NotifyCollectionChangedEventArgs Constructor (NotifyCollectionChangedAction, IList, IList, Int32)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes a multi-item Replace change.
Assembly: System (in System.dll)
public NotifyCollectionChangedEventArgs( NotifyCollectionChangedAction action, IList newItems, IList oldItems, int startingIndex )
Parameters
- action
- Type: System.Collections.Specialized.NotifyCollectionChangedAction
The action that caused the event. This can only be set to Replace.
- newItems
- Type: System.Collections.IList
The new items that are replacing the original items.
- oldItems
- Type: System.Collections.IList
The original items that are replaced.
- startingIndex
- Type: System.Int32
The index of the first item of the items that are being replaced.
| Exception | Condition |
|---|---|
| ArgumentException | If action is not Replace. |
| ArgumentNullException | If oldItems or newItems is null. |
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