300
How do I get the handle of the cell

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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);
	var_Items.set_CellBold(null,var_Items.get_ItemCell(h,0),true);

299
How do I retrieve the focused item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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);
	var_Items.set_ItemBold(var_Items.FocusItem,true);

298
How do I get the number or count of child items

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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);
	var_Items.AddItem(var_Items.get_ChildCount(h));

297
How do I enumerate the visible items

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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.set_ItemBold(var_Items.FirstVisibleItem,true);
	var_Items.set_ItemBold(var_Items.get_NextVisibleItem(var_Items.FirstVisibleItem),true);

296
How do I enumerate the siblings items

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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.set_ItemBold(var_Items.get_NextSiblingItem(var_Items.FirstVisibleItem),true);
	var_Items.set_ItemBold(var_Items.get_PrevSiblingItem(var_Items.get_NextSiblingItem(var_Items.FirstVisibleItem)),true);

295
How do I get the parent item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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);
	var_Items.set_ItemBold(var_Items.get_ItemParent(var_Items.get_ItemChild(h)),true);

294
How do I get the first child item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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);
	var_Items.set_ItemBold(var_Items.get_ItemChild(h),true);

293
How do I enumerate the root items

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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 1");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.set_ItemBold(var_Items.get_RootItem(0),true);
	var_Items.set_ItemUnderline(var_Items.get_RootItem(1),true);

292
I have a hierarchy, how can I count the number of root items

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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 1");
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.AddItem(var_Items.RootCount);

291
How can I make an item unselectable, or not selectable

axTree1.Columns.Add("Column");
EXTREELib.Items var_Items = axTree1.Items;
	int h = var_Items.AddItem("unselectable - you can't get selected");
	var_Items.set_SelectableItem(h,false);
	var_Items.AddItem("selectable");

290
How can I hide or show an item

axTree1.Columns.Add("Column");
EXTREELib.Items var_Items = axTree1.Items;
	int h = var_Items.AddItem("hidden");
	var_Items.set_ItemHeight(h,0);
	var_Items.set_SelectableItem(h,false);
	var_Items.AddItem("visible");

289
How can I change the height for all items

axTree1.DefaultItemHeight = 32;
axTree1.Columns.Add("Column");
axTree1.Items.AddItem("One");
axTree1.Items.AddItem("Two");

288
How do I change the height of an item

axTree1.ScrollBySingleLine = true;
axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_ItemHeight(var_Items.AddItem("height"),128);
axTree1.Items.AddItem("enabled");

287
How do I disable or enable an item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_EnableItem(var_Items.AddItem("disabled"),false);
axTree1.Items.AddItem("enabled");

286
How do I display as strikeout a cell

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellStrikeOut(var_Items.AddItem("strikeout"),0,true);

285
How do I display as strikeout a cell or an item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellCaptionFormat(var_Items.AddItem("gets <s>strikeout</s> only a portion of text"),0,EXTREELib.CaptionFormatEnum.exHTML);

284
How do I display as strikeout an item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_ItemStrikeOut(var_Items.AddItem("strikeout"),true);

283
How do I underline a cell

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellUnderline(var_Items.AddItem("underline"),0,true);

282
How do I underline a cell or an item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellCaptionFormat(var_Items.AddItem("gets <u>underline</u> only a portion of text"),0,EXTREELib.CaptionFormatEnum.exHTML);

281
How do I underline an item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_ItemUnderline(var_Items.AddItem("underline"),true);

280
How do I display as italic a cell

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellItalic(var_Items.AddItem("italic"),0,true);

279
How do I display as italic a cell or an item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellCaptionFormat(var_Items.AddItem("gets <i>italic</i> only a portion of text"),0,EXTREELib.CaptionFormatEnum.exHTML);

278
How do I display as italic an item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_ItemItalic(var_Items.AddItem("italic"),true);

277
How do I bold a cell

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellBold(var_Items.AddItem("bold"),0,true);

