vtkCocoaRenderWindow *rwin = vtkCocoaRenderWindow::SafeDownCast(RenderWindow);
NSView *nvsview = (NSView* )Handle;
NSWindow *nswindow = nvsview.window;
rwin->SetRootWindow( nswindow );
rwin->SetWindowId( reinterpret_cast<void *>(nvsview) );
#else
vtkCocoaRenderWindow *rwin = vtkCocoaRenderWindow::SafeDownCast(RenderWindow);
NSView *nvsview = (NSView* )Handle;
NSWindow *nswindow = nvsview.window;
rwin->SetRootWindow( nswindow );
rwin->SetWindowId( reinterpret_cast<void *>(nvsview) );
#else