C#

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 />

<br />
public class MyLibraryClass<br />
{<br />
  public int ComputeSomething(int l, int r)<br />
  {<br />
    throw new NotImplementedException();<br />
  }<br />
}<br />