test ShowFullScreen() to verify that restoring menu works correctly

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58442 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/mdi/mdi.h

@@ -51,6 +51,7 @@ private:
     void OnSize(wxSizeEvent& event);
     void OnAbout(wxCommandEvent& event);
     void OnNewWindow(wxCommandEvent& event);
+    void OnFullScreen(wxCommandEvent& event);
     void OnQuit(wxCommandEvent& event);
     void OnClose(wxCloseEvent& event);
 
@@ -95,6 +96,7 @@ private:
 // menu items ids
 enum
 {
+    MDI_FULLSCREEN,
     MDI_REFRESH,
     MDI_CHANGE_TITLE,
     MDI_CHANGE_POSITION,