TreeViewControl.ShowingEditor Event
Occurs before a node’s editor is opened. Allows you to prevent the activation of the editor.
Namespace: DevExpress.Xpf.Grid
Assembly: DevExpress.Xpf.Grid.v24.1.dll
NuGet Package: DevExpress.Wpf.Grid.Core
Declaration
Event Data
The ShowingEditor event's data class is DevExpress.Xpf.Grid.TreeList.TreeViewShowingEditorEventArgs.
Remarks
The following code sample prevents the activation of the root node’s editor.
<dxg:TreeViewControl x:Name="treeview"
...
AllowEditing="True"
ShowingEditor="treeview_ShowingEditor"/>
void treeview_ShowingEditor(object sender, DevExpress.Xpf.Grid.TreeList.TreeViewShowingEditorEventArgs e) {
e.Cancel = e.Node.Level == 0;
}
For more information, refer to the following help topic: Edit Data.
See Also