100
How can I programmatically change the column where incremental searching is performed

extree1.Columns.Add("Column 1");
extree1.Columns.Add("Column 2");
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.set_CellCaption(var_Items.AddItem("Item 1"),1,"SubItem 1");
extree1.SearchColumnIndex = 1;

99
How do I disable the full-row selection in the control

extree1.FullRowSelect = false;
extree1.Columns.Add("Column");
extree1.Items.AddItem("One");
extree1.Items.AddItem("Two");

98
Is there any option to specify the height of the items, before adding them

extree1.DefaultItemHeight = 32;
extree1.Columns.Add("Column");
extree1.Items.AddItem("One");
extree1.Items.AddItem("Two");

97
How do lock / fix some columns to the control, so I can see them all the time, event if I scroll the columns

extree1.CountLockedColumns = 1;
extree1.BackColorLock = Color.FromArgb(240,240,240);
extree1.ColumnAutoResize = false;
(extree1.Columns.Add("Locked") as exontrol.EXTREELib.Column).Width = 128;
(extree1.Columns.Add("Un-Locked 1") as exontrol.EXTREELib.Column).Width = 128;
(extree1.Columns.Add("Un-Locked 2") as exontrol.EXTREELib.Column).Width = 128;
(extree1.Columns.Add("Un-Locked 3") as exontrol.EXTREELib.Column).Width = 128;
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.set_CellCaption(var_Items.AddItem("locked"),1,"unlocked");

96
How do I change the control's background / foreground color on the locked area

extree1.CountLockedColumns = 1;
extree1.ForeColorLock = Color.FromArgb(240,240,240);
extree1.BackColorLock = Color.FromArgb(128,128,128);
extree1.ColumnAutoResize = false;
(extree1.Columns.Add("Locked") as exontrol.EXTREELib.Column).Width = 128;
(extree1.Columns.Add("Un-Locked 1") as exontrol.EXTREELib.Column).Width = 128;
(extree1.Columns.Add("Un-Locked 2") as exontrol.EXTREELib.Column).Width = 128;
(extree1.Columns.Add("Un-Locked 3") as exontrol.EXTREELib.Column).Width = 128;
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.set_CellCaption(var_Items.AddItem("locked"),1,"unlocked");

95
How do I change the control's foreground color

extree1.ForeColor = Color.FromArgb(120,120,120);
extree1.Columns.Add("Column");
extree1.Items.AddItem("item");

94
How do I change the control's background color

extree1.BackColor = Color.FromArgb(200,200,200);

93
How do I use my own icons for my radio buttons

extree1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
extree1.set_RadioImage(false,1);
extree1.set_RadioImage(true,2);
(extree1.Columns.Add("Radio") as exontrol.EXTREELib.Column).set_Def(exontrol.EXTREELib.DefColumnEnum.exCellHasRadioButton,true);
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.AddItem("Radio 1");
	var_Items.set_CellState(var_Items.AddItem("Radio 2"),0,1);
	var_Items.AddItem("Radio 3");

92
How do I use my own icons for checkbox cells

extree1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
extree1.set_CheckImage(exontrol.EXTREELib.CheckStateEnum.Unchecked,1);
extree1.set_CheckImage(exontrol.EXTREELib.CheckStateEnum.Checked,2);
(extree1.Columns.Add("Check") as exontrol.EXTREELib.Column).set_Def(exontrol.EXTREELib.DefColumnEnum.exCellHasCheckBox,true);
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.AddItem("Check 1");
	var_Items.set_CellState(var_Items.AddItem("Check 2"),0,1);

91
How do I perform my own sorting when user clicks the column's header

extree1.SortOnClick = exontrol.EXTREELib.SortOnClickEnum.exUserSort;
extree1.Columns.Add("Column");
extree1.Items.AddItem("Item 1");
extree1.Items.AddItem("Item 2");

