minor refactoring of OnEraseBackground()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40275 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/tbar95.h

@@ -118,6 +118,9 @@ protected:
     // unneeded
     void CreateDisabledImageList();
 
+    // get the Windows toolbar style of this control
+    long GetMSWToolbarStyle() const;
+
 
     // the big bitmap containing all bitmaps of the toolbar buttons
     WXHBITMAP m_hBitmap;