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TreeViewExpandingEventArgs Class

  • Reference

Definition

Namespace:
Microsoft.UI.Xaml.Controls
Edit

Provides event data for the TreeView.Expanding event.

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

public ref class TreeViewExpandingEventArgs sealed
/// [Microsoft.UI.Xaml.MUXContractProperty(version=6)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Version(1)]
class TreeViewExpandingEventArgs final
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Version(1)]
/// [Microsoft.UI.Xaml.CustomAttributes.MUXContractProperty(version=6)]
class TreeViewExpandingEventArgs final
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.ContractVersion(Microsoft.UI.Xaml.XamlContract, 65536)]
class TreeViewExpandingEventArgs final
[Microsoft.UI.Xaml.MUXContractProperty(version=6)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Version(1)]
public sealed class TreeViewExpandingEventArgs
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Version(1)]
[Microsoft.UI.Xaml.CustomAttributes.MUXContractProperty(version=6)]
public sealed class TreeViewExpandingEventArgs
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.ContractVersion(typeof(Microsoft.UI.Xaml.XamlContract), 65536)]
public sealed class TreeViewExpandingEventArgs
Public NotInheritable Class TreeViewExpandingEventArgs
Inheritance
Object Platform::Object IInspectable TreeViewExpandingEventArgs
Attributes
Microsoft.UI.Xaml.MUXContractPropertyAttribute MarshalingBehaviorAttribute VersionAttribute Microsoft.UI.Xaml.CustomAttributes.MUXContractPropertyAttribute ContractVersionAttribute

Examples

Tip

For more info, design guidance, and code examples, see TreeView.

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).

Properties

Item

Gets the data item for the tree view node that is expanding.

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

Gets the tree view node that is expanding.

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