90
How do I disable sorting a specified column when clicking its header
extree1.Columns.Add("1");
(extree1.Columns.Add("NoSort") as exontrol.EXTREELib.Column).AllowSort = false;

89
How do I disable sorting the columns when clicking the control's header
extree1.SortOnClick = exontrol.EXTREELib.SortOnClickEnum.exNoSort;
extree1.Columns.Add("1");
extree1.Columns.Add("2");

88
How do I put a picture on the center of the control

extree1.Picture = (extree1.ExecuteTemplate("loadpicture(`c:\\exontrol\\images\\zipdisk.gif`)") as stdole.IPictureDisp);
extree1.PictureDisplay = exontrol.EXTREELib.PictureDisplayEnum.MiddleCenter;

87
How do I resize/stretch a picture on the control's background

extree1.Picture = (extree1.ExecuteTemplate("loadpicture(`c:\\exontrol\\images\\zipdisk.gif`)") as stdole.IPictureDisp);
extree1.PictureDisplay = exontrol.EXTREELib.PictureDisplayEnum.Stretch;

86
How do I put a picture on the control's center right bottom side

extree1.Picture = (extree1.ExecuteTemplate("loadpicture(`c:\\exontrol\\images\\zipdisk.gif`)") as stdole.IPictureDisp);
extree1.PictureDisplay = exontrol.EXTREELib.PictureDisplayEnum.LowerRight;

85
How do I put a picture on the control's center left bottom side

extree1.Picture = (extree1.ExecuteTemplate("loadpicture(`c:\\exontrol\\images\\zipdisk.gif`)") as stdole.IPictureDisp);
extree1.PictureDisplay = exontrol.EXTREELib.PictureDisplayEnum.LowerLeft;

84
How do I put a picture on the control's center top side

extree1.Picture = (extree1.ExecuteTemplate("loadpicture(`c:\\exontrol\\images\\zipdisk.gif`)") as stdole.IPictureDisp);
extree1.PictureDisplay = exontrol.EXTREELib.PictureDisplayEnum.UpperCenter;

83
How do I put a picture on the control's right top corner

extree1.Picture = (extree1.ExecuteTemplate("loadpicture(`c:\\exontrol\\images\\zipdisk.gif`)") as stdole.IPictureDisp);
extree1.PictureDisplay = exontrol.EXTREELib.PictureDisplayEnum.UpperRight;

82
How do I put a picture on the control's left top corner

extree1.Picture = (extree1.ExecuteTemplate("loadpicture(`c:\\exontrol\\images\\zipdisk.gif`)") as stdole.IPictureDisp);
extree1.PictureDisplay = exontrol.EXTREELib.PictureDisplayEnum.UpperLeft;

81
How do I put a picture on the control's background

extree1.Picture = (extree1.ExecuteTemplate("loadpicture(`c:\\exontrol\\images\\zipdisk.gif`)") as stdole.IPictureDisp);

80
How do I sort descending a column, and put the sorting icon in the column's header

extree1.Columns.Add("Column");
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");
	var_Items.AddItem("Item 3");
extree1.Columns[0].SortOrder = exontrol.EXTREELib.SortOrderEnum.SortDescending;

79
How do I sort ascending a column, and put the sorting icon in the column's header

extree1.Columns.Add("Column");
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.AddItem("Item 3");
	var_Items.AddItem("Item 1");
	var_Items.AddItem("Item 2");
extree1.Columns[0].SortOrder = exontrol.EXTREELib.SortOrderEnum.SortAscending;

78
How do I perform my own/custom sort, using my extra strings

(extree1.Columns.Add("desc") as exontrol.EXTREELib.Column).SortType = exontrol.EXTREELib.SortTypeEnum.SortUserData;
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.set_CellData(var_Items.AddItem("A"),0,"C");
	var_Items.set_CellData(var_Items.AddItem("B"),0,"B");
	var_Items.set_CellData(var_Items.AddItem("C"),0,"A");
	var_Items.SortChildren(0,0,false);

