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ListBox.SelectedIndexCollection.Item Property

Gets the index value at the specified index within this collection.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public int this[
	int index
] { get; }

Parameters

index
Type: System.Int32

The index of the item in the collection to get.

Property Value

Type: System.Int32
The index value from the ListBox.ObjectCollection that is stored at the specified location.

ExceptionCondition
ArgumentOutOfRangeException

The index parameter is less than zero or greater than or equal to the value of the Count property of the ListBox.SelectedIndexCollection class.

This indexer enables you to get a specific selected index from the ListBox.SelectedIndexCollection. The index stored in the collection is an index into the ListBox.ObjectCollection of the ListBox that represents a selected item in the ListBox.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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