added XRC handler for wxStdDialogButtonSizer

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33108 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/xrc/xh_sizer.h

@@ -56,4 +56,20 @@ private:
 };
 
 
-#endif // _WX_XH_BOXSIZER_H_
+class WXDLLIMPEXP_XRC wxStdDialogButtonSizerXmlHandler
+    : public wxXmlResourceHandler
+{
+public:
+    wxStdDialogButtonSizerXmlHandler();
+    virtual wxObject *DoCreateResource();
+    virtual bool CanHandle(wxXmlNode *node);
+
+private:
+    bool m_isInside;
+    wxStdDialogButtonSizer *m_parentSizer;
+
+    DECLARE_DYNAMIC_CLASS(wxStdDialogButtonSizerXmlHandler)
+};
+
+
+#endif // _WX_XH_SIZER_H_