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TreeViewItemAutomationPeer Class

Definition

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Exposes TreeViewItem types to Microsoft UI Automation.

This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).

/// [Microsoft.UI.Xaml.MUXContractProperty(version=6)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.Version(1)]
class TreeViewItemAutomationPeer : ListViewItemAutomationPeer, IExpandCollapseProvider
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.Version(1)]
/// [Microsoft.UI.Xaml.CustomAttributes.MUXContractProperty(version=6)]
class TreeViewItemAutomationPeer : ListViewItemAutomationPeer, IExpandCollapseProvider
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.ContractVersion(Microsoft.UI.Xaml.XamlContract, 65536)]
class TreeViewItemAutomationPeer : ListViewItemAutomationPeer, IExpandCollapseProvider
[Microsoft.UI.Xaml.MUXContractProperty(version=6)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.Version(1)]
public class TreeViewItemAutomationPeer : ListViewItemAutomationPeer, IExpandCollapseProvider
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.Version(1)]
[Microsoft.UI.Xaml.CustomAttributes.MUXContractProperty(version=6)]
public class TreeViewItemAutomationPeer : ListViewItemAutomationPeer, IExpandCollapseProvider
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.ContractVersion(typeof(Microsoft.UI.Xaml.XamlContract), 65536)]
public class TreeViewItemAutomationPeer : ListViewItemAutomationPeer, IExpandCollapseProvider
Public Class TreeViewItemAutomationPeer
Inherits ListViewItemAutomationPeer
Implements IExpandCollapseProvider
Inheritance
TreeViewItemAutomationPeer
Attributes
Microsoft.UI.Xaml.MUXContractPropertyAttribute MarshalingBehaviorAttribute ThreadingAttribute VersionAttribute Microsoft.UI.Xaml.CustomAttributes.MUXContractPropertyAttribute ContractVersionAttribute
Implements

Examples

Tip

The WinUI 3 Gallery and WinUI 2 Gallery apps include interactive examples of most WinUI 3 and WinUI 2 controls, features, and functionality.

If installed already, open them by clicking the following links: WinUI 3 Gallery or WinUI 2 Gallery.

If they are not installed, you can download the WinUI 3 Gallery and the WinUI 2 Gallery from the Microsoft Store.

You can also get the source code for both from GitHub (use the main branch for WinUI 3 and the winui2 branch for WinUI 2).

Constructors

TreeViewItemAutomationPeer(TreeViewItem)

Initializes a new instance of the TreeViewItemAutomationPeer class.

This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).

Properties

ExpandCollapseState

Gets a value indicating the expanded or collapsed state of the associated TreeViewItem.

This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).

Methods

Collapse()

Collapses the associated TreeViewItem.

This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
Expand()

Expands the associated TreeViewItem.

This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).

Applies to

See also

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