native hook for supported datatypes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71915 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/dataobj.h

@@ -31,6 +31,10 @@ public:
     // returns true if any of the accepted formats of this dataobj is in the pasteboard
     bool HasDataInPasteboard( void * pasteboardRef );
     bool GetFromPasteboard( void * pasteboardRef );
+    
+#if wxOSX_USE_COCOA
+    virtual void AddSupportedTypes( void* cfarray);
+#endif
 };
 
 #endif // _WX_MAC_DATAOBJ_H_