winform窗体抖动效果

C# 窗体抖动

public void ShawForm()
{
         Random ran = new Random((int)DateTime.Now.Ticks);

            Point point = this.Location;

            for (int i = 0; i < 40; i++)
            {
                this.Location = new Point(point.X + ran.Next(8) - 4, point.Y + ran.Next(8) - 4);

                System.Threading.Thread.Sleep(15);

                this.Location = point;

                System.Threading.Thread.Sleep(15);
            }
}