.Add("Number");
(excombobox1.Columns.Add("Currency") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "len(%0) ? currency(dbl(%0)) : ''";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("1.23");
	var_Items.AddItem("2.34");
	var_Items.AddItem("0");
	var_Items.set_ItemBackColor(var_Items.AddItem(null),Color.FromArgb(255,128,128));
	var_Items.AddItem("10000.99");

389:
Is there a function to display the number of days between two date including the number of hours

(excombobox1.Columns.Add("Start") as exontrol.EXCOMBOBOXLib.Column).Width = 32;
excombobox1.Columns.Add("End");
(excombobox1.Columns.Add("Duration") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "2:=((1:=int(0:= date(%1)-date(%0))) = 0 ? '' : str(=:1) + ' day(s)') + ( 3:=round(24*(=:0-floor(=:0))) ? (len(=:2) ? ' and ' : " +
"'') + =:3 + ' hour(s)' : '' )";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem(Convert.ToDateTime("1/11/2001",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.set_CellCaption(h,1,Convert.ToDateTime("1/14/2001",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	h = var_Items.AddItem(Convert.ToDateTime("2/22/2002 12:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.set_CellCaption(h,1,Convert.ToDateTime("3/14/2002 13:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	h = var_Items.AddItem(Convert.ToDateTime("3/13/2003",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.set_CellCaption(h,1,Convert.ToDateTime("4/11/2003 11:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

388:
Is there a function to display the number of days between two date including the number of hours

excombobox1.Columns.Add("Start");
excombobox1.Columns.Add("End");
(excombobox1.Columns.Add("Duration") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "\"D \" + int(date(%1)-date(%0)) + \" H \" + round(24*(date(%1)-date(%0) - floor(date(%1)-date(%0))))";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem(Convert.ToDateTime("1/11/2001",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.set_CellCaption(h,1,Convert.ToDateTime("1/14/2001 23:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	h = var_Items.AddItem(Convert.ToDateTime("2/22/2002 12:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.set_CellCaption(h,1,Convert.ToDateTime("3/14/2002 13:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	h = var_Items.AddItem(Convert.ToDateTime("3/13/2003",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.set_CellCaption(h,1,Convert.ToDateTime("4/11/2003 11:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

387:
How can I display the number of days between two dates

excombobox1.Columns.Add("Start");
excombobox1.Columns.Add("End");
(excombobox1.Columns.Add("Duration") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "(date(%1)-date(%0)) + ' days'";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem(Convert.ToDateTime("1/11/2001",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.set_CellCaption(h,1,Convert.ToDateTime("1/14/2001",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	h = var_Items.AddItem(Convert.ToDateTime("2/22/2002",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.set_CellCaption(h,1,Convert.ToDateTime("3/14/2002",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	h = var_Items.AddItem(Convert.ToDateTime("3/13/2003",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.set_CellCaption(h,1,Convert.ToDateTime("4/11/2003",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

386:
How can I get second part of the date

excombobox1.Columns.Add("Date");
(excombobox1.Columns.Add("Second") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "sec(date(%0))";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/11/2001 10:10:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/22/2002 11:01:22",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/13/2003 12:23:01",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/14/2004 13:11:59",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

385:
How can I get minute part of the date

excombobox1.Columns.Add("Date");
(excombobox1.Columns.Add("Minute") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "min(date(%0))";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/11/2001 10:10:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/22/2002 11:01:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/13/2003 12:23:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/14/2004 13:11:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

384:
How can I check the hour part only so I know it was afternoon

excombobox1.ConditionalFormats.Add("hour(%0)>=12",null).Bold = true;
excombobox1.Columns.Add("Date");
(excombobox1.Columns.Add("Hour") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "hour(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/11/2001 10:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/22/2002 11:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/13/2003 12:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/14/2004 13:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

383:
What about a function to get the day in the week, or days since Sunday

excombobox1.Columns.Add("Date");
(excombobox1.Columns.Add("WeekDay") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "weekday(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/11/2001 10:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/22/2002 11:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/13/2003 12:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/14/2004 13:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

382:
Is there any function to get the day of the year or number of days since January 1st

excombobox1.Columns.Add("Date");
(excombobox1.Columns.Add("Day since January 1st") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "yearday(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/11/2001 10:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/22/2002 11:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/13/2003 12:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/14/2004 13:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

381:
How can I display only the day of the date

excombobox1.Columns.Add("Date");
(excombobox1.Columns.Add("Day") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "day(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/11/2001 10:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/22/2002 11:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/13/2003 12:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/14/2004 13:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

380:
How can I display only the month of the date

excombobox1.Columns.Add("Date");
(excombobox1.Columns.Add("Month") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "month(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/1/2001 10:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/2/2002 11:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/3/2003 12:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/4/2004 13:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

379:
How can I get only the year part from a date expression

excombobox1.Columns.Add("Date");
(excombobox1.Columns.Add("Year") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "year(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/1/2001 10:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/2/2002 11:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/3/2003 12:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/4/2004 13:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

378:
Can I convert the expression to date

excombobox1.Columns.Add("Number");
(excombobox1.Columns.Add("Date") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "date(dbl(%0))";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("-1.98");
	var_Items.AddItem("30000.99");
	var_Items.AddItem("3561.23");
	var_Items.AddItem("1232.34");

377:
Can I convert the expression to a number, double or float

excombobox1.Columns.Add("Number");
(excombobox1.Columns.Add("Number + 2") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "dbl(%0)+2";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("-1.98");
	var_Items.AddItem("0.99");
	var_Items.AddItem("1.23");
	var_Items.AddItem("2.34");

