TreeViewItem Class

Definition

Namespace:

Microsoft.UI.Xaml.Controls

Represents the container for an item in a TreeView control.

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

/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Microsoft.UI.Xaml.CustomAttributes.MUXPropertyChangedCallbackMethodName(value="OnPropertyChanged")]
/// [Windows.Foundation.Metadata.ContractVersion(Microsoft.UI.Xaml.XamlContract, 65536)]
class TreeViewItem : ListViewItem

[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Microsoft.UI.Xaml.CustomAttributes.MUXPropertyChangedCallbackMethodName(value="OnPropertyChanged")]
[Windows.Foundation.Metadata.ContractVersion(typeof(Microsoft.UI.Xaml.XamlContract), 65536)]
public class TreeViewItem : ListViewItem

Public Class TreeViewItem
Inherits ListViewItem

Inheritance

ListViewItem

TreeViewItem

Attributes

MarshalingBehaviorAttribute ThreadingAttribute Microsoft.UI.Xaml.CustomAttributes.MUXPropertyChangedCallbackMethodNameAttribute ContractVersionAttribute

Examples

Tip

For more info, design guidance, and code examples, see Tree view.

Open the WinUI 2 Gallery app and see TreeView in action.

The WinUI 2 Gallery app includes interactive examples of most WinUI 2 controls, features, and functionality. Get the app from the Microsoft Store or get the source code on GitHub.

Constructors

TreeViewItem()

Initializes a new instance of the TreeViewItem control. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).

Properties

CollapsedGlyph	Gets or sets the glyph to show for a collapsed tree node. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
CollapsedGlyphProperty	Identifies the CollapsedGlyph dependency property. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
ExpandedGlyph	Gets or sets the glyph to show for an expanded tree node. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
ExpandedGlyphProperty	Identifies the ExpandedGlyph dependency property. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
GlyphBrush	Gets or sets the Brush used to paint node glyphs on a TreeView. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
GlyphBrushProperty	Identifies the GlyphBrush dependency property. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
GlyphOpacity	Gets or sets the opacity of node glyphs on a TreeView. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
GlyphOpacityProperty	Identifies the GlyphOpacity dependency property. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
GlyphSize	Gets or sets the size of node glyphs on a TreeView. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
GlyphSizeProperty	Identifies the GlyphSize dependency property. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
HasUnrealizedChildren	Gets or sets a value that indicates whether the current item has child items that haven't been shown. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
HasUnrealizedChildrenProperty	Identifies the HasUnrealizedChildren dependency property. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
IsExpanded	Gets or sets a value that indicates whether a tree node is expanded. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
IsExpandedProperty	Identifies the IsExpanded dependency property. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
ItemsSource	Gets or sets an object source used to generate the content of the TreeView. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
ItemsSourceProperty	Identifies the ItemsSource dependency property. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
TreeViewItemTemplateSettings	Gets an object that provides calculated values that can be referenced as {TemplateBinding} markup extension sources when defining templates for a TreeViewItem control. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
TreeViewItemTemplateSettingsProperty	Identifies the TreeViewItemTemplateSettings dependency property. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).

See also

• TreeView
• TreeViewItemInvokedEventArgs
• TreeViewItemTemplateSettings
• TreeViewList
• TreeView overview