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.NET Forum / .NET Framework / CLR / May 2004COM -> CSharp Interface generator
Does anybody know of a tool of some sort that can generate a C# interface from a COM interface? I need to pull a ton of interfaces out of an existing application and it sure would be lot nicer to get at least a rough headstart with these interfaces. Is there such thing before I sit down and write somehting like this on my own? +++ Rick ---  SignatureRick Strahl West Wind Technologies http://www.west-wind.com/ http://www.west-wind.com/weblog/ ---------------------------------- Making waves on the Web > Does anybody know of a tool of some sort that can generate a C# interface > from a COM interface? I need to pull a ton of interfaces out of an existing [quoted text clipped - 3 lines] > Is there such thing before I sit down and write somehting like this on my > own? Hi Rick, I haven't seen anything that does that. However, here's an idea that I'll throw out there to see if it will save you some work. What if you used reflection on the tlbimp.exe generated proxy to pull out the interfaces and generate code from there. Joe Signaturehttp://www.csharp-station.com Hi Joe, yeah, I know I can do that. I was hoping to avoid that somehow. Maybe the way to do this is to use TLBIMP and then decompile the code it gens? I suspect that sin't going to work on that code because of all the Attributes requirement to the COM interop stuff work. +++ Rick --- SignatureRick Strahl West Wind Technologies http://www.west-wind.com/ http://www.west-wind.com/weblog/ ---------------------------------- Making waves on the Web > > Does anybody know of a tool of some sort that can generate a C# interface > > from a COM interface? I need to pull a ton of interfaces out of an [quoted text clipped - 14 lines] > > Joe > Hi Joe, > [quoted text clipped - 3 lines] > gens? I suspect that sin't going to work on that code because of all the > Attributes requirement to the COM interop stuff work. That's a thought. I haven't used the Anakrino decompiler, but have seen some people recommend it: http://www.saurik.com/ Joe Signaturehttp://www.csharp-station.com Anakrino isnt really useful for getting C# for COM interfaces. The FileDisassembler add-in at http://www.denisbauer.com/NETTools/ does a really good job on this as I just found out :-) > > Hi Joe, > > [quoted text clipped - 10 lines] > > Joe Rick, Aurigma had a tool that generated source code instead of compiled assemblies (at http://www.aurigma.com/Products/COMtoNET/) that used to be available in public beta, but it doesn't appear to be anymore. You can't use Reflection to build your own interop assembly decompiler, because Reflection doesn't return interop related metadata (at least not in pre-Whidbey versions). I've been working on a decompiler that uses the unmanaged metadata APIs instead. It's not finished, but it may be good enough if you're interested. Mattias SignatureMattias Sjögren [MVP] mattias @ mvps.org http://www.msjogren.net/dotnet/ | http://www.dotnetinterop.com Please reply only to the newsgroup. doesn't visual studio 7.1 have this built in? where it imports an com interface for you to use in c#? > Does anybody know of a tool of some sort that can generate a C# interface > from a COM interface? I need to pull a ton of interfaces out of an existing [quoted text clipped - 5 lines] > > +++ Rick --- Yeah TLBIMP does, but it doesn't generate the source for it. It's all or nothing. I need to pull in a few interfaces of a huge type library and don't want the baggage of a 7meg file... +++ Rick --- SignatureRick Strahl West Wind Technologies http://www.west-wind.com/ http://www.west-wind.com/weblog/ ---------------------------------- Making waves on the Web > doesn't visual studio 7.1 have this built in? where it imports an com > interface for you to use in c#? [quoted text clipped - 9 lines] > > > > +++ Rick --- Our Decompiler.NET product fully supports generating COM interface sources from compiled .NET assemblies. It reads custom attributes and metadata such as FieldMarshal Info, Struct Layout attributes, DllImport attributes, etc. directly from the PE file. You can download a free trial version and see how well it works from http://www.junglecreatures.com/ Jonathan Pierce President Jungle Creatures, Inc. http://www.junglecreatures.com/ Email: support@junglecreatures.com/ You can use the FileDisassembler add-in for Reflector (available at http://www.denisbauer.com/NETTools/) > Our Decompiler.NET product fully supports generating COM interface > sources from compiled .NET assemblies. It reads custom attributes and [quoted text clipped - 8 lines] > http://www.junglecreatures.com/ > Email: support@junglecreatures.com/ Any decompiler can't produce real same code of produced TLBIMP utility - Try this - open interop assembly in the ildasm and see the attributes of some methods of some COM interface - you'll see <internalcall> attribute - it means that this method will execute thru .Net VM. This attribute - is internal for .net framework attribute that you can't atach to source, unfortunately :( I've experimented with the Text Object Model (TOM) but have no good results with using decompiled from tom.dll produced by tlbimp. -- Best regards, Victor Victorov Spices.Net - class browser, decompiler, obfuscator, modeler for your .Net apps. 9Rays.Net The issue is not the internalcall but the fact that it is also marked "runtime". However, in all cases that I ran into this hasnt been a problem so far. If you know what you're doing it really works like charm. > Any decompiler can't produce real same code of produced TLBIMP utility - > Try this - open interop assembly in the ildasm and see the attributes of [quoted text clipped - 11 lines] > apps. > 9Rays.Net
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