77
How do I perform my own/custom sort, using my extra numbers

(extree1.Columns.Add("desc") as exontrol.EXTREELib.Column).SortType = exontrol.EXTREELib.SortTypeEnum.SortUserData;
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.set_CellData(var_Items.AddItem(0),0,2);
	var_Items.set_CellData(var_Items.AddItem(1),0,1);
	var_Items.set_CellData(var_Items.AddItem(2),0,0);
	var_Items.SortChildren(0,0,false);

76
By default, the column gets sorted as strings, so how do I sort a column by time only

(extree1.Columns.Add("desc") as exontrol.EXTREELib.Column).SortType = exontrol.EXTREELib.SortTypeEnum.SortTime;
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.AddItem("11:00");
	var_Items.AddItem("10:10");
	var_Items.AddItem("12:12");
	var_Items.SortChildren(0,0,false);

75
By default, the column gets sorted as strings, so how do I sort a column by date and time

(extree1.Columns.Add("desc") as exontrol.EXTREELib.Column).SortType = exontrol.EXTREELib.SortTypeEnum.SortDateTime;
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.AddItem("1/1/2001 11:00");
	var_Items.AddItem("1/1/2001 10:10");
	var_Items.AddItem("1/3/2003");
	var_Items.SortChildren(0,0,false);

74
By default, the column gets sorted as strings, so how do I sort a column by dates

(extree1.Columns.Add("desc") as exontrol.EXTREELib.Column).SortType = exontrol.EXTREELib.SortTypeEnum.SortDate;
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.AddItem("1/1/2001");
	var_Items.AddItem("1/2/2002");
	var_Items.AddItem("1/3/2003");
	var_Items.SortChildren(0,0,false);

73
How do I sort a column by numbers

(extree1.Columns.Add("desc") as exontrol.EXTREELib.Column).SortType = exontrol.EXTREELib.SortTypeEnum.SortNumeric;
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.AddItem(1);
	var_Items.AddItem(5);
	var_Items.AddItem(10);
	var_Items.SortChildren(0,0,false);

72
How do I hide the control's header bar

extree1.HeaderVisible = false;

71
How do change the visual appearance for the control's header bar, using EBN

extree1.VisualAppearance.Add(1,"c:\\exontrol\\images\\normal.ebn");
extree1.BackColorHeader32 = 0x1000000;

70
How do I remove the control's border
extree1.Appearance = exontrol.EXTREELib.AppearanceEnum.None2;

69
I have a hierarchy and I need to filter only root items that match, with thier childs

extree1.LinesAtRoot = exontrol.EXTREELib.LinesAtRootEnum.exLinesAtRoot;
extree1.FilterInclude = exontrol.EXTREELib.FilterIncludeEnum.exRootsWithChilds;
exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exFilter;
	var_Column.Filter = "R1";
exontrol.EXTREELib.Items var_Items = extree1.Items;
	int h = var_Items.AddItem("R1");
	var_Items.InsertItem(h,null,"C1");
	var_Items.InsertItem(h,null,"C2");
	var_Items.set_ExpandItem(h,true);
	h = var_Items.AddItem("R2");
	var_Items.InsertItem(h,null,"C1");
	var_Items.InsertItem(h,null,"C2");
extree1.ApplyFilter();

68
I have a hierarchy and I need to filter only root items that match, without thier childs

extree1.LinesAtRoot = exontrol.EXTREELib.LinesAtRootEnum.exLinesAtRoot;
extree1.FilterInclude = exontrol.EXTREELib.FilterIncludeEnum.exRootsWithoutChilds;
exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exFilter;
	var_Column.Filter = "R1";
exontrol.EXTREELib.Items var_Items = extree1.Items;
	int h = var_Items.AddItem("R1");
	var_Items.InsertItem(h,null,"C1");
	var_Items.InsertItem(h,null,"C2");
	var_Items.set_ExpandItem(h,true);
	h = var_Items.AddItem("R2");
	var_Items.InsertItem(h,null,"C1");
	var_Items.InsertItem(h,null,"C2");
extree1.ApplyFilter();

