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Good tutorial on Windows APIanyone could tell me a good tutorial/website/articles/books that explains what System.Marshal** actually does and how to make those structures that some windows api methods need passed in/out. So far i've used mostly methods that send in/out strings, bool, integer and so on, easy to convert into CLR types, but some methods need structures and some of these have quite some exotic <parameters> set. How do people know when that is needed to be set is a mystery to me (i would like to learn it). Example: <StructLayout(LayoutKind.Sequential)> _ Public Structure StartUpInfo Public cb As Integer <MarshalAs(UnmanagedType.LPTStr)> Public lpReserved As String <MarshalAs(UnmanagedType.LPTStr)> Public lpDesktop As String .... this article was great: http://msdn.microsoft.com/library/default.asp?url=/msdnmag/issues/03/07/NET/toc.asp Good website for both C# and VB
http://www.pinvoke.net/ Show quoteHide quote "Jarod_24" <jarod***@hotmail.com> wrote in message news:43db3a4e$0$3737$6d36acad@titian.nntpserver.com... > I've been using a lot of <DllImports> as of late and i was wondering if > anyone could tell me a good tutorial/website/articles/books > that explains what System.Marshal** actually does and how to make those > structures that some windows api methods need passed in/out. > > So far i've used mostly methods that send in/out strings, bool, integer > and so on, easy to convert into CLR types, but some methods need > structures and some of these have quite some exotic <parameters> set. How > do people know when that is needed to be set is a mystery to me (i would > like to learn it). > > Example: > > <StructLayout(LayoutKind.Sequential)> _ > Public Structure StartUpInfo > Public cb As Integer > <MarshalAs(UnmanagedType.LPTStr)> Public lpReserved As String > <MarshalAs(UnmanagedType.LPTStr)> Public lpDesktop As String > ... > > > > this article was great: > http://msdn.microsoft.com/library/default.asp?url=/msdnmag/issues/03/07/NET/toc.asp > > 
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