276
How do I bold a cell or an item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellCaptionFormat(var_Items.AddItem("gets <b>bold</b> only a portion of text"),0,EXTREELib.CaptionFormatEnum.exHTML);

275
How do I bold an item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_ItemBold(var_Items.AddItem("bold"),true);

274
How do I change the foreground color for the item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	int h = var_Items.AddItem("Root");
	int hC = var_Items.InsertItem(h,null,"Child 1");
	var_Items.set_ItemForeColor(hC,(uint)ColorTranslator.ToWin32(Color.FromArgb(255,0,0)));
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.set_ExpandItem(h,true);

273
How do I change the visual appearance for the item, using your EBN technology

axTree1.VisualAppearance.Add(1,"c:\\exontrol\\images\\normal.ebn");
axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	int h = var_Items.AddItem("Root");
	int hC = var_Items.InsertItem(h,null,"Child 1");
	var_Items.set_ItemBackColor(hC,0x1000000);
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.set_ExpandItem(h,true);

272
How do I change the background color for the item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	int h = var_Items.AddItem("Root");
	int hC = var_Items.InsertItem(h,null,"Child 1");
	var_Items.set_ItemBackColor(hC,(uint)ColorTranslator.ToWin32(Color.FromArgb(255,0,0)));
	var_Items.InsertItem(h,null,"Child 2");
	var_Items.set_ExpandItem(h,true);

271
How do I expand or collapse an item

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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);

270
How do I associate an extra data to an item
axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_ItemData(var_Items.AddItem("item"),"your extra data");

269
How do I get the number or count of items

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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);
EXTREELib.Items var_Items1 = axTree1.Items;
	var_Items1.AddItem(var_Items1.ItemCount);

268
How can I specify the width of the ActiveX control, when using the InsertControlItem property

axTree1.ScrollBySingleLine = false;
axTree1.TreeColumnIndex = 1;
axTree1.DrawGridLines = EXTREELib.GridLinesEnum.exAllLines;
axTree1.Columns.Add("C1");
axTree1.Columns.Add("C2");
axTree1.Columns.Add("C3");
EXTREELib.Items var_Items = axTree1.Items;
	int h = var_Items.InsertControlItem(null,"MSCAL.Calendar",null);
	var_Items.set_ItemWidth(h,128);
	var_Items.set_CellCaption(h,0,"This is a bit of text that is shown in the first column");
	var_Items.set_CellSingleLine(h,0,EXTREELib.CellSingleLineEnum.exCaptionWordWrap);
	var_Items.set_CellCaption(h,2,"This is a bit of text that is shown in the third column");
	var_Items.set_CellSingleLine(h,2,EXTREELib.CellSingleLineEnum.exCaptionWordWrap);

267
How can I put the ActiveX control in a different column, when using the InsertControlItem property

axTree1.ScrollBySingleLine = false;
axTree1.DrawGridLines = EXTREELib.GridLinesEnum.exAllLines;
axTree1.Columns.Add("C1");
axTree1.Columns.Add("C2");
axTree1.Columns.Add("C3");
EXTREELib.Items var_Items = axTree1.Items;
	int h = var_Items.InsertControlItem(null,"MSCAL.Calendar",null);
	var_Items.set_CellCaption(h,0,"This is a bit of text that is shown in the first column");
	var_Items.set_CellSingleLine(h,0,EXTREELib.CellSingleLineEnum.exCaptionWordWrap);
	var_Items.set_ItemWidth(h,-32001);
	var_Items.set_CellCaption(h,2,"This is a bit of text that is shown in the third column");
	var_Items.set_CellSingleLine(h,2,EXTREELib.CellSingleLineEnum.exCaptionWordWrap);

