273_C++_evnet msg callback:C++的事件处理框架,用于处理不同类型的事件通知和回调
///evnetmsgcallback/typedefstructRS_EventNotify_sRS_EventNotify_t;enumRS_Event_Type_E{EVENT_IO_ALARM,EVENT_MOTION,EVENT_PERIMETER_LINE,EVENT_PERIMETER_ZONE,EVENT_GOODS_LOST_LEGACY,EVENT_PEDESTRIAN_DET