TreeView.ExpandSubtree Method

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
)

Parameters

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

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4
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