266
Is there any function I can use to get the program or the control identifier I've been using when called the InsertControlItem

axTree1.Columns.Add("Default");
axTree1.ScrollBySingleLine = false;
axTree1.LinesAtRoot = EXTREELib.LinesAtRootEnum.exLinesAtRoot;
EXTREELib.Items var_Items = axTree1.Items;
	int h = var_Items.InsertControlItem(null,"MSCAL.Calendar",null);
	var_Items.InsertItem(h,null,var_Items.get_ItemControlID(h));
	var_Items.set_ExpandItem(h,true);
	h = var_Items.InsertControlItem(null,"MSChart20Lib.MSChart",null);
	var_Items.set_ItemAppearance(h,EXTREELib.AppearanceEnum.Etched);
	var_Items.InsertItem(h,null,var_Items.get_ItemControlID(h));
	var_Items.set_ExpandItem(h,true);

265
How can I change the height of newly created ActiveX control, using the InsertControlItem

axTree1.Columns.Add("Default");
axTree1.ScrollBySingleLine = false;
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_ItemHeight(var_Items.InsertControlItem(null,"MSCAL.Calendar",null),64);
	var_Items.set_ItemAppearance(var_Items.InsertControlItem(null,"MSChart20Lib.MSChart",null),EXTREELib.AppearanceEnum.Etched);

264
How can I change the border for newly created ActiveX control, using the InsertControlItem

axTree1.Columns.Add("Default");
axTree1.ScrollBySingleLine = false;
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_ItemAppearance(var_Items.InsertControlItem(null,"MSCAL.Calendar",null),EXTREELib.AppearanceEnum.Sunken);
	var_Items.set_ItemAppearance(var_Items.InsertControlItem(null,"MSChart20Lib.MSChart",null),EXTREELib.AppearanceEnum.Etched);

263
How can I access the properties and methods for an ActiveX control that I've just added using the InsertControlItem

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	int h = var_Items.AddItem("Root");
	// Add 'Microsoft Calendar Control 2007(MSCAL.OCX)' reference to your project.
	MSACAL.Calendar var_Calendar = (var_Items.get_ItemObject(var_Items.InsertControlItem(h,"MSCAL.Calendar",null)) as MSACAL.Calendar);
		var_Calendar.BackColor = (uint)ColorTranslator.ToWin32(Color.FromArgb(255,255,255));
		var_Calendar.GridCellEffect = 0;
		var_Calendar.ShowTitle = false;
		var_Calendar.ShowDateSelectors = false;
	var_Items.set_ExpandItem(h,true);

262
How can I access the properties and methods for an ActiveX control that I've just added using the InsertControlItem

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	int h = var_Items.AddItem("Root");
	// Add 'Microsoft Calendar Control 2007(MSCAL.OCX)' reference to your project.
	MSACAL.Calendar var_Calendar = (var_Items.get_ItemObject(var_Items.InsertControlItem(h,"MSCAL.Calendar",null)) as MSACAL.Calendar);
		var_Calendar.BackColor = (uint)ColorTranslator.ToWin32(Color.FromArgb(255,255,255));
	var_Items.set_ExpandItem(h,true);

261
How can I insert an ActiveX control

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	int h = var_Items.AddItem("Root");
	var_Items.InsertControlItem(h,"MSCAL.Calendar",null);
	var_Items.set_ExpandItem(h,true);

260
How do I programmatically edit a cell

axTree1.AllowEdit = true;
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.Edit(var_Items.FocusItem,0);

259
How can I change at runtime the parent of the item

axTree1.LinesAtRoot = EXTREELib.LinesAtRootEnum.exLinesAtRoot;
axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	int hP = var_Items.AddItem("Root");
	int hC = var_Items.AddItem("Child");
	var_Items.SetParent(hC,hP);

258
How can I sort the items

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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);
axTree1.Columns["Default"].SortOrder = EXTREELib.SortOrderEnum.SortDescending;

257
How do I sort the child items

axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.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);
	var_Items.SortChildren(h,0,false);

256
How can I ensure or scroll the control so the item fits the control's client area
axTree1.Columns.Add("Default");
int h = axTree1.Items.AddItem("item");
axTree1.Items.EnsureVisibleItem(h);

