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