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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.v20.2.dll

Declaration

public event TreeViewShowingEditorEventHandler ShowingEditor
Public Event ShowingEditor As TreeViewShowingEditorEventHandler

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;
}
See Also