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TreeViewItem.OnKeyDown Method

Provides class handling for a KeyDown event.

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

protected override void OnKeyDown(
	KeyEventArgs e
)

Parameters

e
Type: System.Windows.Input.KeyEventArgs

The event data.

This method sets Handled to true and collapses or expands the TreeViewItem when one of the following keys is pressed:

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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