int bitmapHeight = button1.Top- 20

bitmap = new Bitmap(bitmapWidth, bitmapHeight, this.CreateGraphics())

Graphics g = Graphics.FromImage(bitmap)

g.Clear(this.BackColor)

g.FillEllipse(new SolidBrush(Color.YellowGreen),5,5 ,bitmapWidth - 10, bitmapHeight - 10)

g.DrawRectangle(new Pen(Color.Black, 4.0f), 1, 1, bitm