255
How can I remove or delete all items
axTree1.Columns.Add("Default");
axTree1.Items.AddItem("removed item");
axTree1.Items.RemoveAllItems();

254
How can I remove or delete an item
axTree1.Columns.Add("Default");
int h = axTree1.Items.AddItem("removed item");
axTree1.Items.RemoveItem(h);

253
How can I add or insert child items

axTree1.LinesAtRoot = EXTREELib.LinesAtRootEnum.exLinesAtRoot;
axTree1.Columns.Add("C1");
axTree1.Columns.Add("C2");
EXTREELib.Items var_Items = axTree1.Items;
	int h = var_Items.AddItem("Cell 1");
	var_Items.set_CellCaption(h,1,"Cell 2");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Cell 3"),1,"Cell 4");
	var_Items.set_CellCaption(var_Items.InsertItem(h,null,"Cell 5"),1,"Cell 6");
	var_Items.set_ExpandItem(h,true);

252
How can I add or insert a child item

axTree1.LinesAtRoot = EXTREELib.LinesAtRootEnum.exLinesAtRoot;
axTree1.Columns.Add("Default");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.InsertItem(var_Items.AddItem("root"),null,"child");

251
How can I add or insert an item

axTree1.Columns.Add("C1");
axTree1.Columns.Add("C2");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellCaption(var_Items.AddItem("Cell 1"),1,"Cell 2");
	int h = var_Items.AddItem("Cell 3");
	var_Items.set_CellCaption(h,1,"Cell 4");

250
How can I add or insert an item

axTree1.Columns.Add("Default");
axTree1.Items.AddItem("new item");

249
How can I get the columns as they are shown in the control's sortbar
Object var_Object = (axTree1.Columns.get_ItemBySortPosition(0) as Object);

248
How can I access the properties of a column

axTree1.Columns.Add("A");
axTree1.Columns["A"].HeaderBold = true;

247
How can I remove all the columns
axTree1.Columns.Clear();

246
How can I remove a column
axTree1.Columns.Remove("A");

245
How can I get the number or the count of columns
int var_Count = axTree1.Columns.Count;

244
How can I change the font for all cells in the entire column

stdole.IFontDisp f = new stdole.StdFont() as stdole.IFontDisp;
	f.Name = "Tahoma";
	f.Size = 12;
EXTREELib.ConditionalFormat var_ConditionalFormat = axTree1.ConditionalFormats.Add("1",null);
	var_ConditionalFormat.Font = (f as stdole.IFontDisp);
	var_ConditionalFormat.ApplyTo = EXTREELib.FormatApplyToEnum.exFormatToColumns;
axTree1.Columns.Add("Column");
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

243
How can I change the background color for all cells in the column

EXTREELib.ConditionalFormat var_ConditionalFormat = axTree1.ConditionalFormats.Add("1",null);
	var_ConditionalFormat.BackColor = (uint)ColorTranslator.ToWin32(Color.FromArgb(255,0,0));
	var_ConditionalFormat.ApplyTo = EXTREELib.FormatApplyToEnum.exFormatToColumns;
axTree1.Columns.Add("Column");
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

242
How can I change the foreground color for all cells in the column

EXTREELib.ConditionalFormat var_ConditionalFormat = axTree1.ConditionalFormats.Add("1",null);
	var_ConditionalFormat.ForeColor = (uint)ColorTranslator.ToWin32(Color.FromArgb(255,0,0));
	var_ConditionalFormat.ApplyTo = EXTREELib.FormatApplyToEnum.exFormatToColumns;
axTree1.Columns.Add("Column");
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

241
How can I show as strikeout all cells in the column

EXTREELib.ConditionalFormat var_ConditionalFormat = axTree1.ConditionalFormats.Add("1",null);
	var_ConditionalFormat.StrikeOut = true;
	var_ConditionalFormat.ApplyTo = EXTREELib.FormatApplyToEnum.exFormatToColumns;
axTree1.Columns.Add("Column");
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

