added some wxMSW stuff

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/dcscreen.h

@@ -0,0 +1,39 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        dcscreen.h
+// Purpose:     wxScreenDC class
+// Author:      Julian Smart
+// Modified by:
+// Created:     01/02/97
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart and Markus Holzem
+// Licence:   	wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef __DCSCREENH__
+#define __DCSCREENH__
+
+#ifdef __GNUG__
+#pragma interface "dcscreen.h"
+#endif
+
+#include "wx/dc.h"
+
+class WXDLLEXPORT wxScreenDC: public wxDC
+{
+  DECLARE_DYNAMIC_CLASS(wxScreenDC)
+
+ public:
+  // Create a DC representing the whole screen
+  wxScreenDC(void);
+  ~wxScreenDC(void);
+
+  // Compatibility with X's requirements for
+  // drawing on top of all windows
+  static bool StartDrawingOnTop(wxWindow *window) { return TRUE; }
+  static bool StartDrawingOnTop(wxRectangle *rect = NULL) { return TRUE; }
+  static bool EndDrawingOnTop(void) { return TRUE; }
+};
+
+#endif
+    // __DCSCREENH__
+