Added wxString version of wxStripExtension; changed OnClose to return TRUE;

fixed some bad casts in resource.cpp


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@322 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/frame.cpp

@@ -813,6 +813,11 @@ void wxFrame::OnCloseWindow(wxCloseEvent& event)
     }
 }
 
+bool wxFrame::OnClose(void)
+{
+    return TRUE;
+}
+
 // Destroy the window (delayed, if a managed window)
 bool wxFrame::Destroy(void)
 {