240
How can I underline all cells in the column

EXTREELib.ConditionalFormat var_ConditionalFormat = axTree1.ConditionalFormats.Add("1",null);
	var_ConditionalFormat.Underline = true;
	var_ConditionalFormat.ApplyTo = EXTREELib.FormatApplyToEnum.exFormatToColumns;
axTree1.Columns.Add("Column");
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

239
How can I show in italic all data in the column

EXTREELib.ConditionalFormat var_ConditionalFormat = axTree1.ConditionalFormats.Add("1",null);
	var_ConditionalFormat.Italic = true;
	var_ConditionalFormat.ApplyTo = EXTREELib.FormatApplyToEnum.exFormatToColumns;
axTree1.Columns.Add("Column");
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

238
How can I bold the entire column

EXTREELib.ConditionalFormat var_ConditionalFormat = axTree1.ConditionalFormats.Add("1",null);
	var_ConditionalFormat.Bold = true;
	var_ConditionalFormat.ApplyTo = EXTREELib.FormatApplyToEnum.exFormatToColumns;
axTree1.Columns.Add("Column");
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

237
How can I display a computed column and highlight some values that are negative or less than a value

axTree1.Columns.Add("A");
axTree1.Columns.Add("B");
(axTree1.Columns.Add("(A+B)*1.19") as EXTREELib.Column).ComputedField = "(%0 + %1) * 1.19";
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellCaption(var_Items.AddItem(1),1,2);
EXTREELib.Items var_Items1 = axTree1.Items;
	var_Items1.set_CellCaption(var_Items1.AddItem(10),1,20);
EXTREELib.ConditionalFormat var_ConditionalFormat = axTree1.ConditionalFormats.Add("%2 > 10",null);
	var_ConditionalFormat.Bold = true;
	var_ConditionalFormat.ForeColor = (uint)ColorTranslator.ToWin32(Color.FromArgb(255,0,0));
	var_ConditionalFormat.ApplyTo = (EXTREELib.FormatApplyToEnum)0x2;

236
Can I display a computed column so it displays the VAT, or SUM

axTree1.Columns.Add("A");
axTree1.Columns.Add("B");
(axTree1.Columns.Add("(A+B)*1.19") as EXTREELib.Column).ComputedField = "(%0 + %1) * 1.19";
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellCaption(var_Items.AddItem(1),1,2);
EXTREELib.Items var_Items1 = axTree1.Items;
	var_Items1.set_CellCaption(var_Items1.AddItem(10),1,20);

235
How can I show a column that adds values in the cells

axTree1.Columns.Add("A");
axTree1.Columns.Add("B");
(axTree1.Columns.Add("A+B") as EXTREELib.Column).ComputedField = "%0 + %1";
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellCaption(var_Items.AddItem(1),1,2);
EXTREELib.Items var_Items1 = axTree1.Items;
	var_Items1.set_CellCaption(var_Items1.AddItem(10),1,20);

234
Is there any function to filter the control's data as I type, so the items being displayed include the typed characters

EXTREELib.Column var_Column = (axTree1.Columns.Add("Filter") as EXTREELib.Column);
	var_Column.FilterOnType = true;
	var_Column.DisplayFilterButton = true;
	var_Column.AutoSearch = EXTREELib.AutoSearchEnum.exContains;
axTree1.Items.AddItem("Canada");
axTree1.Items.AddItem("USA");

233
Is there any function to filter the control's data as I type, something like filter on type

EXTREELib.Column var_Column = (axTree1.Columns.Add("Filter") as EXTREELib.Column);
	var_Column.FilterOnType = true;
	var_Column.DisplayFilterButton = true;
axTree1.Items.AddItem("Canada");
axTree1.Items.AddItem("USA");

