undisable many warnings for VC++ in defs.h and fixed several thousands of them in the sources

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22222 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/ctrlsub.h

@@ -161,6 +161,9 @@ public:
     {
         return wxItemContainer::GetClientObject(n);
     }
+
+private:
+    DECLARE_NO_COPY_CLASS(wxControlWithItems);
 };
 
 #endif // wxUSE_CONTROLS