/// <summary> /// 離開對話或群組 /// </summary> /// <param name="sourceId">欲離開的對話或群組ID</param> /// <param name="type"></param> /// <returns></returns> public Task <bool> Leave_Room_Or_GroupAsync(string sourceId, SourceType type) { if (type == SourceType.user) { throw new NotSupportedException("無法使用 SourceType = User"); } else { return(MessageApi.Leave_Room_GroupAsync(this.channelAccessToken, sourceId, type)); } }