NotifyCollectionChangedEventArgs.OldStartingIndex Property

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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)

Syntax

'Declaration
Public ReadOnly Property OldStartingIndex As Integer

public int OldStartingIndex { get; }

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

Supported in: 5, 4, 3

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.