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using System;
using System.Globalization;
public class Example
{
public static void Main()
{
// <Snippet16>
// Round-trip DateTime values.
DateTime originalDate, newDate;
string dateString;
// Round-trip a local time.
originalDate = DateTime.SpecifyKind(new DateTime(2008, 4, 10, 6, 30, 0), DateTimeKind.Local);
dateString = originalDate.ToString("o");
newDate = DateTime.Parse(dateString, null, DateTimeStyles.RoundtripKind);
Console.WriteLine("Round-tripped {0} {1} to {2} {3}.", originalDate, originalDate.Kind,
newDate, newDate.Kind);
// Round-trip a UTC time.
originalDate = DateTime.SpecifyKind(new DateTime(2008, 4, 12, 9, 30, 0), DateTimeKind.Utc);
dateString = originalDate.ToString("o");
newDate = DateTime.Parse(dateString, null, DateTimeStyles.RoundtripKind);
Console.WriteLine("Round-tripped {0} {1} to {2} {3}.", originalDate, originalDate.Kind,
newDate, newDate.Kind);
// Round-trip time in an unspecified time zone.
originalDate = DateTime.SpecifyKind(new DateTime(2008, 4, 13, 12, 30, 0), DateTimeKind.Unspecified);
dateString = originalDate.ToString("o");
newDate = DateTime.Parse(dateString, null, DateTimeStyles.RoundtripKind);
Console.WriteLine("Round-tripped {0} {1} to {2} {3}.", originalDate, originalDate.Kind,
newDate, newDate.Kind);
// Round-trip a DateTimeOffset value.
DateTimeOffset originalDTO = new DateTimeOffset(2008, 4, 12, 9, 30, 0, new TimeSpan(-8, 0, 0));
dateString = originalDTO.ToString("o");
DateTimeOffset newDTO = DateTimeOffset.Parse(dateString, null, DateTimeStyles.RoundtripKind);
Console.WriteLine("Round-tripped {0} to {1}.", originalDTO, newDTO);
// The example displays the following output:
// Round-tripped 4/10/2008 6:30:00 AM Local to 4/10/2008 6:30:00 AM Local.
// Round-tripped 4/12/2008 9:30:00 AM Utc to 4/12/2008 9:30:00 AM Utc.
// Round-tripped 4/13/2008 12:30:00 PM Unspecified to 4/13/2008 12:30:00 PM Unspecified.
// Round-tripped 4/12/2008 9:30:00 AM -08:00 to 4/12/2008 9:30:00 AM -08:00.
// </Snippet16>
}
}