This class represents the event arguments sent to a UserPreferenceChangingEventHandler . Category specifies the UserPreferenceCategory of user preferences that is changing. public class UserPreferenceChangingEventArgs : EventArgs { // Public Constructors public UserPreferenceChangingEventArgs (UserPreferenceCategory category ); // Public Instance Properties public UserPreferenceCategory Category {get; } } HierarchySystem.Object System.EventArgs UserPreferenceChangingEventArgs Passed ToUserPreferenceChangingEventHandler.{BeginInvoke( ) , Invoke( )} |