+#elif defined(__WXX11__)
+#include "wx/x11/region.h"
+#elif defined(__WXMGL__)
+#include "wx/mgl/region.h"
+#elif defined(__WXMAC__)
+#include "wx/mac/region.h"
+#elif defined(__WXCOCOA__)
+#include "wx/cocoa/region.h"
+#elif defined(__WXPM__)
+#include "wx/os2/region.h"