TreeListOptionsView.AllowHtmlDrawHeaders Property

Gets or sets whether HTML formatting can be applied to column and band captions.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v21.2.dll

Declaration

[DefaultValue(false)]
[XtraSerializableProperty]
public virtual bool AllowHtmlDrawHeaders { get; set; }

Property Value

Type Default Description
Boolean

false

true if HTML formatting can be applied to column and band captions; otherwise, false.

Property Paths

You can access this nested property as listed below:

Object Type Path to AllowHtmlDrawHeaders
GanttControl
.OptionsView.AllowHtmlDrawHeaders
ResourcesTree
.OptionsView.AllowHtmlDrawHeaders
TreeList
.OptionsView.AllowHtmlDrawHeaders

Remarks

If the AllowHtmlDrawHeaders property is set to true, you can use HTML tags to format the TreeListColumn.Caption and TreeListBand.Caption. For detailed information see HTML Text Formatting.

Example

The following example shows how to display an image to the right of the Job Title column’s caption using HTML tags. The HTML formatting feature is enabled via the TreeListOptionsView.AllowHtmlDrawHeaders property.

TreeList-HtmlImages-ex

string imageName = "customer";
imageCollection1.AddImage(Image.FromFile("c:\\customer-16x16.png"), imageName);

treeList1.OptionsView.AllowHtmlDrawHeaders = true;
treeList1.HtmlImages = imageCollection1;
colJobTitle.Caption = colJobTitle.GetCaption() + "<image=" + imageName + ">";
See Also