- wxRegion( const wxRegion& r ) { Ref(r); }
- wxRegion& operator = ( const wxRegion& r ) { Ref(r); return *this; }
+ wxRegion( const wxRegion& region ) { Ref(region); }
+ wxRegion& operator = ( const wxRegion& region ) { Ref(region); return *this; }
+
+ bool Ok() const { return m_refData != NULL; }