c# прозрачность Windows Forms

private void InitComponent()

{

         SetStyle(ControlStyles.UserPaint, true);

         SetStyle(ControlStyles.OptimizedDoubleBuffer, true);

         SetStyle(ControlStyles.SupportsTransparentBackColor, true);

         this.BackColor = Color.Transparent;

         this.TransparencyKey = BackColor;

}

C# language specification

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