Make sure when extending a class, you use the word “extend” and not “extends”
Category: Problems
Saving settings to app.config for C# winforms app
Follow the following stackoverflow question:
http://stackoverflow.com/questions/30572923/read-all-key-values-from-app-config-c-sharp
Configuration config = ConfigurationManager.OpenExeConfiguration(Application.ExecutablePath);
config.AppSettings.Settings.Remove("MySetting");
config.AppSettings.Settings.Add("MySetting", "some value");
config.Save(ConfigurationSaveMode.Modified);