C# 控件(元件)改變大小時閃爍問題

資料來源: https://learn.microsoft.com/zh-tw/dotnet/desktop/winforms/advanced/how-to-reduce-graphics-flicker-with-double-buffering-for-forms-and-controls?view=netframeworkdesktop-4.8

https://blog.csdn.net/shu19880720/article/details/105789268

把下面程式碼放在表單建構子

            //---
            //C#控件改变大小时闪烁问题
            SetStyle(ControlStyles.DoubleBuffer, true);
            SetStyle(ControlStyles.AllPaintingInWmPaint, false);
            SetStyle(ControlStyles.ResizeRedraw, true);
            SetStyle(ControlStyles.UserPaint, true);
            SetStyle(ControlStyles.SupportsTransparentBackColor, true);
            this.UpdateStyles();
            //---C#控件改变大小时闪烁问题