Add a DateTime and a TimeSpan. - CSharp System

CSharp examples for System:TimeSpan

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Description

Add a DateTime and a TimeSpan.

Demo Code

// All Rights Reserved
using System.Diagnostics;

public class Main{
        /// <summary>
        /// Add a DateTime and a TimeSpan.
        /// The maximum time is DateTime.MaxTime.  It is not an error if time + timespan > MaxTime.
        /// Just return MaxTime.
        /// </summary>
        /// <param name="time">Initial <see cref="DateTime"/> value.</param>
        /// <param name="timespan"><see cref="TimeSpan"/> to add.</param>
        /// <returns><see cref="DateTime"/> as the sum of time and timespan.</returns>
        public static DateTime Add(DateTime time, TimeSpan timespan)
        {/*from www.  j  av  a  2s .  c  o  m*/
            if (timespan == TimeSpan.Zero)
            {
                return time;
            }

            if (timespan > TimeSpan.Zero && DateTime.MaxValue - time <= timespan)
            {
                return GetMaxValue(time.Kind);
            }

            if (timespan < TimeSpan.Zero && DateTime.MinValue - time >= timespan)
            {
                return GetMinValue(time.Kind);
            }

            return time + timespan;
        }
}

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