C# wrapper interface error: E_NOINTERFACE

Question

I am trying to produce a C# wrapper for a COM object that I have (named SC_COM.dll), but am having some issues linking it with Visual Studio 2008 (running Vista). I need to

Answer 1

Try adding this to your App.exe.manifest:

Where TLBID can be found from your Visual Studio generated Native.Namespace.Assembly.Name.manifest, looking like this:

I was banging my head against this for quite some time, but I found these helpful references and pieced it together and it's working for me:

• Why do I get E_NOINTERFACE when creating an object that supports that interface?
• Registration-Free Skype4Com and multithreaded apartment
• Registration-Free Activation of COM Components: A Walkthrough