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NotifyCollectionChangedEventArgs Constructor (NotifyCollectionChangedAction, Object, Object, Int32)

Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes a one-item Replace change.

Namespace:  System.Collections.Specialized
Assemblies:   System (in System.dll)
  System.ObjectModel (in System.ObjectModel.dll)

public NotifyCollectionChangedEventArgs(
	NotifyCollectionChangedAction action,
	Object newItem,
	Object oldItem,
	int index
)

Parameters

action
Type: System.Collections.Specialized.NotifyCollectionChangedAction

The action that caused the event. This can 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.

index
Type: System.Int32

The index of the item being replaced.

ExceptionCondition
ArgumentException

If action is not Replace.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
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