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ListView.CheckedIndexCollection Class

Represents the collection containing the indexes to the checked items in a list view control.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

public class CheckedIndexCollection : IList, ICollection, IEnumerable
public class CheckedIndexCollection implements IList, ICollection, 
	IEnumerable
public class CheckedIndexCollection implements IList, ICollection, 
	IEnumerable

A ListView.CheckedIndexCollection stores the indexes to the checked items in a ListView control. Items can be checked only if the CheckBoxes property of the ListView control is set to true. The indexes stored in the ListView.CheckedIndexCollection are index positions within the ListView.ListViewItemCollection. The ListView.ListViewItemCollection stores all items displayed in the ListView control.

The following table is an example of how the ListView.ListViewItemCollection stores the items of the ListView as well as their checked states in an example ListView control.

Index

Item

Checked state in the ListView

0

Item1

Unchecked

1

Item2

Checked

2

Item3

Unchecked

3

Item4

Checked

4

Item5

Checked

Based on the ListView.ListViewItemCollection example in the previous table, the following table demonstrates how the ListView.CheckedIndexCollection would appear.

Index

Index of checked item in ListViewItemCollection

0

1

1

3

2

4

You can use the properties and methods of this class to perform a variety of tasks with the collection. The Contains method enables you to determine whether an index position from the ListView.ListViewItemCollection is one of the indexes stored in the ListView.CheckedIndexCollection. Once you know that the item is in the collection, you can use the IndexOf method to determine the position of the index in the ListView.CheckedIndexCollection.

System.Object
  System.Windows.Forms.ListView.CheckedIndexCollection

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

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