How to preserved Application Setting for new upgrade?

Question

When upgrading my old app, how do I preserved those old Application Setting that had been set by previous app, so that the new app can use back the old app setting?

thanks.

Answer 1

Here is a MSDN article on ClickOnce Application Settings which explains the approach taken by ClickOnce for migrating application and user settings when upgrading to a newer version of the the application.