Add wx headers and ext

wxheaders/wx/msw/richmsgdlg.h

@@ -0,0 +1,30 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/msw/richmsgdlg.h
+// Purpose:     wxRichMessageDialog
+// Author:      Rickard Westerlund
+// Created:     2010-07-04
+// Copyright:   (c) 2010 wxWidgets team
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_MSW_RICHMSGDLG_H_
+#define _WX_MSW_RICHMSGDLG_H_
+
+class WXDLLIMPEXP_CORE wxRichMessageDialog : public wxGenericRichMessageDialog
+{
+public:
+    wxRichMessageDialog(wxWindow *parent,
+                        const wxString& message,
+                        const wxString& caption = wxASCII_STR(wxMessageBoxCaptionStr),
+                        long style = wxOK | wxCENTRE)
+        : wxGenericRichMessageDialog(parent, message, caption, style)
+        { }
+
+    // overridden base class method showing the native task dialog if possible
+    virtual int ShowModal() wxOVERRIDE;
+
+private:
+    wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxRichMessageDialog);
+};
+
+#endif // _WX_MSW_RICHMSGDLG_H_