IComparer example #2

gistfile1.cs

public class UserAgeComparer : IComparer
{
	public int CompareTo(Object x, Object y)
	{
		User userX = x as User;
		User userY = y as User;
		if (userX != null & userY != null)
		{
			// compare the age.
		}
		else
		{
			return 0;
		}
	}
}