/// <summary>
/// Determines if two <see cref="Date"/> values are different.
/// </summary>
/// <param name="lhs">The <see cref="Date"/> to compare.</param>
/// <param name="rhs">The <see cref="Date"/> to compare to.</param>
/// <returns><c>true</c> if the two <see cref="Date"/> values are different.</returns>
public static bool NotEqual(Date lhs, Date rhs)
{
return (!lhs.Equals (rhs));
}