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/dialog.h

@@ -50,6 +50,7 @@ protected:
     // the return code from modal dialog
     int m_returnCode;
 
+    DECLARE_NO_COPY_CLASS(wxDialogBase)
     DECLARE_EVENT_TABLE()
     WX_DECLARE_CONTROL_CONTAINER();
 };