Start an Application with Process.Start once Deployed

After publishing two different window form exe projects with vs2005.

Call one App1 and one App2, both have been deployed to a client.

How would I start a process for App2 from App1

In most cases App1 would start the process with the following code:

Dim myProcess As Process = System.Diagnostics.Process.Start(ProgramPath, Arguments)

Where ProgramPath would be set to ProgramPath="C:\DotNet\App2\bin\App2.exe"

Once published how do I determine what path to use to start  published App2