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

		private void OnConstraintCollectionChanged (object sender, CollectionChangeEventArgs args)
		{
			//	The Sort variable is set to the UniqueConstraint column.
			//  if ApplyDefault Sort is true and Sort is null or is not set Explicitly

			// FIXME: The interal cache may change as result of change in Constraint collection
			// one such scenerio is taken care.
			// There may be more. I dont know what else can be done.
			/* useDefaultSort is set to false when Sort is set explicitly */
			if (args.Action == CollectionChangeAction.Add && args.Element is UniqueConstraint) {
				if (ApplyDefaultSort && useDefaultSort)
					PopulateDefaultSort ((UniqueConstraint) args.Element);
			}
			// UpdateIndex() is not invoked here.
		}