System.Data.DataView.ColumnCollectionChanged C# (CSharp) Метод

		protected virtual void ColumnCollectionChanged (object sender, CollectionChangeEventArgs e)
		{
			// UpdateIndex() is not invoked here (even if the sort
			// column is being removed).

			// PropertyDescriptor Add
			if (e.Action == CollectionChangeAction.Add)
				OnListChanged (new ListChangedEventArgs (ListChangedType.PropertyDescriptorAdded, 0, 0));

			// PropertyDescriptor Removed
			if (e.Action == CollectionChangeAction.Remove)
				OnListChanged (new ListChangedEventArgs (ListChangedType.PropertyDescriptorDeleted, 0, 0));

			// PropertyDescriptor Changed
			if (e.Action == CollectionChangeAction.Refresh)
				OnListChanged (new ListChangedEventArgs (ListChangedType.PropertyDescriptorChanged, 0, 0));
		}