private void LeftFacebookData()
        {
            try
            {
                //if (FacebookUserListViewModel != null) return;
//
                var data = _dbHelper.GetLeftMessengerListData(LoginUser.InboxUserId, TabType.Facebook, FbPageInfo.FbComboboxIndexId);
                // var data = _dbHelper.GetFacebookListData(LoginUser.UserId);
                Application.Current.Dispatcher.Invoke(() =>
                {
                    //FacebookUserListViewModel = FacebookUserListViewModel ?? new SocialTabViewModel(Enums.TabType.Facebook,LoginUser)
                    FacebookUserListViewModel = new SocialTabViewModel(Enums.TabType.Facebook, LoginUser)
                    {
                        UserListInfo = data
                    };
                    if (FacebookUserListViewModel.SelectedItem == null)
                    {
                        FacebookUserListViewModel.SelectedItem = data.FirstOrDefault();
                    }
                });
            }
            catch (Exception)
            {
            }
        }
        private void LeftMessengerData()
        {
            //if (MessengerUserListViewModel != null) return;
            var data = _dbHelper.GetLeftMessengerListData(LoginUser.InboxUserId, TabType.Messenger, FbPageInfo.FbComboboxIndexId);

            Application.Current.Dispatcher.Invoke(() =>
            {
                MessengerUserListViewModel = new SocialTabViewModel(Enums.TabType.Messenger, LoginUser)
                {
                    UserListInfo = data
                };
                if (MessengerUserListViewModel.SelectedItem == null)
                {
                    MessengerUserListViewModel.SelectedItem = data.FirstOrDefault();
                }
            });
        }