+ ATSUTextLayout atsuLayout ;
+ UniCharCount chars = str.Length() ;
+#if wxUSE_UNICODE
+ status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) (const wxChar*) str , 0 , str.Length() , str.Length() , 1 ,
+ &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
+#else