376:
How can I display dates in long format

excombobox1.Columns.Add("Date");
(excombobox1.Columns.Add("LongFormat") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "longdate(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/1/2001 10:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/2/2002 11:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/3/2003 12:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/4/2004 13:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

375:
How can I display dates in short format

excombobox1.Columns.Add("Date");
(excombobox1.Columns.Add("ShortFormat") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "shortdate(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/1/2001 10:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/2/2002 11:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/3/2003 12:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/4/2004 13:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

374:
How can I display the time only of a date expression

excombobox1.Columns.Add("Date");
(excombobox1.Columns.Add("Time") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "'time is:' + time(date(%0))";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem(Convert.ToDateTime("1/1/2001 10:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("2/2/2002 11:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("3/3/2003 12:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));
	var_Items.AddItem(Convert.ToDateTime("4/4/2004 13:00:00",System.Globalization.CultureInfo.GetCultureInfo("en-US")));

373:
Is there any function to display currencies, or money formatted as in the control panel

excombobox1.Columns.Add("Number");
(excombobox1.Columns.Add("Currency") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "currency(dbl(%0))";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("1.23");
	var_Items.AddItem("2.34");
	var_Items.AddItem("10000.99");

372:
How can I convert the expression to a string so I can look into the date string expression for month's name

excombobox1.Columns.Add("Number");
(excombobox1.Columns.Add("Str") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "str(%0) + ' AA'";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("-1.98");
	var_Items.AddItem("0.99");
	var_Items.AddItem("1.23");
	var_Items.AddItem("2.34");

371:
Can I display the absolute value or positive part of the number

excombobox1.Columns.Add("Number");
(excombobox1.Columns.Add("Abs") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "abs(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("-1.98");
	var_Items.AddItem("0.99");
	var_Items.AddItem("1.23");
	var_Items.AddItem("2.34");

370:
Is there any function to get largest number with no fraction part that is not greater than the value

excombobox1.Columns.Add("Number");
(excombobox1.Columns.Add("Floor") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "floor(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("-1.98");
	var_Items.AddItem("0.99");
	var_Items.AddItem("1.23");
	var_Items.AddItem("2.34");

369:
Is there any function to round the values base on the .5 value

excombobox1.Columns.Add("Number");
(excombobox1.Columns.Add("Round") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "round(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("-1.98");
	var_Items.AddItem("0.99");
	var_Items.AddItem("1.23");
	var_Items.AddItem("2.34");

368:
How can I get or display the integer part of the cell

excombobox1.Columns.Add("Number");
(excombobox1.Columns.Add("Int") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "int(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("-1.98");
	var_Items.AddItem("0.99");
	var_Items.AddItem("1.23");
	var_Items.AddItem("2.34");

367:
How can I display names as proper ( first leter of the word must be in uppercase, and the rest in lowercase )

(excombobox1.Columns.Add("") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "proper(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("root");
	var_Items.InsertItem(h,null,"child child");
	var_Items.InsertItem(h,null,"child child");
	var_Items.InsertItem(h,null,"child child");
	var_Items.set_ExpandItem(h,true);

366:
Is there any option to display cells in uppercase

(excombobox1.Columns.Add("") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "upper(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertItem(h,null,"Child 1");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.InsertItem(h,null,"Chld 3");
	var_Items.set_ExpandItem(h,true);

365:
Is there any option to display cells in lowercase

(excombobox1.Columns.Add("") as exontrol.EXCOMBOBOXLib.Column).ComputedField = "lower(%0)";
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertItem(h,null,"Child 1");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.InsertItem(h,null,"Chld 3");
	var_Items.set_ExpandItem(h,true);

364:
How can I mark the cells that has a specified type, ie strings only

excombobox1.ConditionalFormats.Add("type(%0) = 8",null).ForeColor = Color.FromArgb(255,0,0);
excombobox1.Columns.Add("");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertItem(h,null,"Child 1");
	var_Items.InsertItem(h,null,2);
	var_Items.InsertItem(h,null,"Chld 3");
	var_Items.set_ExpandItem(h,true);

363:
How can I bold the items that contains data or those who displays empty strings

excombobox1.ConditionalFormats.Add("not len(%1)=0",null).Bold = true;
excombobox1.Columns.Add("C1");
excombobox1.Columns.Add("C2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertItem(h,null,"Child 1");
	int hC = var_Items.InsertItem(h,null,"Child 2");
	var_Items.set_CellCaption(hC,1,"1");
	var_Items.InsertItem(h,null,"Child 3");
	var_Items.set_ExpandItem(h,true);

362:
Can I change the background color for items or cells that contains a specified string

excombobox1.ConditionalFormats.Add("%0 contains 'hi'",null).BackColor = Color.FromArgb(255,0,0);
excombobox1.Columns.Add("");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertItem(h,null,"Child 1");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.InsertItem(h,null,"Chld 3");
	var_Items.set_ExpandItem(h,true);

361:
Is there any option to change the fore color for cells or items that ends with a specified string

excombobox1.ConditionalFormats.Add("%0 endwith '22'",null).ForeColor = Color.FromArgb(255,0,0);
excombobox1.Columns.Add("");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertItem(h,null,"Child 1");
	var_Items.InsertItem(h,null,"Child 1.22");
	var_Items.InsertItem(h,null,"Child 2.22");
	var_Items.set_ExpandItem(h,true);

