ListBox.SelectedObjectCollection Class
Assembly: System.Windows.Forms (in system.windows.forms.dll)
The ListBox.SelectedObjectCollection class stores the selected items in the ListBox. The items stored in the ListBox.SelectedObjectCollection are items contained within the ListBox.ObjectCollection class. The ListBox.ObjectCollection class stores all items displayed in the ListBox.
The following table is an example of how the ListBox.ObjectCollection stores the items of the ListBox as well as their selection states within an example ListBox.
| Index | Item | Selection state within the ListBox |
|---|---|---|
| 0 | object1 | Unselected |
| 1 | object2 | Selected |
| 2 | object3 | Unselected |
| 3 | object4 | Selected |
| 4 | object5 | Selected |
Based on the ListBox.ObjectCollection demonstrated in the previous table, the following table demonstrates how the ListBox.SelectedObjectCollection would appear.
| Index | Selected item from ObjectCollection |
|---|---|
| 0 | object2 |
| 1 | object4 |
| 2 | object5 |
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 item from the ListBox.ObjectCollection class is a member of the ListBox.SelectedObjectCollection. Once you know that the item is located within the collection, you can use the IndexOf method to determine where a specific item within the ListBox.ObjectCollection for the ListBox is stored within the ListBox.SelectedObjectCollection.
Windows 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.