hooking SetErrorInfo of managed COM object from unmanged code does no longer work since CLR4.0

Hi,

for .Net 3.5 we created a hook into SetErrorInfo to get additional information of manged COM objects like the callstack.
We implemented the hook like desscribed in this article: http://msdn.microsoft.com/en-us/magazine/cc188710.aspx

But since we need to use .Net 4.0 for our assemblies the hook no longer works. As soon as an exception occurs in the manged COM object we get an access violation to addresses outside of our unmanged programm.

Any ideas how to fix this? Does CLR4 no longer call SetErrorInfo for exceptions?

Best regards,
 
Harald Binkle