67
I have a hierarchy and I need to filter only parent items that match, including thier childs

extree1.LinesAtRoot = exontrol.EXTREELib.LinesAtRootEnum.exLinesAtRoot;
extree1.FilterInclude = exontrol.EXTREELib.FilterIncludeEnum.exItemsWithChilds;
exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exFilter;
	var_Column.Filter = "R1";
exontrol.EXTREELib.Items var_Items = extree1.Items;
	int h = var_Items.AddItem("R1");
	var_Items.InsertItem(h,null,"C1");
	var_Items.InsertItem(h,null,"C2");
	var_Items.set_ExpandItem(h,true);
	h = var_Items.AddItem("R2");
	var_Items.InsertItem(h,null,"C1");
	var_Items.InsertItem(h,null,"C2");
extree1.ApplyFilter();

66
How can I get ride/hide of the "Filter For" field

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.DisplayFilterPattern = false;

65
Is there any way to get listed only visible items in the drop down filter window

extree1.LinesAtRoot = exontrol.EXTREELib.LinesAtRootEnum.exLinesAtRoot;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarAll,"");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarBlanks,"");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarNonBlanks,"");
exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("P1") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.DisplayFilterPattern = false;
	var_Column.FilterList = exontrol.EXTREELib.FilterListEnum.exVisibleItems;
exontrol.EXTREELib.Column var_Column1 = (extree1.Columns.Add("P2") as exontrol.EXTREELib.Column);
	var_Column1.DisplayFilterButton = true;
	var_Column1.DisplayFilterPattern = false;
exontrol.EXTREELib.Items var_Items = extree1.Items;
	int h = var_Items.AddItem("R1");
	var_Items.set_CellCaption(h,1,"R2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Cell 1.1"),1,"Cell 1.2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Cell 2.1"),1,"Cell 2.2");

64
How do I filter for items that match exactly the specified string

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exFilter;
	var_Column.Filter = "Item 1";
extree1.Items.AddItem("Item 1");
extree1.Items.AddItem("Item 2");
extree1.Items.AddItem("Item 3");
extree1.ApplyFilter();

63
How can I can I programmatically filter for items with a specified icon assigned

extree1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exImage;
	var_Column.Filter = 1.ToString();
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.set_CellImage(var_Items.AddItem("Image 1"),0,1);
	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);
extree1.ApplyFilter();

62
How can I can I programmatically filter the checked items

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.set_Def(exontrol.EXTREELib.DefColumnEnum.exCellHasCheckBox,true);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exCheck;
	var_Column.Filter = 0.ToString();
extree1.Items.AddItem(0);
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.set_CellState(var_Items.AddItem(1),0,1);
extree1.Items.AddItem(2);
extree1.ApplyFilter();

61
How can I can I filter programmatically the items based on some numerichal rules

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exNumeric;
	var_Column.Filter = "> 0 <= 1";
extree1.Items.AddItem(0);
extree1.Items.AddItem(1);
extree1.Items.AddItem(2);
extree1.ApplyFilter();

60
How can I can I filter programmatically the items based on a range/interval of dates

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.DisplayFilterDate = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exDate;
	var_Column.Filter = "1/1/2001 to 1/1/2002";
extree1.Items.AddItem("1/1/2001");
extree1.Items.AddItem("2/1/2002");
extree1.ApplyFilter();

59
How can I can I filter programmatically given a specified pattern using wild characters like * or

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exPattern;
	var_Column.Filter = "0*";
extree1.Items.AddItem(0);
extree1.Items.AddItem("00");
extree1.Items.AddItem(1);
extree1.Items.AddItem("11");
extree1.ApplyFilter();

58
How can I can I select programmatically "Blanks/NonBlanks" option in the column's drop down filter

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exBlanks;
extree1.ApplyFilter();