232
How can I programmatically filter a column

EXTREELib.Column var_Column = (axTree1.Columns.Add("Filter") as EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.FilterType = EXTREELib.FilterTypeEnum.exNonBlanks;
axTree1.Items.AddItem(null);
axTree1.Items.AddItem("not empty");
axTree1.ApplyFilter();

231
How can I show or display the control's filter

(axTree1.Columns.Add("Filter") as EXTREELib.Column).DisplayFilterButton = true;

230
How can I customize the items being displayed in the drop down filter window

EXTREELib.Column var_Column = (axTree1.Columns.Add("Custom Filter") as EXTREELib.Column);
	var_Column.DisplayFilterButton = true;
	var_Column.DisplayFilterPattern = false;
	var_Column.CustomFilter = "Excel Spreadsheets (*.xls )||*.xls|||Word Documents||*.doc|||Powerpoint Presentations||*.pps|||Text Documents (*.log,*.txt)||*." +
"txt|*.log";
	var_Column.FilterType = EXTREELib.FilterTypeEnum.exPattern;
	var_Column.Filter = "*.xls";
axTree1.Items.AddItem("excel.xls");
axTree1.Items.AddItem("word.doc");
axTree1.Items.AddItem("pp.pps");
axTree1.Items.AddItem("text.txt");
axTree1.ApplyFilter();

229
How can I change the order or the position of the columns in the sort bar

axTree1.SortBarVisible = true;
axTree1.SortBarColumnWidth = 48;
(axTree1.Columns.Add("C1") as EXTREELib.Column).SortOrder = EXTREELib.SortOrderEnum.SortAscending;
(axTree1.Columns.Add("C2") as EXTREELib.Column).SortOrder = EXTREELib.SortOrderEnum.SortDescending;
axTree1.Columns["C2"].SortPosition = 0;

228
How do I arrange my columns on multiple levels

(axTree1.Columns.Add("S") as EXTREELib.Column).Width = 32;
(axTree1.Columns.Add("Level 2") as EXTREELib.Column).LevelKey = 1;
(axTree1.Columns.Add("Level 3") as EXTREELib.Column).LevelKey = 1;
(axTree1.Columns.Add("Level 4") as EXTREELib.Column).LevelKey = 1;
(axTree1.Columns.Add("Level 1") as EXTREELib.Column).LevelKey = "2";
(axTree1.Columns.Add("Level 2") as EXTREELib.Column).LevelKey = "2";
(axTree1.Columns.Add("Level 3") as EXTREELib.Column).LevelKey = "2";
(axTree1.Columns.Add("Level 4") as EXTREELib.Column).LevelKey = "2";
(axTree1.Columns.Add("E") as EXTREELib.Column).Width = 32;

227
How do I arrange my columns on multiple lines

axTree1.HeaderHeight = 32;
(axTree1.Columns.Add("") as EXTREELib.Column).HTMLCaption = "Line 1<br>Line 2";

226
How can I display all cells using HTML format

(axTree1.Columns.Add("HTML") as EXTREELib.Column).set_Def(EXTREELib.DefColumnEnum.exCellCaptionFormat,1);
axTree1.Items.AddItem("<font ;12>T</font>his <b>is</b> an <a>html</a> <font Tahoma><fgcolor=FF0000>text</fgcolor></font>.");

225
How can I display all cells using multiple lines

(axTree1.Columns.Add("MultipleLine") as EXTREELib.Column).set_Def(EXTREELib.DefColumnEnum.exCellSingleLine,false);
(axTree1.Columns.Add("SingleLine") as EXTREELib.Column).set_Def(EXTREELib.DefColumnEnum.exCellSingleLine,true);
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellCaption(var_Items.AddItem("This is a bit of long text that should break the line"),1,"this is a bit of long text that's displayed on a single line");

