/// <summary>
/// Serves as a hash function for a particular type.
/// </summary>
/// <returns>
/// A hash code for the current <see cref="T:System.Object"/>.
/// </returns>
public override int GetHashCode()
{
return(UnderlyingValue.GetHashCode());
}
public override int GetHashCode()
{
return(UnderlyingValue != null ? UnderlyingValue.GetHashCode() : 0);
}