extended wxWindow::MSWGetBgBrush() and wxControl::MSWControlColor() to work for arbitrary HWNDs and not just wxWindows: this allows us to draw proper background for slider labels and other subcontrols

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33488 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/choice.h

@@ -84,7 +84,7 @@ public:
     // MSW only
     virtual bool MSWCommand(WXUINT param, WXWORD id);
     WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
-    virtual WXHBRUSH MSWControlColor(WXHDC hDC);
+    virtual WXHBRUSH MSWControlColor(WXHDC hDC, WXHWND hWnd);
 
 protected:
     virtual void DoMoveWindow(int x, int y, int width, int height);