How can I watch the user.config file and reload the settings when it changes?

Question

I have a situation where I am running multiple instances of my WPF application. I want the instances to share the same user.config file. Currently, whichever instance writes t

Answer 1

I found it. The following code will return the path to the user.config file. You need to add a reference to System.Configuration.dll

Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.PerUserRoamingAndLocal);
string path = config.FilePath;

Now I can use a FileSystemWatcher to get notified when the file changes.