Sub OnChecking(Sender: Object; Args: IDimensionNodeCheckingEventArgs);
Begin
//set of operators;
End Sub OnChecking;
Sender. The parameter that returns the component that generated the event.
Args. The parameter that enables the user to determine event parameters.
The OnChecking event occurs before changing element checkbox state.
See also:
IDimensionViewer | IDimensionViewer.Checked | IDimensionViewer.CheckState