CMDIFrameWndEx::OnCloseDockingPane
Visual Studio 2012
Called by the framework when the user clicks the Close button on a dockable pane.
virtual BOOL OnCloseDockingPane( CDockablePane* pWnd );
Called by the framework when the user clicks the Close button on a dockable pane.
virtual BOOL OnCloseDockingPane( CDockablePane* pWnd );