public SetCameraInfoRequest(CameraInfoMsg camera_info)
 {
     this.camera_info = camera_info;
 }
 private SetCameraInfoRequest(MessageDeserializer deserializer)
 {
     this.camera_info = CameraInfoMsg.Deserialize(deserializer);
 }
        //  The camera_info to store

        public SetCameraInfoRequest()
        {
            this.camera_info = new CameraInfoMsg();
        }