/// <summary>
        /// 用户A收到B已读阅后即焚的通知需要发送回执
        /// </summary>
        public static void SendBurnAfterReadReceipt(BurnAfterReadReceiptCtt msg, string messageID)
        {
            //BurnAfterReadReceipt receipt = new BurnAfterReadReceipt();
            //receipt.ctt = new BurnAfterReadReceiptCtt();
            //receipt.ctt.sendUserId = AntSdkService.AntSdkCurrentUserInfo.userId;
            //receipt.ctt.companyCode = GlobalVariable.CompanyCode;
            //receipt.ctt.chatIndex = msg.chatIndex;
            //receipt.ctt.os = ((int)GlobalVariable.OSType.PC).ToString();
            //receipt.ctt.sessionId = msg.sessionId;
            //receipt.ctt.targetId = null;
            //receipt.ctt.content = null;
            string errMsg = string.Empty;
            //TODO:AntSdk_Modify
            //DNOE:AntSdk_Modify
            var burnRead = new AntSdkSendMsg.PointBurnReaded
            {
                targetId   = msg.targetId,
                chatIndex  = msg.chatIndex,
                sessionId  = msg.sessionId,
                sendUserId = AntSdkService.AntSdkCurrentUserInfo.userId,
                messageId  = PublicTalkMothed.timeStampAndRandom(),
                chatType   = (int)AntSdkchatType.Point,
                os         = (int)GlobalVariable.OSType.PC,
                content    = new AntSdkSendMsg.PointBurnReaded_content
                {
                    readIndex = int.Parse(msg.chatIndex),
                    //TODO://收到的那条阅后即焚消息的messageId
                    messageId = messageID
                }
            };

            AntSdkService.SdkPublishPointBurnReadReceiptMsg(burnRead, ref errMsg);
            //MqttService.Instance.Publish<BurnAfterReadReceipt>(GlobalVariable.TopicClass.MessageRead, receipt, ref errMsg, NullValueHandling.Ignore);
        }
        /// <summary>
        /// 发送消息
        /// </summary>
        /// <param name="o"></param>
        private void SendMassMsg(object o)
        {
            if (ContactUsers == null || ContactUsers.Count == 0)
            {
                MessageBoxWindow.Show("请先选择消息接收人!", GlobalVariable.WarnOrSuccess.Warn);
                return;
            }
            else if (string.IsNullOrWhiteSpace(MsgContent))
            {
                MessageBoxWindow.Show("消息内容不能为空!", GlobalVariable.WarnOrSuccess.Warn);
                return;
            }
            else if (MsgContent.Length > 500)
            {
                MessageBoxWindow.Show("消息内容不能超过500个字符!", GlobalVariable.WarnOrSuccess.Warn);
                return;
            }
            MassMsg msg = new MassMsg();

            msg.mtp = (int)GlobalVariable.MsgType.MassMsg;
            //TODO:AntSdk_Modify
            AntSdkMassMsgCtt ctt = new AntSdkMassMsgCtt();

            //ctt.messageId = PublicTalkMothed.timeStampAndRandom();
            ctt.sendUserId = AntSdkService.AntSdkCurrentUserInfo.userId;
            if (ContactUsers != null && ContactUsers.Count > 0)
            {
                ctt.targetId = string.Join(",", ContactUsers.Where(m => m.userId != AntSdkService.AntSdkCurrentUserInfo.userId).Select(c => c.userId).ToArray());
            }
            ctt.companyCode = GlobalVariable.CompanyCode;
            ctt.content     = MsgContent;
            ctt.os          = (int)GlobalVariable.OSType.PC;
            ctt.sessionId   = DataConverter.GetSessionID(AntSdkService.AntSdkCurrentUserInfo.userId, GlobalVariable.MassAssistantId);
            ctt.chatIndex   = null;
            ctt.sendTime    = null;
            string errMsg = "";

            //DONE:AntSdk_Modify
            AntSdkChatMsg.MultiSend massMsg = new AntSdkChatMsg.MultiSend();
            massMsg.sendUserId = AntSdkService.AntSdkCurrentUserInfo.userId;
            if (ContactUsers != null && ContactUsers.Count > 0)
            {
                massMsg.targetId = string.Join(",", ContactUsers.Where(m => m.userId != AntSdkService.AntSdkCurrentUserInfo.userId).Select(c => c.userId).ToArray());
            }
            massMsg.content   = MsgContent;
            massMsg.chatType  = (int)AntSdkchatType.Point;
            massMsg.messageId = PublicTalkMothed.timeStampAndRandom();
            massMsg.sessionId = DataConverter.GetSessionID(AntSdkService.AntSdkCurrentUserInfo.userId, GlobalVariable.MassAssistantId);
            var isResult = AntSdkService.SdkPublishChatMsg(massMsg, ref errMsg);

            // AntSdkMassMsgCtt
            if (isResult)
            {
                ctt.messageId = massMsg.messageId;
                LogHelper.WriteWarn("---------------------------消息助手群发消息已发送---------------------");
                SendMassMsgEvent?.Invoke(ctt);
                (o as System.Windows.Window)?.Close();
            }
            else
            {
                MessageBoxWindow.Show("消息发送失败!" + errMsg, GlobalVariable.WarnOrSuccess.Warn);
            }
        }