'宣言 Protected Friend Overridable Sub OnDataObjectRequested( _ ByVal args As Infragistics.HandleableObjectGenerationEventArgs, _ ByVal nodeLayout As NodeLayout, _ ByVal parentNode As XamDataTreeNode _ )
protected internal virtual void OnDataObjectRequested( Infragistics.HandleableObjectGenerationEventArgs args, NodeLayout nodeLayout, XamDataTreeNode parentNode )