Description
Use the Expanded property to check whether the control's item is expanded. When the state is expanded, the child items are displayed below the parent item. When it is collapsed, the child items are not displayed. The list automatically toggles between the expanded and collapsed states when the user double-clicks the parent item or when the user clicks the button associated with the parent item.
Declaration
TestObj.Expanded
| Read-Only Property | Boolean |
| TestObj | A variable, parameter or expression that specifies a reference to one of the objects listed in the Applies To section | |||
Applies To
The property is applied to the following objects:
DevExpressASPxTreeListItem, InfragisticsWinTreeItem, JFXTreeViewItem and 11 more objects, JTreeItem, OracleFormsTreeItem, QtTreeWidgetItem, SilverlightTreeViewItem, SyncfusionTreeViewItem, TelerikSilverlightTreeViewItem, TelerikTreeViewItem, TelerikWebTreeViewItem, Win32TreeViewItem, WPFTreeViewItem, YUI2TreeViewItem « Collapse the list
View Mode
To view this property in the Object Browser panel and in other panels and dialogs, activate the Advanced view mode.
Property Value
True if the item is expanded, False if the item is collapsed.
Remarks
To expand an item use the Expand action, to collapse an item use the Collapse action.
Example
To view an example that demonstrates how to use the Expanded property, see Checking Tree View Items’ State.
See Also
Collapse Action (TreeViewItem Objects)
Expand Action (TreeViewItem Objects)