TreeList.QueryEmptyTreeTemplate Event

Allows you to assign HTML-CSS templates from the HtmlTemplates collection to an empty TreeList.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v23.2.dll

NuGet Packages: DevExpress.Win.Navigation, DevExpress.Win.TreeList

Declaration

C#

[DXCategory("Events")]
public event QueryHtmlTemplateEventHandler QueryEmptyTreeTemplate

VB.NET

<DXCategory("Events")>
Public Event QueryEmptyTreeTemplate As QueryHtmlTemplateEventHandler

Event Data

The QueryEmptyTreeTemplate event's data class is DevExpress.XtraTreeList.QueryTemplateEventArgs.

Remarks

Handle the QueryEmptyTreeTemplate event to apply a template from the HtmlTemplates collection to an empty TreeList based on a condition.

The QueryEmptyTreeTemplate property specifies the default HTML-CSS template for an empty TreeList control.