360:
How can I highlight the cells or items that starts with a specified string

excombobox1.ConditionalFormats.Add("%0 startwith 'C'",null).Underline = true;
excombobox1.Columns.Add("");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertItem(h,null,"Child 1");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.InsertItem(h,null,"SChild 3");
	var_Items.set_ExpandItem(h,true);

359:
How can I change the background color or the visual appearance using ebn for a particular column

excombobox1.VisualAppearance.Add(1,"c:\\exontrol\\images\\normal.ebn");
exontrol.EXCOMBOBOXLib.Columns var_Columns = excombobox1.Columns;
	var_Columns.Add("Column 1");
	(var_Columns.Add("Column 2") as exontrol.EXCOMBOBOXLib.Column).set_Def(exontrol.EXCOMBOBOXLib.DefColumnEnum.exHeaderBackColor,16777216);
	(var_Columns.Add("Column 3") as exontrol.EXCOMBOBOXLib.Column).set_Def(exontrol.EXCOMBOBOXLib.DefColumnEnum.exHeaderBackColor,16777471);
	var_Columns.Add("Column 4");

358:
How can I change the background color for a particular column

exontrol.EXCOMBOBOXLib.Columns var_Columns = excombobox1.Columns;
	var_Columns.Add("Column 1");
	(var_Columns.Add("Column 2") as exontrol.EXCOMBOBOXLib.Column).set_Def(exontrol.EXCOMBOBOXLib.DefColumnEnum.exHeaderBackColor,8439039);
	var_Columns.Add("Column 3");

357:
Does your control support prompt feature

excombobox1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
excombobox1.AutoComplete = false;
(excombobox1.Columns.Add("Column 1") as exontrol.EXCOMBOBOXLib.Column).Prompt = "<img>1</img><i><fgcolor=808080>type to search</fgcolor></i>";
excombobox1.Items.AddItem(0);
excombobox1.Items.AddItem(1);
excombobox1.Items.AddItem(2);

356:
How can I display the column's header using multiple lines

excombobox1.HeaderHeight = 128;
excombobox1.HeaderSingleLine = false;
(excombobox1.Columns.Add("This is just a column that should break the header.") as exontrol.EXCOMBOBOXLib.Column).Width = 32;
excombobox1.Columns.Add("This is just another column that should break the header.");

355:
How can I sort the value gets listed in the drop down filter window

excombobox1.LinesAtRoot = exontrol.EXCOMBOBOXLib.LinesAtRootEnum.exLinesAtRoot;
excombobox1.MarkSearchColumn = false;
excombobox1.set_Description(exontrol.EXCOMBOBOXLib.DescriptionTypeEnum.exFilterBarAll,"");
excombobox1.set_Description(exontrol.EXCOMBOBOXLib.DescriptionTypeEnum.exFilterBarBlanks,"");
excombobox1.set_Description(exontrol.EXCOMBOBOXLib.DescriptionTypeEnum.exFilterBarNonBlanks,"");
exontrol.EXCOMBOBOXLib.Column var_Column = (excombobox1.Columns.Add("P1") as exontrol.EXCOMBOBOXLib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.DisplayFilterPattern = false;
	var_Column.FilterList = exontrol.EXCOMBOBOXLib.FilterListEnum.exSortItemsDesc;
exontrol.EXCOMBOBOXLib.Column var_Column1 = (excombobox1.Columns.Add("P2") as exontrol.EXCOMBOBOXLib.Column);
	var_Column1.DisplayFilterButton = true;
	var_Column1.DisplayFilterPattern = false;
	var_Column1.FilterList = exontrol.EXCOMBOBOXLib.FilterListEnum.exSortItemsAsc;
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Z3");
	var_Items.set_CellCaption(h,1,"C");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Z1"),1,"B");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Z2"),1,"A");
	var_Items.set_ExpandItem(h,true);

354:
Is there any property to disable the popup/context menu being shown when the user does a right click in the control's label area

(excombobox1.Columns.Add("Default") as exontrol.EXCOMBOBOXLib.Column).AllowEditContextMenu = false;
excombobox1.Items.AddItem(0);
excombobox1.Items.AddItem(1);
excombobox1.Items.AddItem(2);

353:
How can I align the text/caption on the scroll bar

excombobox1.set_ScrollPartCaption(exontrol.EXCOMBOBOXLib.ScrollBarEnum.exHScroll,exontrol.EXCOMBOBOXLib.ScrollPartEnum.exLowerBackPart,"left");
excombobox1.set_ScrollPartCaptionAlignment(exontrol.EXCOMBOBOXLib.ScrollBarEnum.exHScroll,exontrol.EXCOMBOBOXLib.ScrollPartEnum.exLowerBackPart,exontrol.EXCOMBOBOXLib.AlignmentEnum.LeftAlignment);
excombobox1.set_ScrollPartCaption(exontrol.EXCOMBOBOXLib.ScrollBarEnum.exHScroll,exontrol.EXCOMBOBOXLib.ScrollPartEnum.exUpperBackPart,"right");
excombobox1.set_ScrollPartCaptionAlignment(exontrol.EXCOMBOBOXLib.ScrollBarEnum.exHScroll,exontrol.EXCOMBOBOXLib.ScrollPartEnum.exUpperBackPart,exontrol.EXCOMBOBOXLib.AlignmentEnum.RightAlignment);
excombobox1.ColumnAutoResize = false;
excombobox1.Columns.Add(1.ToString());
excombobox1.Columns.Add(2.ToString());
excombobox1.Columns.Add(3.ToString());
excombobox1.Columns.Add(4.ToString());
excombobox1.Columns.Add(5.ToString());
excombobox1.Columns.Add(6.ToString());

