OpenTween.ListManage.RefreshUsersButton_Click C# (CSharp) Method

        private async void RefreshUsersButton_Click(object sender, EventArgs e)
        {
            using (ControlTransaction.Disabled(this))
            {
                if (this.ListsList.SelectedItem == null) return;
                this.UserList.Items.Clear();

                var list = (ListElement)this.ListsList.SelectedItem;
                try
                {
                    await list.RefreshMembers();
                }
                catch (WebApiException ex)
                {
                    MessageBox.Show(string.Format(Properties.Resources.ListManageGetListMembersCallback1, ex.Message));
                    return;
                }

                this.ListsList_SelectedIndexChanged(this.ListsList, EventArgs.Empty);
                this.GetMoreUsersButton.Text = Properties.Resources.ListManageGetMoreUsers1;
            }
        }