OpenTween.ListManage.DeleteListButton_Click C# (CSharp) Method

        private async void DeleteListButton_Click(object sender, EventArgs e)
        {
            if (this.ListsList.SelectedItem == null) return;

            using (ControlTransaction.Disabled(this))
            {
                ListElement list = (ListElement)this.ListsList.SelectedItem;

                if (MessageBox.Show(Properties.Resources.ListManageDeleteLists1, Application.ProductName, MessageBoxButtons.OKCancel) == DialogResult.OK)
                {
                    try
                    {
                        await this.tw.DeleteList(list.Id);
                    }
                    catch (WebApiException ex)
                    {
                        MessageBox.Show(Properties.Resources.ListManageOKButton2, ex.Message);
                        return;
                    }

                    try
                    {
                        await this.tw.GetListsApi();
                    }
                    catch (WebApiException ex)
                    {
                        MessageBox.Show(Properties.Resources.ListsDeleteFailed, ex.Message);
                        return;
                    }

                    this.ListsList.Items.Clear();
                    this.ListManage_Load(this, EventArgs.Empty);
                }
            }
        }