57
How can I display the column's filter

(extree1.Columns.Add("") as exontrol.EXTREELib.Column).DisplayFilterButton = true;

56
How can I show only the vertical scroll bar

extree1.ColumnAutoResize = true;
extree1.ScrollBars = exontrol.EXTREELib.ScrollBarsEnum.exDisableNoVertical;
extree1.Columns.Add(1.ToString());
extree1.Columns.Add(2.ToString());

55
How can I show the control's grid lines only for added/visible items

extree1.MarkSearchColumn = false;
extree1.DrawGridLines = exontrol.EXTREELib.GridLinesEnum.exRowLines;
extree1.Columns.Add("Column 1");
extree1.Columns.Add("Column 2");
extree1.Items.AddItem(0);
extree1.Items.AddItem(1);
extree1.Items.AddItem(2);

54
Can I hide the hierarchy lines

extree1.LinesAtRoot = exontrol.EXTREELib.LinesAtRootEnum.exGroupLinesAtRoot;
extree1.HasLines = exontrol.EXTREELib.HierarchyLineEnum.exNoLine;
extree1.Columns.Add("Column");
exontrol.EXTREELib.Items var_Items = extree1.Items;
	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);
	h = var_Items.AddItem("Root 2");
	var_Items.InsertItem(h,null,"Child");

53
Can I change the style or type for the hierarchy lines

extree1.LinesAtRoot = exontrol.EXTREELib.LinesAtRootEnum.exGroupLinesAtRoot;
extree1.HasLines = exontrol.EXTREELib.HierarchyLineEnum.exThinLine;
extree1.Columns.Add("Column");
exontrol.EXTREELib.Items var_Items = extree1.Items;
	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);
	h = var_Items.AddItem("Root 2");
	var_Items.InsertItem(h,null,"Child");

52
Can I use my own icons for the +/- ( expand/collapse ) buttons

extree1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
extree1.LinesAtRoot = exontrol.EXTREELib.LinesAtRootEnum.exGroupLinesAtRoot;
extree1.HasButtons = exontrol.EXTREELib.ExpandButtonEnum.exCustom;
extree1.set_HasButtonsCustom(false,1);
extree1.set_HasButtonsCustom(true,2);
extree1.Columns.Add("Column");
exontrol.EXTREELib.Items var_Items = extree1.Items;
	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);
	h = var_Items.AddItem("Root 2");
	var_Items.InsertItem(h,null,"Child");

51
How do I change visual appearance of the +/- ( expand/collapse ) buttons

extree1.LinesAtRoot = exontrol.EXTREELib.LinesAtRootEnum.exGroupLinesAtRoot;
extree1.HasButtons = exontrol.EXTREELib.ExpandButtonEnum.exWPlus;
extree1.Columns.Add("Column");
exontrol.EXTREELib.Items var_Items = extree1.Items;
	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);
	h = var_Items.AddItem("Root 2");
	var_Items.InsertItem(h,null,"Child");

50
How can I change the "IsChecked/IsUnchecked" caption in the control's filter bar, when I filter for checked items

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exCheck;
	var_Column.Filter = 0.ToString();
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarIsChecked,"Check_On");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarIsUnchecked,"Check_Off");
extree1.ApplyFilter();

49
How can I change the "Checked" caption in the drop down filter window, when I filter for checked items

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exCheck;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarChecked,"with check on");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarUnchecked,"with check off");

48
How can I change the name of the week days in the drop down calendar window, being displayed when I filter items between dates

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.DisplayFilterDate = true;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarDateWeekDays,"Du Lu Ma Mi Jo Vi Si");
extree1.ApplyFilter();

47
How can I change the name of the months in the drop down calendar window, being displayed when I filter items between dates

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.DisplayFilterDate = true;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarDateMonths,"Janvier Février Mars Avril Mai Juin Juillet Août Septembre Octobre Novembre Décembre");
extree1.ApplyFilter();

