TreeListOptionsView.AllowHtmlDrawHeaders Property

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

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v19.1.dll

Declaration

C#

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

VB.NET

<DefaultValue(False)>
<XtraSerializableProperty>
Public Overridable Property AllowHtmlDrawHeaders As Boolean

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:

Library	Object Type	Path to AllowHtmlDrawHeaders
WinForms Controls	ResourcesTree	.OptionsView.AllowHtmlDrawHeaders
	TreeList	.OptionsView.AllowHtmlDrawHeaders
Reporting	XRDesignFieldList	.OptionsView.AllowHtmlDrawHeaders
	XRDesignReportExplorer	.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.

C#

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 + ">";

VB.NET

Dim imageName As String = "customer"
imageCollection1.AddImage(Image.FromFile("c:\customer-16x16.png"), imageName)

gridView1.OptionsView.AllowHtmlDrawHeaders = True
gridView1.HtmlImages = imageCollection1
columnCustomer.Caption = columnCustomer.GetCaption() & "<image=" & imageName & ">"