OpenTween.TweenMain.TweenMain_Resize C# (CSharp) Method

        private void TweenMain_Resize(object sender, EventArgs e)
        {
            if (!_initialLayout && this._cfgCommon.MinimizeToTray && WindowState == FormWindowState.Minimized)
            {
                this.Visible = false;
            }
            if (_initialLayout && _cfgLocal != null && this.WindowState == FormWindowState.Normal && this.Visible)
            {
                // 現在の DPI と設定保存時の DPI との比を取得する
                var configScaleFactor = this._cfgLocal.GetConfigScaleFactor(this.CurrentAutoScaleDimensions);

                this.ClientSize = ScaleBy(configScaleFactor, _cfgLocal.FormSize);
                //_mySize = this.ClientSize;                     //サイズ保持（最小化・最大化されたまま終了した場合の対応用）
                this.DesktopLocation = _cfgLocal.FormLocation;
                //_myLoc = this.DesktopLocation;                        //位置保持（最小化・最大化されたまま終了した場合の対応用）

                // Splitterの位置設定
                var splitterDistance = ScaleBy(configScaleFactor.Height, _cfgLocal.SplitterDistance);
                if (splitterDistance > this.SplitContainer1.Panel1MinSize &&
                    splitterDistance < this.SplitContainer1.Height - this.SplitContainer1.Panel2MinSize - this.SplitContainer1.SplitterWidth)
                {
                    this.SplitContainer1.SplitterDistance = splitterDistance;
                }

                //発言欄複数行
                StatusText.Multiline = _cfgLocal.StatusMultiline;
                if (StatusText.Multiline)
                {
                    var statusTextHeight = ScaleBy(configScaleFactor.Height, _cfgLocal.StatusTextHeight);
                    int dis = SplitContainer2.Height - statusTextHeight - SplitContainer2.SplitterWidth;
                    if (dis > SplitContainer2.Panel1MinSize && dis < SplitContainer2.Height - SplitContainer2.Panel2MinSize - SplitContainer2.SplitterWidth)
                    {
                        SplitContainer2.SplitterDistance = SplitContainer2.Height - statusTextHeight - SplitContainer2.SplitterWidth;
                    }
                    StatusText.Height = statusTextHeight;
                }
                else
                {
                    if (SplitContainer2.Height - SplitContainer2.Panel2MinSize - SplitContainer2.SplitterWidth > 0)
                    {
                        SplitContainer2.SplitterDistance = SplitContainer2.Height - SplitContainer2.Panel2MinSize - SplitContainer2.SplitterWidth;
                    }
                }

                var previewDistance = ScaleBy(configScaleFactor.Width, _cfgLocal.PreviewDistance);
                if (previewDistance > this.SplitContainer3.Panel1MinSize && previewDistance < this.SplitContainer3.Width - this.SplitContainer3.Panel2MinSize - this.SplitContainer3.SplitterWidth)
                {
                    this.SplitContainer3.SplitterDistance = previewDistance;
                }

                // Panel2Collapsed は SplitterDistance の設定を終えるまで true にしない
                this.SplitContainer3.Panel2Collapsed = true;

                _initialLayout = false;
            }
            if (this.WindowState != FormWindowState.Minimized)
            {
                _formWindowState = this.WindowState;
            }
        }