352:
Does you control support RTL languages or if there is a property RightToLeft

excombobox1.RightToLeft = true;
excombobox1.ItemsAllowSizing = exontrol.EXCOMBOBOXLib.ItemsAllowSizingEnum.exResizeItem;
excombobox1.DrawGridLines = exontrol.EXCOMBOBOXLib.GridLinesEnum.exHLines;
excombobox1.LinesAtRoot = exontrol.EXCOMBOBOXLib.LinesAtRootEnum.exLinesAtRoot;
excombobox1.ScrollBySingleLine = true;
excombobox1.DefaultItemHeight = 64;
exontrol.EXCOMBOBOXLib.Column var_Column = (excombobox1.Columns.Add("Column") as exontrol.EXCOMBOBOXLib.Column);
	var_Column.Alignment = exontrol.EXCOMBOBOXLib.AlignmentEnum.RightAlignment;
	var_Column.HeaderAlignment = exontrol.EXCOMBOBOXLib.AlignmentEnum.RightAlignment;
	var_Column.EditAlignment = exontrol.EXCOMBOBOXLib.AlignmentEnum.RightAlignment;
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 1");
	var_Items.set_ItemHeight(var_Items.InsertItem(var_Items.AddItem("Parent"),null,"Item 2"),48);
	var_Items.AddItem("Item 3");
	var_Items.set_ExpandItem(var_Items[1],true);

351:
How do I enable resizing all the items at runtime

excombobox1.ItemsAllowSizing = exontrol.EXCOMBOBOXLib.ItemsAllowSizingEnum.exResizeAllItems;
excombobox1.DrawGridLines = exontrol.EXCOMBOBOXLib.GridLinesEnum.exHLines;
excombobox1.Columns.Add("Column");
excombobox1.Items.AddItem("Item 1");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.set_ItemHeight(var_Items.AddItem("Item 2"),48);
excombobox1.Items.AddItem("Item 3");

350:
How can I remove the filter

exontrol.EXCOMBOBOXLib.Column var_Column = (excombobox1.Columns.Add("Column") as exontrol.EXCOMBOBOXLib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXCOMBOBOXLib.FilterTypeEnum.exBlanks;
excombobox1.ApplyFilter();
excombobox1.ClearFilter();

349:
How do I display the icons being selected in the control's label

excombobox1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.set_CellImage(var_Items.AddItem("Image 1"),0,1);
	var_Items.set_CellImage(var_Items.AddItem("Image 2"),0,2);
	var_Items.set_CellImage(var_Items.AddItem("Image 3"),0,3);
excombobox1.set_AssignEditImageOnSelect(0,true);
excombobox1.Value = "Image 2";

348:
How do I select a value

excombobox1.IntegralHeight = true;
excombobox1.LinesAtRoot = exontrol.EXCOMBOBOXLib.LinesAtRootEnum.exGroupLinesAtRoot;
excombobox1.TreeColumnIndex = 1;
excombobox1.Columns.Add("Column 1");
excombobox1.Columns.Add("Column 2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root 1.1");
	var_Items.set_CellCaption(h,1,"Root 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 2.1"),1,"Child 2.2");
	var_Items.set_ExpandItem(h,true);
	h = var_Items.AddItem("Root 2.1");
	var_Items.set_CellCaption(h,1,"Root 2.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");
excombobox1.Value = "Root 1.1";

347:
How do I select a value

excombobox1.IntegralHeight = true;
excombobox1.LinesAtRoot = exontrol.EXCOMBOBOXLib.LinesAtRootEnum.exGroupLinesAtRoot;
excombobox1.TreeColumnIndex = 1;
excombobox1.Columns.Add("Column 1");
excombobox1.Columns.Add("Column 2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root 1.1");
	var_Items.set_CellCaption(h,1,"Root 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 2.1"),1,"Child 2.2");
	var_Items.set_ExpandItem(h,true);
	h = var_Items.AddItem("Root 2.1");
	var_Items.set_CellCaption(h,1,"Root 2.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");
excombobox1.set_Select(1,"Root 1.2");

346:
How do change the visual appearance for the drop down border, using EBN

excombobox1.VisualAppearance.Add(1,"c:\\exontrol\\images\\normal.ebn");
excombobox1.DropDownBorder = (exontrol.EXCOMBOBOXLib.AppearanceEnum)0x1000000;

345:
How do I remove the drop down's border

excombobox1.DropDownBorder = exontrol.EXCOMBOBOXLib.AppearanceEnum.None2;

344:
How can I change the foreground color for edit controls

excombobox1.ForeColorEdit = Color.FromArgb(255,0,0);
excombobox1.IntegralHeight = true;
excombobox1.LinesAtRoot = exontrol.EXCOMBOBOXLib.LinesAtRootEnum.exGroupLinesAtRoot;
excombobox1.TreeColumnIndex = 1;
excombobox1.Columns.Add("Column 1");
excombobox1.Columns.Add("Column 2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root 1.1");
	var_Items.set_CellCaption(h,1,"Root 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 2.1"),1,"Child 2.2");
	var_Items.set_ExpandItem(h,true);
	h = var_Items.AddItem("Root 2.1");
	var_Items.set_CellCaption(h,1,"Root 2.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");
excombobox1.set_Select(0,"Root 1.1");

