I am working on a dll written in VB.NET that calls another dll written in C++.NET. They are part of a large system comprised of several apps written in VFP, C++, C#, and VB that all must talk to each other.

The C++ dll is registered in my VB.NET dll. When my VB.NET dll trys to call the C++ dll and can't find it, it crashes. I would like to be able to check for the existence of the C++ dll first and if found, then programatically register it in my VB.NET dll.

How is this done? Any suggestions on how to deal with this situtation would be greatly appreciated.

Thanks in advance
Stan