Access path of other support files

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C#

C#4.0

Dear All,

I have Problem to Access path of other support files when i click on main.exe ni .Net.
In setup msi/exe i put a installer code of SqlServer.In there i have create support folder in this folder put Sql Express file.then create setup file.All process has been
successfully done,but when i am try to install this setup.exe that time throw me Error Message "path not found"how Can I get path of Support Folder when i click on setup exe.

Thanks,