343:
How can I change the background color for edit controls

excombobox1.BackColorEdit = Color.FromArgb(255,0,0);
excombobox1.IntegralHeight = true;
excombobox1.LinesAtRoot = exontrol.EXCOMBOBOXLib.LinesAtRootEnum.exGroupLinesAtRoot;
excombobox1.TreeColumnIndex = 1;
excombobox1.Columns.Add("Column 1");
excombobox1.Columns.Add("Column 2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root 1.1");
	var_Items.set_CellCaption(h,1,"Root 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 2.1"),1,"Child 2.2");
	var_Items.set_ExpandItem(h,true);
	h = var_Items.AddItem("Root 2.1");
	var_Items.set_CellCaption(h,1,"Root 2.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");
excombobox1.set_Select(0,"Root 1.1");

342:
How can I hide the drop down buttons when the control loses the focus

excombobox1.HideDropDownButton = true;
excombobox1.IntegralHeight = true;
excombobox1.LinesAtRoot = exontrol.EXCOMBOBOXLib.LinesAtRootEnum.exGroupLinesAtRoot;
excombobox1.TreeColumnIndex = 1;
excombobox1.Columns.Add("Column 1");
excombobox1.Columns.Add("Column 2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root 1.1");
	var_Items.set_CellCaption(h,1,"Root 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 2.1"),1,"Child 2.2");
	var_Items.set_ExpandItem(h,true);
	h = var_Items.AddItem("Root 2.1");
	var_Items.set_CellCaption(h,1,"Root 2.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");

341:
How can I ensure that the drop down portions doesn't show partial items

excombobox1.IntegralHeight = true;
excombobox1.LinesAtRoot = exontrol.EXCOMBOBOXLib.LinesAtRootEnum.exGroupLinesAtRoot;
excombobox1.TreeColumnIndex = 1;
excombobox1.Columns.Add("Column 1");
excombobox1.Columns.Add("Column 2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root 1.1");
	var_Items.set_CellCaption(h,1,"Root 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 2.1"),1,"Child 2.2");
	var_Items.set_ExpandItem(h,true);
	h = var_Items.AddItem("Root 2.1");
	var_Items.set_CellCaption(h,1,"Root 2.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");

340:
How can I close the drop down window when user double clicks it

excombobox1.CloseOnDblClk = true;
excombobox1.LinesAtRoot = exontrol.EXCOMBOBOXLib.LinesAtRootEnum.exGroupLinesAtRoot;
excombobox1.TreeColumnIndex = 1;
excombobox1.Columns.Add("Column 1");
excombobox1.Columns.Add("Column 2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Root 1.1");
	var_Items.set_CellCaption(h,1,"Root 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 2.1"),1,"Child 2.2");
	var_Items.set_ExpandItem(h,true);
	h = var_Items.AddItem("Root 2.1");
	var_Items.set_CellCaption(h,1,"Root 2.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Child 1.1"),1,"Child 1.2");

339:
How do I get the handle of the drop down window

excombobox1.Columns.Add(excombobox1.hWndDropDown.ToString());

338:
How do I specify the height of the control's label

excombobox1.LabelHeight = 34;
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");

337:
The control selects the portion of text that doesn't match with the selected item. How can I avoid that

excombobox1.AutoSelect = false;
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");

336:
How can I show the drop down window as soon as user starts typing in the control

excombobox1.AutoDropDown = true;
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");

335:
How do I change the text in the edit or label area

excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");
excombobox1.set_EditText(0,"Test");

334:
How do I lock or make read-only the control

excombobox1.Locked = true;
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");

333:
How do I let user to resize only the height of the drop down window, at runtime

excombobox1.AllowSizeGrip = true;
excombobox1.AllowHResize = false;
excombobox1.MinWidthList = 100;
excombobox1.MinHeightList = 100;
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");

332:
How do I let user to resize only the width of the drop down window, at runtime

excombobox1.AllowSizeGrip = true;
excombobox1.AllowVResize = false;
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");

331:
How do I let user to resize the drop down window, at runtime

excombobox1.AllowSizeGrip = true;
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");

330:
How do I specify the height of the drop down window

excombobox1.set_HeightList(null,400);
excombobox1.MinWidthList = 100;
excombobox1.AllowSizeGrip = true;
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");

329:
How do I specify the minimum height of the drop down window

excombobox1.MinHeightList = 100;
excombobox1.AllowSizeGrip = true;
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");

328:
How do I specify the width of the drop down window

excombobox1.set_WidthList(null,100);
excombobox1.AllowSizeGrip = true;
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");

327:
How do I specify the minimum width of the drop down window

excombobox1.MinWidthList = 100;
excombobox1.AllowSizeGrip = true;
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");

326:
I have multiple columns, how can I display a single edit in the control's label

excombobox1.SingleEdit = true;
excombobox1.Columns.Add("Column 1");
excombobox1.Columns.Add("Column 2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.set_CellCaption(var_Items.AddItem("Item 1"),1,"SubItem 1");
	var_Items.set_CellCaption(var_Items.AddItem("Item 2"),1,"SubItem 2");
	var_Items.set_CellCaption(var_Items.AddItem("Item 3"),1,"SubItem 3");

325:
How do I turn off the auto complete feature

excombobox1.AutoComplete = false;
excombobox1.Columns.Add("Column");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");

324:
The control supports three styles: Simple, DropDown and DropDownList. How can I change the style

excombobox1.Style = exontrol.EXCOMBOBOXLib.StyleEnum.DropDownList;

