OpenTween.TweenMain.ProtectTabMenuItem_Click C# (CSharp) Method

        private void ProtectTabMenuItem_Click(object sender, EventArgs e)
        {
            var checkState = ((ToolStripMenuItem)sender).Checked;

            // チェック状態を同期
            this.ProtectTbMenuItem.Checked = checkState;
            this.ProtectTabMenuItem.Checked = checkState;

            // ロック中はタブの削除を無効化
            this.DeleteTabMenuItem.Enabled = !checkState;
            this.DeleteTbMenuItem.Enabled = !checkState;

            if (string.IsNullOrEmpty(_rclickTabName)) return;
            _statuses.Tabs[_rclickTabName].Protected = checkState;

            SaveConfigsTabs();
        }