How can I set the path environnment variable in Visual Studio?

I'm using ILMerge in my post build step.

For interoperability reason I would like use ILMerge relative path.

How can I set the path environment variable accessible f开发者_运维知识库rom my post build step?

The default ILMerge install path isn't relative to anything. If you want to add it to the PATH environment variable then write this in your postbuild event:

set path = %path%;$(programfiles)\microsoft\ilmerge