private void CreateGroup()
        {
            // 讨论组名不能为空
            //if (string.IsNullOrWhiteSpace(GroupName))
            //{
            //    GroupNameBorderBrush = new SolidColorBrush(Colors.Red);
            //    //GroupNameBorderThickness = new Thickness(1, 1, 1, 1);
            //    return;
            //}
            //else
            //{
            //    GroupNameBorderBrush = new SolidColorBrush((System.Windows.Media.Color)System.Windows.Media.ColorConverter.ConvertFromString("#e0e0e0"));
            //    //GroupNameBorderThickness = new Thickness(0);
            //}
            // 讨论组成员不能少于3
            if (GroupMemberList == null || GroupMemberList.Count < 3)
            {
                MessageBoxWindow.Show("讨论组至少需要包括三个成员", GlobalVariable.WarnOrSuccess.Warn);
                return;
            }
            if (string.IsNullOrWhiteSpace(GroupName.Trim(' ')))//自定义群名为空 取默认值
            {
                GroupName = GetNewGroupName();
            }
            GroupName = GroupName.TrimStart(' ');
            #region 旧代码
            CreateGroupInput input = new CreateGroupInput();
            input.token     = AntSdkService.AntSdkLoginOutput.token;
            input.version   = GlobalVariable.Version;
            input.userId    = AntSdkService.AntSdkLoginOutput.userId;
            input.groupName = GroupName;
            //获取讨论组成员头像
            //List<string> picList = new List<string>();
            //foreach (ContactInfoViewModel m in GroupMemberList)
            //{
            //    picList.Add(m.Photo);
            //}
            //input.groupPicture = ImageHandle.GetGroupPicture(picList);
            //input.groupPicture =;
            input.userIds = string.Join(",", GroupMemberList.Select(c => c.User.userId).ToArray());
            //CreateGroupOutput output = new CreateGroupOutput();
            var errCode = 0;
            var errMsg  = string.Empty;

            //if (!(new HttpService()).CreateGroup(input, ref output, ref errMsg))
            //{
            //    if (output.errorCode != "1004")
            //    {
            //        MessageBoxWindow.Show(errMsg,GlobalVariable.WarnOrSuccess.Warn);
            //    }
            //    return;
            //}
            //output.group.groupPicture = ImageHandle.GetGroupPicture(GroupMemberList.Select(c => c.Photo).ToList());
            //ThreadPool.QueueUserWorkItem(m =>
            //{

            //});
            #endregion

            AntSdkCreateGroupInput newGroupInput = new AntSdkCreateGroupInput();
            newGroupInput.userId    = AntSdkService.AntSdkLoginOutput.userId;
            newGroupInput.groupName = GroupName;
            newGroupInput.userIds   = GroupMemberList.Select(c => c.User.userId).ToArray();
            //newGroupInput.groupPicture = ImageHandle.GetGroupPicture(GroupMemberList.Select(c => c.Photo).ToList());
            //TODO:AntSdk_Modify
            //DONE:AntSdk_Modify
            AntSdkCreateGroupOutput createGroupOutput = AntSdkService.CreateGroup(newGroupInput, ref errCode, ref errMsg);
            if (createGroupOutput == null)
            {
                if (!AntSdkService.AntSdkIsConnected)
                {
                    errMsg = "网络已断开,请检查网络";
                }
                if (!string.IsNullOrEmpty(errMsg))
                {
                    MessageBoxWindow.Show(errMsg, GlobalVariable.WarnOrSuccess.Warn);
                }
                return;
            }
            createGroupOutput.groupPicture = ImageHandle.GetGroupPicture(GroupMemberList.Select(c => c.Photo).ToList());
            //异步更新讨论组头像,这里需要用前台线程,因此不能用线程池
            string[] ThreadParams = new string[3];
            ThreadParams[0] = createGroupOutput.groupId;
            ThreadParams[1] = createGroupOutput.groupPicture;
            ThreadParams[2] = string.IsNullOrEmpty(createGroupOutput.groupName) ? "" : createGroupOutput.groupName;
            Thread UpdateGroupPictureThread = new Thread(GroupPublicFunction.UpdateGroupPicture);
            UpdateGroupPictureThread.Start(ThreadParams);
            this.CreateGroupOutput = createGroupOutput;
            App.Current.Dispatcher.BeginInvoke((Action)(() =>
            {
                this.close.Invoke();
            }));
        }