#ifndef __MDIH_BASE__
#define __MDIH_BASE__
-#if defined(__WINDOWS__)
+#if defined(__WXMSW__)
#include "wx/msw/mdi.h"
-#elif defined(__MOTIF__)
+#elif defined(__WXMOTIF__)
#include "wx/xt/mdi.h"
-#elif defined(__GTK__)
+#elif defined(__WXGTK__)
#include "wx/gtk/mdi.h"
+#elif defined(__WXQT__)
+#include "wx/qt/mdi.h"
#endif
#endif