OpenTween.TweenMain.TweenMain_FormClosing C# (CSharp) Method

        private void TweenMain_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (!this._cfgCommon.CloseToExit && e.CloseReason == CloseReason.UserClosing && MyCommon._endingFlag == false)
            {
                //_endingFlag=false:フォームの×ボタン
                e.Cancel = true;
                this.Visible = false;
            }
            else
            {
                _hookGlobalHotkey.UnregisterAllOriginalHotkey();
                _ignoreConfigSave = true;
                MyCommon._endingFlag = true;
                TimerTimeline.Enabled = false;
                TimerRefreshIcon.Enabled = false;
            }
        }