ExpandSubtree Method

TreeView.ExpandSubtree Method (TreeViewItem)

.NET Framework 4.6 and 4.5

Expands the specified TreeViewItem control and all its child TreeViewItem elements.

Namespace:   System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

protected virtual bool ExpandSubtree(
	TreeViewItem container


Type: System.Windows.Controls.TreeViewItem

The TreeViewItem to expand.

Return Value

Type: System.Boolean

true if the specified TreeViewItem and all its child elements were expanded; otherwise, false.

.NET Framework
Available since 4.0
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