[Mono-dev] Marshaling DateTime type

FirstName LastName mousse_man at hotmail.com
Thu Oct 16 08:12:24 EDT 2008

Thanks everyone.  I think my best bet will be to use the Tick property.

> To: mono-devel-list at lists.ximian.com> From: harinath at hurrynot.org> Date: Wed, 15 Oct 2008 21:11:09 +0530> Subject: Re: [Mono-dev] Marshaling DateTime type> > Hi,> > Robert Jordan <robertj at gmx.net> writes:> > Raja R Harinath wrote:> >> Robert Jordan <robertj at gmx.net> writes:> >>> FirstName LastName wrote:> >>>> What would be the best equivalent unmanaged type (linux and windows)> >>>> to use if I want to marshal a DateTime in the managed world (.NET,> >>>> mono)?> >>> You can't marshal DateTime directly because its internal representation> >>> is different between runtimes *and* profiles. Use DateTime.Tick (an> >>> int64) or a similar era-based representation.> >> > >> But, IIRC, strangely enough, arrays of DateTimes should serialize fine.> >> So, you might be better of using a one-element DateTime array.> >> > Look at DateTime's layout:> >> > public struct DateTime> > {> > private TimeSpan ticks;> > #if NET_2_0> > DateTimeKind kind;> > #endif> > }> >> > Nasty things would happen if the unmanaged code is profile agnostic.> > >From a quick examination of the source code in SVN trunk, my> understanding is that both the Binary and Soap serializers have special> cases for DateTime, which aren't dependent on the exact layout -- and> the serialization is profile-dependent.> > (Of course, since I haven't actually tried it out, I can't guarantee> that it's fully interoperable with .NET.)> > - Hari> > _______________________________________________> Mono-devel-list mailing list> Mono-devel-list at lists.ximian.com> http://lists.ximian.com/mailman/listinfo/mono-devel-list

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