System.Configuration.SettingChangingEventArgs

public class SettingChangingEventArgs : CancelEventArgs

public object NewValue { get; }

public string SettingClass { get; }

public string SettingKey { get; }

public string SettingName { get; }

public SettingChangingEventArgs(string settingName, string settingClass, string settingKey, object newValue, bool cancel)