323:
Is there any option to align the header to the left and the data to the right

(excombobox1.Columns.Add("Left") as exontrol.EXCOMBOBOXLib.Column).Alignment = exontrol.EXCOMBOBOXLib.AlignmentEnum.LeftAlignment;
exontrol.EXCOMBOBOXLib.Column var_Column = (excombobox1.Columns.Add("Right") as exontrol.EXCOMBOBOXLib.Column);
	var_Column.Alignment = exontrol.EXCOMBOBOXLib.AlignmentEnum.RightAlignment;
	var_Column.HeaderAlignment = exontrol.EXCOMBOBOXLib.AlignmentEnum.RightAlignment;
	var_Column.EditAlignment = exontrol.EXCOMBOBOXLib.AlignmentEnum.RightAlignment;
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.set_CellCaption(var_Items.AddItem("left"),1,"right");

322:
How do I change the control's border, using your EBN files

excombobox1.VisualAppearance.Add(1,"c:\\exontrol\\images\\normal.ebn");
excombobox1.Appearance = (exontrol.EXCOMBOBOXLib.AppearanceEnum)0x1000000;

321:
Can I change the default border of the tooltip, using your EBN files

excombobox1.ToolTipDelay = 1;
excombobox1.ToolTipWidth = 364;
excombobox1.VisualAppearance.Add(1,"c:\\exontrol\\images\\normal.ebn");
excombobox1.set_Background32(exontrol.EXCOMBOBOXLib.BackgroundPartEnum.exToolTipAppearance,0x1000000);
(excombobox1.Columns.Add("tootip") as exontrol.EXCOMBOBOXLib.Column).ToolTip = "this is a tooltip assigned to a column";

320:
Can I change the background color for the tooltip

excombobox1.ToolTipDelay = 1;
excombobox1.ToolTipWidth = 364;
excombobox1.set_Background(exontrol.EXCOMBOBOXLib.BackgroundPartEnum.exToolTipBackColor,Color.FromArgb(255,0,0));
(excombobox1.Columns.Add("tootip") as exontrol.EXCOMBOBOXLib.Column).ToolTip = "this is a tooltip assigned to a column";

319:
Does the tooltip support HTML format

excombobox1.ToolTipDelay = 1;
excombobox1.ToolTipWidth = 364;
(excombobox1.Columns.Add("tootip") as exontrol.EXCOMBOBOXLib.Column).ToolTip = "<font Tahoma;11>T</font>his is an HTML <b>tooltip</b> assigned to a <fgcolor=FF0000>column</fgcolor>";

318:
Can I change the forecolor for the tooltip

excombobox1.ToolTipDelay = 1;
excombobox1.ToolTipWidth = 364;
excombobox1.set_Background(exontrol.EXCOMBOBOXLib.BackgroundPartEnum.exToolTipForeColor,Color.FromArgb(255,0,0));
(excombobox1.Columns.Add("tootip") as exontrol.EXCOMBOBOXLib.Column).ToolTip = "this is a tooltip assigned to a column";

317:
Can I change the foreground color for the tooltip

excombobox1.ToolTipDelay = 1;
excombobox1.ToolTipWidth = 364;
(excombobox1.Columns.Add("tootip") as exontrol.EXCOMBOBOXLib.Column).ToolTip = "<fgcolor=FF0000>this is a tooltip assigned to a column</fgcolor>";

316:
How can I merge cells

excombobox1.DrawGridLines = exontrol.EXCOMBOBOXLib.GridLinesEnum.exAllLines;
excombobox1.MarkSearchColumn = false;
excombobox1.Columns.Add("C1");
excombobox1.Columns.Add("C2");
excombobox1.Columns.Add("C3");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("this cell merges the first two columns");
	var_Items.set_CellMerge(h,0,1);
	h = var_Items.AddItem(null);
	var_Items.set_CellCaption(h,1,"this cell merges the last two columns");
	var_Items.set_CellMerge(h,1,2);
	h = var_Items.AddItem("this cell merges the all three columns");
	var_Items.set_CellMerge(h,0,1);
	var_Items.set_CellMerge(h,0,2);
	h = var_Items.AddItem("this draws a divider item");
	var_Items.set_ItemDivider(h,0);

315:
How can I merge cells

excombobox1.MarkSearchColumn = false;
excombobox1.TreeColumnIndex = -1;
excombobox1.Columns.Add("C1");
excombobox1.Columns.Add("C2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Cell 1");
	var_Items.set_CellCaption(h,1,"This is bit of text that's shown on multiple lines. This is bit of text that's shown on multiple lines.");
	var_Items.set_CellSingleLine(h,1,false);
	h = var_Items.AddItem("This is bit of text merges all cells in the item");
	var_Items.set_ItemDivider(h,0);
	var_Items.set_CellHAlignment(h,0,exontrol.EXCOMBOBOXLib.AlignmentEnum.CenterAlignment);

