"Thomas S. Trias" wrote:

> I have a web service proxy developed in .NET 1.1. It is used by traditional
> ASP, and I have some test projects that use it in other COM environments.
>
> We are migrating to VS 2005 / .NET 2.0, so I installed VS 2005 (which
> installed .NET 2.0).
>
> I can still access almost every property or method on the proxy and its
> related results. However, since .NET 2.0 updated mscoree.dll, any attempt to
> use "For Each" on my collection classes fails. I can call the hidden
> _NewEnum methods directly and get an IEnumVariant interface pointer, but this
> doesn't hep much in ASP.
>
> I also noticed, on a most likely related note, that if I use the 2.0 version
> of RegAsm, it no longer respects my proper use of negative DISPIDs when
> generating the type library. VB and VBScript use IDispatch and the DISPID of
> -4 (0xFFFFFFFC) in order to perform the magic behind "For Each". Could this
> be why I am experiencing this problem? Regardless of how the proxy is
> compiled or registered, "For Each" still fails.
>
> Will registering the older version of mscoree.dll as the inprocserver32
> help? Is there a way to extract it from the .NET 1.1 distributable, or do I
> have to do a complete fresh install of the 1.1 framework? I will try it and
> see, but any insight would be great.
>
> This does not bode well for side-by-side execution and COM Interop...
>