To Relative Time Future - CSharp System

CSharp examples for System:DateTime Format

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Description

To Relative Time Future

Demo Code


using System;//from   www  .j  a  va  2s .co  m

public class Main{
        private static string _ToRelativeTimeFuture(DateTime dt, DateTime utcNow)
        {
            TimeSpan ts = dt - utcNow;
            double delta = ts.TotalSeconds;

            if (delta < 60)
            {
                return ts.Seconds == 1 ? "in 1 second" : "in " + ts.Seconds + " seconds";
            }
            if (delta < 3600) // 60 mins * 60 sec
            {
                return ts.Minutes == 1 ? "in 1 minute" : "in " + ts.Minutes + " minutes";
            }
            if (delta < 86400) // 24 hrs * 60 mins * 60 sec
            {
                return ts.Hours == 1 ? "in 1 hour" : "in " + ts.Hours + " hours";
            }

            // use our own rounding so we can round the correct direction for future
            var days = (int)Math.Round(ts.TotalDays, 0);
            if (days == 1)
            {
                return "tomorrow";
            }
            else if (days <= 10)
            {
                return "in " + days + " day" + (days > 1 ? "s" : "");
            }
            // if the date is in the future enough to be in a different year, display the year
            if (utcNow.Year != dt.Year)
                return "on " + dt.ToString(@"MMM %d \'yy 'at' %H:mmm");
            else
                return "on " + dt.ToString("MMM %d 'at' %H:mmm");
        }
}

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