>You needn't copy regasm.exe at all.
>.NET Framework always installed in the fixed place under Windows directory.
>
>You just need to know which version of .NET Freamework your dll is using.
>
>Write something like this
>
>*If dll compiled for .NET 2.0
>regasm = "Run /N "+GetEnv("windir")+"\Microsoft.NET\Framework\v2.0.50727\regasm.exe YOUR_LIBRARY.DLL"
>*If dll compiled for .NET 1.1
>regasm = "Run /N "+GetEnv("windir")+"\Microsoft.NET\Framework\v1.1.4322\regasm.exe YOUR_LIBRARY.DLL"
>*Execute it
>®asm

I guess it would be better to have this as some external file with paths. Because there are .NET 3.0 and .NET 3.5