///<summary> ///Performs additional custom processes when removing an element from the <see cref="T:System.Collections.CollectionBase"></see> instance. ///</summary> /// ///<param name="value">The value of the element to remove from index.</param> ///<param name="index">The zero-based index at which value can be found.</param> protected override void OnRemove(int index, object value) { var e = new GenericCancelEventArgs <T>((T)value); if (Removing != null) { Removing(index, e); if (e.Cancel) { return; } } base.OnRemove(index, value); }
///<summary> ///Performs additional custom processes when clearing the contents of the <see cref="T:System.Collections.CollectionBase"></see> instance. ///</summary> /// protected override void OnClear() { var e = new GenericCancelEventArgs <GenericCollection <T> >(this); if (Clearing != null) { Clearing(e); if (e.Cancel) { return; } } base.OnClear(); }