TreeViewItemDataAutomationPeer 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 data 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.CustomAttributes.MUXContractProperty(version=0)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.Version(1)]
class TreeViewItemDataAutomationPeer : ItemAutomationPeer, 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 TreeViewItemDataAutomationPeer : ItemAutomationPeer, IExpandCollapseProvider[Microsoft.UI.Xaml.CustomAttributes.MUXContractProperty(version=0)]
[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 TreeViewItemDataAutomationPeer : ItemAutomationPeer, 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 TreeViewItemDataAutomationPeer : ItemAutomationPeer, IExpandCollapseProviderPublic Class TreeViewItemDataAutomationPeer
Inherits ItemAutomationPeer
Implements IExpandCollapseProvider- Inheritance
-
TreeViewItemDataAutomationPeer
- Attributes
-
Microsoft.UI.Xaml.CustomAttributes.MUXContractPropertyAttribute MarshalingBehaviorAttribute ThreadingAttribute VersionAttribute 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
| TreeViewItemDataAutomationPeer(Object, TreeViewListAutomationPeer) |
Initializes a new instance of the TreeViewItemDataAutomationPeer 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 TreeViewItemDataAutomationPeer. 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 Microsoft.UI.Xaml.Automation.Peers.TreeViewItemDataAutomationPeer. 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 Microsoft.UI.Xaml.Automation.Peers.TreeViewItemDataAutomationPeer. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces). |