NotifyCollectionChangedEventArgs Constructor (NotifyCollectionChangedAction, 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 change or a Reset change.
Assembly: System (in System.dll)
'Declaration Public Sub New ( _ action As NotifyCollectionChangedAction, _ changedItems As IList, _ startingIndex As Integer _ )
Parameters
- action
- Type: System.Collections.Specialized.NotifyCollectionChangedAction
The action that caused the event. This can be set to Reset, Add, or Remove.
- changedItems
- Type: System.Collections.IList
The items affected by the change.
- startingIndex
- Type: System.Int32
The index where the change occurred.
| Exception | Condition |
|---|---|
| ArgumentException | If action is not Reset, Add, or Remove, if action is Reset and either changedItems is not null or startingIndex is not -1, or if action is Add or Remove and startingIndex is less than -1. |
| ArgumentNullException | If action is Add or Remove and changedItems is null. |