+ // get the width of either normal or resizeable frame border depending on
+ // whether flags contains wxTOPLEVEL_RESIZEABLE bit
+ //
+ // notice that these methods only make sense with standard border drawing
+ // code which uses the borders of the same width on all sides, this is why
+ // they are only present here and not in wxRenderer itself
+ virtual int GetFrameBorderWidth(int flags) const;
+