224
How do change the vertical alignment for all cells in the column

(axTree1.Columns.Add("MultipleLine") as EXTREELib.Column).set_Def(EXTREELib.DefColumnEnum.exCellSingleLine,false);
(axTree1.Columns.Add("VAlign") as EXTREELib.Column).set_Def(EXTREELib.DefColumnEnum.exCellVAlignment,2);
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellCaption(var_Items.AddItem("This is a bit of long text that should break the line"),1,"bottom");
EXTREELib.Items var_Items1 = axTree1.Items;
	var_Items1.set_CellCaption(var_Items1.AddItem("This is a bit of long text that should break the line"),1,"bottom");

223
How do change the foreground color for all cells in the column

(axTree1.Columns.Add("ForeColor") as EXTREELib.Column).set_Def(EXTREELib.DefColumnEnum.exCellForeColor,255);
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

222
How do change the background color for all cells in the column

(axTree1.Columns.Add("BackColor") as EXTREELib.Column).set_Def(EXTREELib.DefColumnEnum.exCellBackColor,255);
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

221
How do I show buttons for all cells in the column

EXTREELib.Column var_Column = (axTree1.Columns.Add("Button") as EXTREELib.Column);
	var_Column.set_Def(EXTREELib.DefColumnEnum.exCellHasButton,true);
	var_Column.set_Def(EXTREELib.DefColumnEnum.exCellButtonAutoWidth,true);
axTree1.Items.AddItem(" Button 1 ");
axTree1.Items.AddItem(" Button 2 ");

220
How do I show buttons for all cells in the column

(axTree1.Columns.Add("Button") as EXTREELib.Column).set_Def(EXTREELib.DefColumnEnum.exCellHasButton,true);
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

219
How do I display radio buttons for all cells in the column

(axTree1.Columns.Add("Radio") as EXTREELib.Column).set_Def(EXTREELib.DefColumnEnum.exCellHasRadioButton,true);
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

218
How do I display checkboxes for all cells in the column

(axTree1.Columns.Add("Check") as EXTREELib.Column).set_Def(EXTREELib.DefColumnEnum.exCellHasCheckBox,true);
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

217
How can I display a tooltip when the cursor hovers the column

(axTree1.Columns.Add("tooltip") as EXTREELib.Column).ToolTip = "This is a bit of text that is shown when user hovers the column.";

216
Is there any function to assign a key to a column instead using its name or capion

(axTree1.Columns.Add("Data") as EXTREELib.Column).Key = "DKey";
axTree1.Columns["DKey"].Caption = "new caption";

215
Is there any function to assign any extra data to a column
(axTree1.Columns.Add("Data") as EXTREELib.Column).Data = "your extra data";

214
By default, the column gets sorted descending, when I first click its header. How can I change so the column gets sorted ascending when the user first clicks the column's header

(axTree1.Columns.Add("Sort") as EXTREELib.Column).DefaultSortOrder = true;

213
How can I specify the maximum width for the column, if I use WidthAutoResize property

EXTREELib.Column var_Column = (axTree1.Columns.Add("Auto") as EXTREELib.Column);
	var_Column.WidthAutoResize = true;
	var_Column.MinWidthAutoResize = 32;
	var_Column.MaxWidthAutoResize = 128;
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

212
How can I specify the minimum width for the column, if I use WidthAutoResize property

EXTREELib.Column var_Column = (axTree1.Columns.Add("Auto") as EXTREELib.Column);
	var_Column.WidthAutoResize = true;
	var_Column.MinWidthAutoResize = 32;
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

211
Is there any option to resize the column based on its data, captions

(axTree1.Columns.Add("A") as EXTREELib.Column).WidthAutoResize = true;
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

210
How can I align the icon in the column's header in the center

axTree1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
EXTREELib.Column var_Column = (axTree1.Columns.Add("") as EXTREELib.Column);
	var_Column.HeaderImage = 1;
	var_Column.HeaderImageAlignment = EXTREELib.AlignmentEnum.CenterAlignment;

