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?

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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