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NotifyCollectionChangedEventArgs.OldStartingIndex Property

Gets the index at which the change occurred for a Replace or Remove action.

Namespace:  System.Collections.Specialized
Assembly:  System.Windows (in System.Windows.dll)

public int OldStartingIndex { get; }

Property Value

Type: System.Int32
The index at which the change occurred for a Replace or Remove action.

OldStartingIndex will contain the following depending on the Action being reported in the event data:

Action

Add contains:

Add

-1

Remove

The index where the removal occurred.

Replace

The index of the replaced item.

Reset

-1

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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