| public CompareTo ( object obj ) : int | ||
| obj | object | The object to compare to. |
| return | int | |
public int CompareTo(object obj)
{
Postcode other;
try
{
other = (Postcode) obj;
}
catch (InvalidCastException)
{
throw new ArgumentException("obj is not a Postcode");
}
if (this < other)
{
return -1;
}
if (this > other)
{
return 1;
}
return 0;
}