C#

public class ComboItemEx
{
private int id;
private string name;
private string address;
public int ID
{
get
{
 return id;
}
set
{
id=value;
}
}
public string Name
{
get
{
return name ;
}
set
{
name=value;
 }
}
public string Address
{
return address;
}
set
{
address=value;
}
public override ToString()
{
// return what you want to display in combobox
  return name;
}
}
and some where you can add it
CombobItemEx cbi=new CombobItemEx();
cbi.ID=44;
cbi.Name="my name";
cbi.Address="my address"
comboBox1.Items.Add(cbi)

int	length = int.Parse(lengthBox.Text);
float	angleDeg = Math.Max(0.0f, Math.Min(90.0f, float.Parse(angleBox.Text)));
float	angleRad = angleDeg * (float)(Math.PI / 180);

Graphics	g = this.CreateGraphics();
Pen	pen = new Pen(Color.Red, 1);

int	x = 10;
int	y = 150;

// draw line
g.DrawLine(pen, x, y, x + length, y);
// get circle radius
int r = (int) (((double) length / 2) / Math.Sin(angleRad));
//
int h = (int) (Math.Cos(angleRad) * r);
// draw arc
g.DrawArc(pen, x - (r - length / 2), y - (r - h), r * 2, r * 2, -90 + angleDeg, -2 * angleDeg);
//
pen.Dispose();
g.Dispose();

<br />
private DataView dvSortedItems(int[] iSortedList, DataView dvUnsorted)<br />
		{<br />
			dvUnsorted.Table.Columns.Add("colSort");<br />
			for(int i = 0; i < iSortedList.Length; i++)<br />
			{<br />
				foreach(DataRowView drv in dvUnsorted)<br />
				{<br />
					if(drv.Row["itemID"].ToString() == iSortedList[i].ToString())<br />
					{<br />
						drv.Row["colSort"] = i;<br />
						break;<br />
					}<br />
				}               	<br />
			}<br />
			dvUnsorted.Sort = "colSort ASC";<br />
			return dvUnsorted;<br />
		}<br />