+class WXDLLEXPORT wxSizer;
+class WXDLLEXPORT wxStdDialogButtonSizer;
+
+#define wxDIALOG_NO_PARENT 0x0001 // Don't make owned by apps top window
+
+#ifdef __WXWINCE__
+#define wxDEFAULT_DIALOG_STYLE (wxCAPTION | wxMAXIMIZE | wxCLOSE_BOX)
+#else
+#define wxDEFAULT_DIALOG_STYLE (wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX)
+#endif
+
+extern WXDLLEXPORT_DATA(const wxChar*) wxDialogNameStr;