NotifyCollectionChangedEventArgs Constructor (NotifyCollectionChangedAction, Object, Object)
[ 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 one-item Replace change.
Assembly: System (in System.dll)
'Declaration Public Sub New ( _ action As NotifyCollectionChangedAction, _ newItem As Object, _ oldItem As Object _ )
Parameters
- action
- Type: System.Collections.Specialized.NotifyCollectionChangedAction
The action that caused the event. This can only be set to Replace.
- newItem
- Type: System.Object
The new item that is replacing the original item.
- oldItem
- Type: System.Object
The original item that is replaced.
| Exception | Condition |
|---|---|
| ArgumentException | If action is not Replace. |
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