314:
How can I change the color for separator / dividers items

excombobox1.MarkSearchColumn = false;
excombobox1.TreeColumnIndex = -1;
excombobox1.ScrollBySingleLine = false;
excombobox1.Columns.Add("C1");
excombobox1.Columns.Add("C2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Cell 1");
	var_Items.set_CellCaption(h,1,"This is bit of text that's shown on multiple lines. This is bit of text that's shown on multiple lines.");
	var_Items.set_CellSingleLine(h,1,false);
	h = var_Items.AddItem(null);
	var_Items.set_ItemDivider(h,0);
	var_Items.set_ItemDividerLine(h,exontrol.EXCOMBOBOXLib.DividerLineEnum.DoubleDotLine);
	var_Items.set_ItemDividerLineAlignment(h,exontrol.EXCOMBOBOXLib.DividerAlignmentEnum.DividerCenter);
	var_Items.set_ItemHeight(h,6);
	var_Items.set_SelectableItem(h,false);
	h = var_Items.AddItem("Cell 2");
	var_Items.set_CellCaption(h,1,"This is bit of text that's shown on multiple lines. This is bit of text that's shown on multiple lines.");
	var_Items.set_CellSingleLine(h,1,false);

313:
How can I add separator - dividers items

excombobox1.MarkSearchColumn = false;
excombobox1.TreeColumnIndex = -1;
excombobox1.ScrollBySingleLine = false;
excombobox1.Columns.Add("C1");
excombobox1.Columns.Add("C2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Cell 1");
	var_Items.set_CellCaption(h,1,"This is bit of text that's shown on multiple lines. This is bit of text that's shown on multiple lines.");
	var_Items.set_CellSingleLine(h,1,false);
	h = var_Items.AddItem(null);
	var_Items.set_ItemDivider(h,0);
	var_Items.set_ItemDividerLine(h,exontrol.EXCOMBOBOXLib.DividerLineEnum.DoubleDotLine);
	var_Items.set_ItemDividerLineAlignment(h,exontrol.EXCOMBOBOXLib.DividerAlignmentEnum.DividerCenter);
	var_Items.set_ItemHeight(h,6);
	var_Items.set_SelectableItem(h,false);
	h = var_Items.AddItem("Cell 2");
	var_Items.set_CellCaption(h,1,"This is bit of text that's shown on multiple lines. This is bit of text that's shown on multiple lines.");
	var_Items.set_CellSingleLine(h,1,false);

312:
Can I change the style of the line being displayed by a divider item

excombobox1.MarkSearchColumn = false;
excombobox1.TreeColumnIndex = -1;
excombobox1.ScrollBySingleLine = false;
excombobox1.Columns.Add("C1");
excombobox1.Columns.Add("C2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Cell 1");
	var_Items.set_CellCaption(h,1,"This is bit of text that's shown on multiple lines. This is bit of text that's shown on multiple lines.");
	var_Items.set_CellSingleLine(h,1,false);
	h = var_Items.AddItem("This is bit of text that's displayed on the entire item, divider.");
	var_Items.set_ItemDivider(h,0);
	var_Items.set_ItemDividerLine(h,exontrol.EXCOMBOBOXLib.DividerLineEnum.DoubleDotLine);
	var_Items.set_CellHAlignment(h,0,exontrol.EXCOMBOBOXLib.AlignmentEnum.CenterAlignment);
	var_Items.set_ItemHeight(h,24);

311:
Can I remove the line being displayed by a divider item

excombobox1.MarkSearchColumn = false;
excombobox1.TreeColumnIndex = -1;
excombobox1.Columns.Add("C1");
excombobox1.Columns.Add("C2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Cell 1");
	var_Items.set_CellCaption(h,1,"This is bit of text that's shown on multiple lines. This is bit of text that's shown on multiple lines.");
	var_Items.set_CellSingleLine(h,1,false);
	h = var_Items.AddItem("This is bit of text that's displayed on the entire item, divider.");
	var_Items.set_ItemDivider(h,0);
	var_Items.set_ItemDividerLine(h,exontrol.EXCOMBOBOXLib.DividerLineEnum.EmptyLine);
	var_Items.set_CellHAlignment(h,0,exontrol.EXCOMBOBOXLib.AlignmentEnum.CenterAlignment);

310:
How can I display a divider item, merging all cells

excombobox1.MarkSearchColumn = false;
excombobox1.TreeColumnIndex = -1;
excombobox1.Columns.Add("C1");
excombobox1.Columns.Add("C2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Cell 1");
	var_Items.set_CellCaption(h,1,"This is bit of text that's shown on multiple lines. This is bit of text that's shown on multiple lines.");
	var_Items.set_CellSingleLine(h,1,false);
	h = var_Items.AddItem("This is bit of text that's displayed on the entire item, divider.");
	var_Items.set_ItemDivider(h,0);
	var_Items.set_CellHAlignment(h,0,exontrol.EXCOMBOBOXLib.AlignmentEnum.CenterAlignment);

309:
How can I fix or lock items

excombobox1.Columns.Add("Default");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.set_LockedItemCount(exontrol.EXCOMBOBOXLib.VAlignmentEnum.exTop,1);
	var_Items.set_CellCaption(var_Items.get_LockedItem(exontrol.EXCOMBOBOXLib.VAlignmentEnum.exTop,0),0,"This is a locked item, fixed to the top side of the control.");
	var_Items.set_ItemBackColor(var_Items.get_LockedItem(exontrol.EXCOMBOBOXLib.VAlignmentEnum.exTop,0),Color.FromArgb(196,196,186));
	var_Items.set_LockedItemCount(exontrol.EXCOMBOBOXLib.VAlignmentEnum.exBottom,2);
	var_Items.set_CellCaption(var_Items.get_LockedItem(exontrol.EXCOMBOBOXLib.VAlignmentEnum.exBottom,0),0,"This is a locked item, fixed to the top side of the control.");
	var_Items.set_ItemBackColor(var_Items.get_LockedItem(exontrol.EXCOMBOBOXLib.VAlignmentEnum.exBottom,0),Color.FromArgb(196,196,186));
	var_Items.set_CellCaption(var_Items.get_LockedItem(exontrol.EXCOMBOBOXLib.VAlignmentEnum.exBottom,1),0,"This is a locked item, fixed to the top side of the control.");
	var_Items.set_ItemBackColor(var_Items.get_LockedItem(exontrol.EXCOMBOBOXLib.VAlignmentEnum.exBottom,1),Color.FromArgb(186,186,186));

