+ bool OnExecute(const wxString& topic, wxChar*data, int size, wxIPCFormat format);
+ wxChar *OnRequest(const wxString& topic, const wxString& item, int *size, wxIPCFormat format);
+ bool OnPoke(const wxString& topic, const wxString& item, wxChar *data, int size, wxIPCFormat format);
+ bool OnStartAdvise(const wxString& topic, const wxString& item);