I want to get a Timespan structure which represent a year in C#.
A TimeSpan object represents a time interval (duration of time or elapsed time) that is measured as a positive or negative number of days, hours, minutes, seconds, and fractions of a second. The TimeSpan structure can also be used to represent the time of day, but only if the time is unrelated to a particular date.
Add() Method in C# This method is used to a get new TimeSpan object whose value is the sum of the specified TimeSpan object and this instance. Syntax public TimeSpan Add (TimeSpan t);
To convert a DateTime to a TimeSpan you should choose a base date/time - e.g. midnight of January 1st, 2000, and subtract it from your DateTime value (and add it when you want to convert back to DateTime ). If you simply want to convert a DateTime to a number you can use the Ticks property.
The tricky thing is that what a year is, depends on where it starts.
You can do
DateTime now = DateTime.Now; TimeSpan span = now.AddYears(1) - now;
This would give you the 1 year timespan
from the current moment to one year later
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