209
How do I align the icon in the column's header to the right

axTree1.Images("gBJJgBAIDAAGAAEAAQhYAf8Pf4hh0QihCJo2AEZjQAjEZFEaIEaEEaAIAkcbk0olUrlktl0vmExmUzmk1m03nE5nU7nk9n0/oFBoVDolFo1HpFJpVLplNp1PqFRqVTq" +
"lVq1XrFZrVbrldr1fsFhsVjslls1ntFptVrtltt1vuFxuVzul1u13vF5vV7vl9v1/wGBwWDwmFw2HxGJxWLxmNx0xiFdyOTh8Tf9ZymXx+QytcyNgz8r0OblWjyWds+m" +
"0ka1Vf1ta1+r1mos2xrG2xeZ0+a0W0qOx3GO4NV3WeyvD2XJ5XL5nN51aiw+lfSj0gkUkAEllHanHI5j/cHg8EZf7w8vl8j4f/qfEZeB09/vjLAB30+kZQAP/P5/H6/y" +
"NAOAEAwCjMBwFAEDwJBMDwLBYAP2/8Hv8/gAGAD8LQs9w/nhDY/oygIA=");
EXTREELib.Column var_Column = (axTree1.Columns.Add("ColumnName") as EXTREELib.Column);
	var_Column.HeaderImage = 1;
	var_Column.HeaderImageAlignment = EXTREELib.AlignmentEnum.RightAlignment;

208
How do I show or hide the sorting icons, but still need sorting

(axTree1.Columns.Add("Sorted") as EXTREELib.Column).SortOrder = EXTREELib.SortOrderEnum.SortAscending;
axTree1.Columns[0].DisplaySortIcon = false;

207
How do I enable or disable the entire column

axTree1.Columns.Add("C1");
(axTree1.Columns.Add("Disabled") as EXTREELib.Column).Enabled = false;
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellCaption(var_Items.AddItem(0),1,"0.1");
EXTREELib.Items var_Items1 = axTree1.Items;
	var_Items1.set_CellCaption(var_Items1.AddItem(1),1,"1.1");

206
How do I disable drag and drop columns
(axTree1.Columns.Add("C1") as EXTREELib.Column).AllowDragging = false;
(axTree1.Columns.Add("C2") as EXTREELib.Column).AllowDragging = false;

205
How do I disable resizing a column at runtime

(axTree1.Columns.Add("Unsizable") as EXTREELib.Column).AllowSizing = false;
axTree1.Columns.Add("C2");
axTree1.Columns.Add("C3");
axTree1.Columns.Add("C4");

204
How can I align the column to the right, and its caption too

EXTREELib.Column var_Column = (axTree1.Columns.Add("Column") as EXTREELib.Column);
	var_Column.Alignment = EXTREELib.AlignmentEnum.RightAlignment;
	var_Column.HeaderAlignment = EXTREELib.AlignmentEnum.RightAlignment;
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

203
How can I align the column to the right

(axTree1.Columns.Add("Column") as EXTREELib.Column).Alignment = EXTREELib.AlignmentEnum.RightAlignment;
axTree1.Items.AddItem(0);
axTree1.Items.AddItem(1);

202
How do I change the column's caption

(axTree1.Columns.Add("Column") as EXTREELib.Column).Caption = "new caption";

201
Can I change the visual effect, appearance for the anchor, hyperlink elements, in HTML captions, after the user clicks it

axTree1.set_FormatAnchor(false,"<b><u><fgcolor=880000> </fgcolor></u></b>");
axTree1.Columns.Add("Column");
EXTREELib.Items var_Items = axTree1.Items;
	var_Items.set_CellCaptionFormat(var_Items.AddItem("Just an <a1>anchor</a> element ..."),0,EXTREELib.CaptionFormatEnum.exHTML);
EXTREELib.Items var_Items1 = axTree1.Items;
	var_Items1.set_CellCaptionFormat(var_Items1.AddItem("Just another <a2>anchor</a> element ..."),0,EXTREELib.CaptionFormatEnum.exHTML);
axTree1.Items.AddItem("next item");