46
Can I change the "Today" caption being displayed in the drop down calendar, when I filter for dates

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.DisplayFilterDate = true;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarDateTodayCaption,"Azi");
extree1.ApplyFilter();

45
The drop down filter window displays a "to" string between two datem when I filter dates. Can I change that

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.DisplayFilterDate = true;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarDateTo,"->");
extree1.ApplyFilter();

44
How can I filter the items that are between an interval/range of dates

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.DisplayFilterDate = true;
extree1.ApplyFilter();

43
Can I change the "Date:" caption when the column's drop down filter window is shown

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.DisplayFilterDate = true;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarDate,"Range");
extree1.ApplyFilter();

42
Can I filter for values using OR - NOT , instead AND operator

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exBlanks;
exontrol.EXTREELib.Column var_Column1 = (extree1.Columns.Add("Column 2") as exontrol.EXTREELib.Column);
	var_Column1.DisplayFilterButton = true;
	var_Column1.FilterType = exontrol.EXTREELib.FilterTypeEnum.exBlanks;
exontrol.EXTREELib.Column var_Column2 = (extree1.Columns.Add("Column 3") as exontrol.EXTREELib.Column);
	var_Column2.DisplayFilterButton = true;
	var_Column2.FilterType = exontrol.EXTREELib.FilterTypeEnum.exBlanks;
extree1.FilterCriteria = "%0 or not %1 and %2";
extree1.ApplyFilter();

41
Can I change the NOT string in the filter bar

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exBlanks;
exontrol.EXTREELib.Column var_Column1 = (extree1.Columns.Add("Column 2") as exontrol.EXTREELib.Column);
	var_Column1.DisplayFilterButton = true;
	var_Column1.FilterType = exontrol.EXTREELib.FilterTypeEnum.exNonBlanks;
extree1.FilterCriteria = "not %0 or %1";
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarNot," ! ");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarIsNonBlank," ! IsBlank");
extree1.ApplyFilter();

40
Can I change the OR string in the filter bar

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exBlanks;
exontrol.EXTREELib.Column var_Column1 = (extree1.Columns.Add("Column 2") as exontrol.EXTREELib.Column);
	var_Column1.DisplayFilterButton = true;
	var_Column1.FilterType = exontrol.EXTREELib.FilterTypeEnum.exNonBlanks;
extree1.FilterCriteria = "%0 or %1";
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarOr," | ");
extree1.ApplyFilter();

39
Can I change the AND string in the filter bar

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exBlanks;
exontrol.EXTREELib.Column var_Column1 = (extree1.Columns.Add("Column 2") as exontrol.EXTREELib.Column);
	var_Column1.DisplayFilterButton = true;
	var_Column1.FilterType = exontrol.EXTREELib.FilterTypeEnum.exNonBlanks;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarAnd," & ");
extree1.ApplyFilter();

38
The "IsBlank" caption shown in the control's filterbar when I select "Blanks" or "NonBlanks" items in the column's drop down filter window

exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Column") as exontrol.EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = exontrol.EXTREELib.FilterTypeEnum.exBlanks;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarIsBlank,"Is Empty");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarIsNonBlank,"Is Not Empty");
extree1.ApplyFilter();

37
Is there any option to remove the tooltip when the cursor hovers the column's drop down filter window
(extree1.Columns.Add("Column") as exontrol.EXTREELib.Column).DisplayFilterButton = true;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarFilterTitle,"");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarPatternFilterTitle,"");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarTooltip,"");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarPatternTooltip,"");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarFilterForTooltip,"");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarDateTooltip,"");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarDateTitle,"");

36
How can I change the "Filter For" caption in the column's drop down filter window

(extree1.Columns.Add("Column") as exontrol.EXTREELib.Column).DisplayFilterButton = true;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarFilterForCaption,"new caption");

