+#if wxMAC_USE_CORE_GRAPHICS
+ void * m_cgContextRef ;
+#endif
+ // cache the clipped rectangles within the window hierarchy
+ void MacUpdateClippedRects() const ;
+ mutable bool m_cachedClippedRectValid ;
+ mutable wxRect m_cachedClippedRectWithOuterStructure ;
+ mutable wxRect m_cachedClippedRect ;
+ mutable wxRect m_cachedClippedClientRect ;
+ mutable wxRegion m_cachedClippedRegionWithOuterStructure ;
+ mutable wxRegion m_cachedClippedRegion ;
+ mutable wxRegion m_cachedClippedClientRegion ;