C#

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//In constructor, after intialize component call first Paint Event Handler f1_paint.<br />
 private static void f1_paint(object sender, PaintEventArgs e)<br />
        {<br />
            Graphics dc = e.Graphics;<br />
            Pen p = new Pen(Color.White, 3);<br />
            dc.DrawRectangle(p, 478, 10, 487, 352);<br />
            p.Dispose();<br />
        }<br />
        private static void f2_paint(object sender, PaintEventArgs e)<br />
        {<br />
            Graphics dc = e.Graphics;<br />
            Pen o = new Pen(Color.Orange, 5);<br />
            dc.DrawEllipse(o, 717, 176, 5, 5);<br />
            o.Dispose();<br />
        }<br />
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//In timer function will take in mouse input and update circle so need to call f2_paint. <br />
 this.Paint += new PaintEventHandler(f2_paint);<br />