ClickOnce custom publish path

Never tried it but when you publish the application, the "Application Files" folder is defined in the deployment manifest (the file SomeApplication.application), so you can change it manually. The downside is that it's generated again every time you publish.
 
So perhaps a better way to do this would be to make the publish manually using Mage. For details, see: http://msdn.microsoft.com/en-us/library/xc3tc5xx.aspx[^]