cReceiveMessageOpt2DartOpt static method 
    
    
    
  Implementation
  static ReceiveMsgOptEnum cReceiveMessageOpt2DartOpt(int opt) {
  switch (opt) {
    case ReceiveMsgOptType.kTIMRecvMsgOpt_Receive:
      return ReceiveMsgOptEnum.V2TIM_RECEIVE_MESSAGE;
    case ReceiveMsgOptType.kTIMRecvMsgOpt_Not_Receive:
      return ReceiveMsgOptEnum.V2TIM_NOT_RECEIVE_MESSAGE;
    case ReceiveMsgOptType.kTIMRecvMsgOpt_Not_Notify:
      return ReceiveMsgOptEnum.V2TIM_RECEIVE_NOT_NOTIFY_MESSAGE;
    case ReceiveMsgOptType.kTIMRecvMsgOpt_Not_Notify_Except_At:
      return ReceiveMsgOptEnum.V2TIM_RECEIVE_NOT_NOTIFY_MESSAGE_EXCEPT_AT;
    case ReceiveMsgOptType.kTIMRecvMsgOpt_Not_Receive_Except_At:
      return ReceiveMsgOptEnum.V2TIM_NOT_RECEIVE_MESSAGE_EXCEPT_AT;
    default:
      return ReceiveMsgOptEnum.V2TIM_RECEIVE_MESSAGE;
  }
}