+ NSRect frame = [win frame];
+ wxRect wxframe = wxFromNSRect( NULL, frame );
+ wxframe.SetWidth( proposedFrameSize.width );
+ wxframe.SetHeight( proposedFrameSize.height );
+ wxNSWindow* window = (wxNSWindow*) win;
+ wxNonOwnedWindowCocoaImpl* windowimpl = [window implementation];
+ if ( windowimpl )
+ {
+ wxNonOwnedWindow* wxpeer = windowimpl->GetWXPeer();
+ if ( wxpeer )
+ {
+ wxpeer->HandleResizing( 0, &wxframe );
+ NSSize newSize = NSMakeSize(wxframe.GetWidth(), wxframe.GetHeight());
+ return newSize;
+ }
+ }
+