private void ShakeWindow()
{
Random ran = new Random();
System.Drawing.Point point = this.Location;
for (int i = 0; i < 30; i++)
{
this.Location = new System.Drawing.Point(point.X + ran.Next(8), point.Y + ran.Next(8));
System.Threading.Thread.Sleep(15);
this.Location = point;
System.Threading.Thread.Sleep(15);
}
}