allow access to wxWindow*

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41369 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/carbon/dcclient.h

@@ -32,6 +32,7 @@ class WXDLLEXPORT wxWindowDC: public wxDC
   wxWindowDC(wxWindow *win);
 
   virtual ~wxWindowDC(void);
+  wxWindow *GetWindow() const { return m_window; }
   protected :
     virtual void DoGetSize( int *width, int *height ) const;
     wxWindow     *m_window;