这个在创建form的时候已经使能了，但还是闪，无论是1ms还是100ms定时刷新都闪，感觉好像CPU忙不过来的样子

this.SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw |ControlStyles.AllPaintingInWmPaint, true);

this.UpdateStyles();

【 在 keygen 的大作中提到: 】
: 试试启用双buffer
: https://docs.microsoft.com/en-us/dotnet/desktop/winforms/advanced/how-to-reduce-graphics-flicker-with-double-buffering-for-forms-and-controls?view=netframeworkdesktop-4.8
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