308:
How can I fix or lock an item on the bottom side of the control

excombobox1.Columns.Add("Default");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.set_LockedItemCount(exontrol.EXCOMBOBOXLib.VAlignmentEnum.exBottom,1);
	var_Items.set_CellCaption(var_Items.get_LockedItem(exontrol.EXCOMBOBOXLib.VAlignmentEnum.exBottom,0),0,"This is a locked item, fixed to the bottom side of the control.");
	int h = var_Items.AddItem("Root 1");
	var_Items.InsertItem(h,null,"Child 1");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.set_ExpandItem(h,true);

307:
How can I fix or lock an item on the top of the control

excombobox1.Columns.Add("Default");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.set_LockedItemCount(exontrol.EXCOMBOBOXLib.VAlignmentEnum.exTop,1);
	var_Items.set_CellCaption(var_Items.get_LockedItem(exontrol.EXCOMBOBOXLib.VAlignmentEnum.exTop,0),0,"This is a locked item, fixed to the top side of the control.");
	int h = var_Items.AddItem("Root 1");
	var_Items.InsertItem(h,null,"Child 1");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.set_ExpandItem(h,true);

306:
Is there any function to limit the height of the items when I display it using multiple lines

excombobox1.ScrollBySingleLine = true;
excombobox1.Columns.Add("C1");
excombobox1.Columns.Add("C2");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("Cell 1");
	var_Items.set_CellCaption(h,1,"This is bit of text that's shown on multiple lines. This is bit of text that's shown on multiple lines.");
	var_Items.set_CellSingleLine(h,1,false);
	var_Items.set_ItemMaxHeight(h,48);

305:
Why I cannot center my cells in the column

excombobox1.TreeColumnIndex = -1;
excombobox1.DrawGridLines = exontrol.EXCOMBOBOXLib.GridLinesEnum.exRowLines;
(excombobox1.Columns.Add("Default") as exontrol.EXCOMBOBOXLib.Column).Alignment = exontrol.EXCOMBOBOXLib.AlignmentEnum.CenterAlignment;
excombobox1.Items.AddItem("item 1");
excombobox1.Items.AddItem("item 2");
excombobox1.Items.AddItem("item 3");

304:
How can I align the cell to the left, center or to the right

excombobox1.TreeColumnIndex = -1;
excombobox1.DrawGridLines = exontrol.EXCOMBOBOXLib.GridLinesEnum.exRowLines;
excombobox1.Columns.Add("Default");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.set_CellHAlignment(var_Items.AddItem("left"),0,exontrol.EXCOMBOBOXLib.AlignmentEnum.LeftAlignment);
	var_Items.set_CellHAlignment(var_Items.AddItem("center"),0,exontrol.EXCOMBOBOXLib.AlignmentEnum.CenterAlignment);
	var_Items.set_CellHAlignment(var_Items.AddItem("right"),0,exontrol.EXCOMBOBOXLib.AlignmentEnum.RightAlignment);

303:
How do I apply HTML format to a cell

excombobox1.TreeColumnIndex = -1;
excombobox1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
excombobox1.set_HTMLPicture("p1","c:\\exontrol\\images\\zipdisk.gif");
excombobox1.set_HTMLPicture("p2","c:\\exontrol\\images\\auction.gif");
excombobox1.Columns.Add("Default");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	int h = var_Items.AddItem("The following item shows some of the HTML format supported:");
	var_Items.set_CellHAlignment(h,0,exontrol.EXCOMBOBOXLib.AlignmentEnum.CenterAlignment);
	h = var_Items.AddItem("<br>text icons <img>1</img>, <img>2</img>, ... pictures <img>p1</img>, <img>p2</img> <br><br>text <b>bold</b>, <i>italic</i>, <" +
"u>underline</u>, <s>strikeout</s>, ...<br><dotline>and so on...<br> <a>anchor</a> or <a2>hyperlink</a><br><fgcolor=FF0000>fgcolo" +
"r</fgcolor> or <bgcolor=00FF00>bgcolor</bgcolor> ");
	var_Items.set_CellCaptionFormat(h,0,exontrol.EXCOMBOBOXLib.CaptionFormatEnum.exHTML);
	var_Items.set_CellSingleLine(h,0,false);

302:
How can I change the font for a cell

excombobox1.Columns.Add("Default");
excombobox1.Items.AddItem("std font");
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.set_CellCaptionFormat(var_Items.AddItem("this <font tahoma;12>is a bit of text with</font> a different font"),0,exontrol.EXCOMBOBOXLib.CaptionFormatEnum.exHTML);

301:
How can I change the font for a cell

excombobox1.Columns.Add("Default");
excombobox1.Items.AddItem("default font");
stdole.IFontDisp f = new stdole.StdFont();
	f.Name = "Tahoma";
	f.Size = 12;
exontrol.EXCOMBOBOXLib.Items var_Items = excombobox1.Items;
	var_Items.set_CellFont(var_Items.AddItem("new font"),0,(f as stdole.IFontDisp));