How can I set application settings at install time (via installer class)

Question

I have a Visual Studio setup project that has an Installer class. In the installer class I set a setting as follows:

MessageBox.Show(Properties.Settings.Defa         


        

Answer 1

The short answer is that it's not supported in installer classes. You just need to understand that installer class methods are called from msiexec.exe running from the system directory, and that environment can't possibly know that you have a settings file somewhere in a directory that it is completely unaware of. That's why it works with code that explicitly goes to the installed location of the file and updates it there.