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Asked: 2026-05-10T17:07:14+00:00

How do I use system environment variables in my project post-build events without having

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How do I use system environment variables in my project post-build events without having to write and execute an external batch file? I thought that it would be as easy as creating a new environment variable named LHDLLDEPLOY and writing the following in my post-build event textbox:

copy $(TargetPath) %LHDLLDEPLOY%\$(TargetFileName) /Y copy $(TargetName).pdb %LHDLLDEPLOY%\$(TargetName).pdb /Y

…but alas, no. The build output shows that it wrote the files to the ‘%LHDLLDEPLOY%‘ folder (as ‘1 file(s) copied‘ twice), but the files are not in the equated path and there is not a new folder called ‘LHDLLDEPLOY‘

Where did they actually go, and how do I do this correctly?

(UPDATE: Xavier nailed it. Also, his variable format of $(LHDLLDEPLOY) worked after I rebooted the machine to refresh the environment variables.)

(UPDATE 2: Turns out that I did not have to reboot my machine. I just needed to make sure that I a) closed the Environment Variables list window, and b) closed/relaunched Visual Studio.)

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1 Answer

  1. Did you try $(LHDLLDEPLOY) instead of %LHDLLDEPLOY%?

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