Occurs when the docking window is about to be destroyed.
[Visual Basic .NET]
Public Sub OnDestroy ( _
)
[C#] public void OnDestroy ( );
Product Availability
Available with ArcGIS Desktop.
[C#]
If you embed or reference any ActiveX control in the child form of your dockable window, you must call Form::Dispose() at OnDestroy to release the ActiveX control before application shutdown.
[Visual Basic .NET]
If you embed or reference any ActiveX control in the child form of your dockable window, you must call Form::Dispose() at OnDestroy to release the ActiveX control before application shutdown.