System.ComponentModel.Design.IComponentChangeService public interface IComponentChangeService Documentation event ComponentEventHandler ComponentAdded event ComponentEventHandler ComponentAdding event ComponentChangedEventHandler ComponentChanged event ComponentChangingEventHandler ComponentChanging event ComponentEventHandler ComponentRemoved event ComponentEventHandler ComponentRemoving event ComponentRenameEventHandler ComponentRename void OnComponentChanged(object component, MemberDescriptor member, object oldValue, object newValue) void OnComponentChanging(object component, MemberDescriptor member)