35
Can I remove the "All", "Blanks" and "NonBlanks" items in the drop down filter window

(extree1.Columns.Add("Column") as exontrol.EXTREELib.Column).DisplayFilterButton = true;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarAll,"");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarBlanks,"");
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarNonBlanks,"");

34
How do I change the "All", "Blanks" or/and "NonBlanks" caption in the drop down filter window

(extree1.Columns.Add("Column") as exontrol.EXTREELib.Column).DisplayFilterButton = true;
extree1.set_Description(exontrol.EXTREELib.DescriptionTypeEnum.exFilterBarAll,"new name for (All)");

33
How can I change the position of the column

extree1.Columns.Add("Column 1");
(extree1.Columns.Add("Column 2") as exontrol.EXTREELib.Column).Position = 0;

32
Can I make strikeout the column's header

(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).HeaderStrikeOut = true;

31
How can I apply an strikeout font only a portion of the column's header

(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).HTMLCaption = "<s>Col</s>umn 1";

30
How can I get underlined only a portion of column's header

(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).HTMLCaption = "<u>Col</u>umn 1";

29
How can I underline the column's header

(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).HeaderUnderline = true;

28
How can I apply an italic font only a portion of the column's header

(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).HTMLCaption = "<i>Col</i>umn 1";

27
Is there any option to make italic the column's header

(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).HeaderItalic = true;

26
How can I bold only a portion of the column's header

(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).HTMLCaption = "<b>Col</b>umn 1";

25
Is there any option to bold the column's header

(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).HeaderBold = true;

24
Why child items are not shown

extree1.LinesAtRoot = exontrol.EXTREELib.LinesAtRootEnum.exLinesAtRoot;
extree1.Columns.Add("Column 1");
exontrol.EXTREELib.Items var_Items = extree1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertItem(h,null,"Child 1");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.set_ExpandItem(h,true);

23
Does your control support partial-check ( three states ) feature for each column

extree1.LinesAtRoot = exontrol.EXTREELib.LinesAtRootEnum.exLinesAtRoot;
exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("P1") as exontrol.EXTREELib.Column);
	var_Column.set_Def(exontrol.EXTREELib.DefColumnEnum.exCellHasCheckBox,true);
	var_Column.PartialCheck = true;
exontrol.EXTREELib.Column var_Column1 = (extree1.Columns.Add("P2") as exontrol.EXTREELib.Column);
	var_Column1.set_Def(exontrol.EXTREELib.DefColumnEnum.exCellHasCheckBox,true);
	var_Column1.PartialCheck = true;
exontrol.EXTREELib.Items var_Items = extree1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertItem(h,null,"Child 1");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.set_ExpandItem(h,true);

22
Is there any option to change the color for the grid lines

extree1.Columns.Add("");
extree1.DrawGridLines = exontrol.EXTREELib.GridLinesEnum.exAllLines;
extree1.GridLineColor = Color.FromArgb(255,0,0);

21
Can I change the font to display the column's header

extree1.HeaderHeight = 34;
(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).HTMLCaption = "<font Tahoma;14>Column</font> 1";

20
Can I change the height of the header bar

extree1.HeaderHeight = 32;

19
Can I display multiple icons to the column's header

extree1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).HTMLCaption = "1<img>1</img> 2 <img>2</img>...";

18
How can I draw grid lines only for visible items

extree1.MarkSearchColumn = false;
extree1.DrawGridLines = exontrol.EXTREELib.GridLinesEnum.exRowLines;
extree1.Columns.Add("Column 1");
extree1.Columns.Add("Column 2");
extree1.Items.AddItem(0);
extree1.Items.AddItem(1);
extree1.Items.AddItem(2);

17
How can I show the control's grid lines

extree1.MarkSearchColumn = false;
extree1.DrawGridLines = exontrol.EXTREELib.GridLinesEnum.exAllLines;
extree1.Columns.Add("Column 1");
extree1.Columns.Add("Column 2");
extree1.Items.AddItem(0);
extree1.Items.AddItem(1);
extree1.Items.AddItem(2);

