/// <summary> /// Subtracts given decades from the given DateTime. /// </summary> /// <param name="date">The given DateTime.</param> /// <param name="decades">Number of decades to be subtracted.</param> /// <returns>The DateTime after the given decades are subtracted.</returns> public static DateTime SubtractDecades(this DateTime date, int decades) { return(date.AddDecades(decades.Negate())); }
/// <summary> /// Adds one decade to the given DateTime. /// </summary> /// <param name="date">The given DateTime.</param> /// <returns>The DateTime after one decade is added.</returns> public static DateTime AddADecade(this DateTime date) { return(date.AddDecades(1)); }