Your attachement didn't get through unfortunately, but did you try: UnmanagedMarshal um = UnmanagedMarshal.DefineLPArray(typeof(int)); um.ElementCount = count; ParameterBuilder.SetMarshal(em);
Regards, Jeroen > -----Original Message----- > From: Moderated discussion of advanced .NET topics. > [mailto:[EMAIL PROTECTED] On Behalf Of Peter Partch > Sent: Wednesday, February 04, 2004 06:54 > To: [EMAIL PROTECTED] > Subject: [ADVANCED-DOTNET] Reflection.Emit, > MarshalAsAttribute and dealing with SizeParamIndex > > As an 'academic' exercise, I've attempted to create a COM > interop assembly > using classes from the Reflection.Emit namespace. The problem > that I ran > into was in specifying the > SizeParamIndex for an LPArray. > > The generated IL should look something like: > > .method public hidebysig newslot abstract virtual > instance void SetArray([in] int32 count, > [in] int32[] marshal([+0]) 'array') runtime managed > internalcall > > but instead, the 2nd parameter looks like (note the missing > index argument): > > [in] int32[] marshal([]) 'array') runtime managed internalcall > > with an equivalent C# definition of: > > void SetArray( int count, [MarshalAs(UnmanagedType.LPArray, > SizeParamIndex=0)] int[] array); > > I've attached the simplest C# source file that will > demonstrate the Emit > code (as far as I can take it). Any ideas on how to specify > the array size > parameter index for the marshal keyword? > > Peter Partch > > > =================================== > This list is hosted by DevelopMentor(r) http://www.develop.com > Some .NET courses you may be interested in: > > NEW! Guerrilla ASP.NET, 26 Jan 2004, in Los Angeles > http://www.develop.com/courses/gaspdotnetls > > View archives and manage your subscription(s) at > http://discuss.develop.com > > =================================== This list is hosted by DevelopMentorŪ http://www.develop.com Some .NET courses you may be interested in: NEW! Guerrilla ASP.NET, 26 Jan 2004, in Los Angeles http://www.develop.com/courses/gaspdotnetls View archives and manage your subscription(s) at http://discuss.develop.com