16
How can I assign a different background color for the entire column

extree1.MarkSearchColumn = false;
(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).set_Def(exontrol.EXTREELib.DefColumnEnum.exCellBackColor,255);
extree1.Columns.Add("Column 2");
extree1.Items.AddItem(0);
extree1.Items.AddItem(1);
extree1.Items.AddItem(2);

15
How can I assign a check box for a cell

extree1.Columns.Add("Column 1");
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.AddItem(0);
	var_Items.set_CellHasCheckBox(var_Items.AddItem(1),0,true);
	var_Items.AddItem(2);

14
How can I assign checkboxes for the entire column

(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).set_Def(exontrol.EXTREELib.DefColumnEnum.exCellHasCheckBox,true);
extree1.Items.AddItem(0);
extree1.Items.AddItem(1);
extree1.Items.AddItem(2);

13
How can I show both scrollbars
extree1.ScrollBars = exontrol.EXTREELib.ScrollBarsEnum.exDisableBoth;

12
How can I change the column's width

extree1.ColumnAutoResize = false;
(extree1.Columns.Add("Column 1") as exontrol.EXTREELib.Column).Width = 64;
(extree1.Columns.Add("Column 2") as exontrol.EXTREELib.Column).Width = 128;

11
How can I show or hide a column
(extree1.Columns.Add("Hidden") as exontrol.EXTREELib.Column).Visible = false;

10
How can I hide the searching column
extree1.MarkSearchColumn = false;
extree1.Columns.Add("Column 1");
extree1.Columns.Add("Column 2");
extree1.Items.AddItem(null);

9
Can I disable sorting a column, when the user clicks the column's header, or drag it to the sort bar
(extree1.Columns.Add("Unsortable") as exontrol.EXTREELib.Column).AllowSort = false;
extree1.Columns.Add("Sortable");

8
Is there any option to align the header to the left and the data to the right

(extree1.Columns.Add("Left") as exontrol.EXTREELib.Column).Alignment = exontrol.EXTREELib.AlignmentEnum.LeftAlignment;
exontrol.EXTREELib.Column var_Column = (extree1.Columns.Add("Right") as exontrol.EXTREELib.Column);
	var_Column.Alignment = exontrol.EXTREELib.AlignmentEnum.RightAlignment;
	var_Column.HeaderAlignment = exontrol.EXTREELib.AlignmentEnum.RightAlignment;
exontrol.EXTREELib.Items var_Items = extree1.Items;
	var_Items.set_CellCaption(var_Items.AddItem("left"),1,"right");

7
Can I displays a custom size picture to column's header

extree1.set_HTMLPicture("pic1","c:\\exontrol\\images\\zipdisk.gif");
extree1.HeaderHeight = 48;
(extree1.Columns.Add("ColumnName") as exontrol.EXTREELib.Column).HTMLCaption = "<b>HTML</b> Column <img>pic1</img> Picture";

6
How can I insert an icon to column's header

extree1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
(extree1.Columns.Add("ColumnName") as exontrol.EXTREELib.Column).HTMLCaption = "<b>HTML</b> Column <img>1</img> Icon";

5
How can I insert an icon to column's header

extree1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
(extree1.Columns.Add("ColumnName") as exontrol.EXTREELib.Column).HeaderImage = 1;

4
How can I use HTML format in column's header

(extree1.Columns.Add("ColumnName") as exontrol.EXTREELib.Column).HTMLCaption = "<b>HTML</b> <fgcolor=0000FF>Col</fgcolor>umn";

3
How can I change/rename the column's name

(extree1.Columns.Add("ColumnName") as exontrol.EXTREELib.Column).Caption = "NewName";

2
How can I add multiple columns

exontrol.EXTREELib.Columns var_Columns = extree1.Columns;
	var_Columns.Add("Column 1");
	var_Columns.Add("Column 2");

1
How can I add a new column

extree1.Columns.Add("ColumnName");