NavigationViewItem.IsExpanded Property

Definition

Namespace:

Microsoft.UI.Xaml.Controls

Gets or sets a value that indicates whether a tree node is expanded. Ignored if there are no menu items.

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

public:
 property bool IsExpanded { bool get(); void set(bool value); };

/// [Microsoft.UI.Xaml.CustomAttributes.MUXPropertyDefaultValue(value="false")]
/// [get: Microsoft.UI.Xaml.CustomAttributes.MUXPropertyDefaultValue(value="false")]
/// [set: Microsoft.UI.Xaml.CustomAttributes.MUXPropertyDefaultValue(value="false")]
/// [Microsoft.UI.Xaml.CustomAttributes.MUXPropertyChangedCallback(enable=true)]
/// [get: Microsoft.UI.Xaml.CustomAttributes.MUXPropertyChangedCallback(enable=true)]
/// [set: Microsoft.UI.Xaml.CustomAttributes.MUXPropertyChangedCallback(enable=true)]
bool IsExpanded();

void IsExpanded(bool value);

[Microsoft.UI.Xaml.CustomAttributes.MUXPropertyDefaultValue(value="false")]
[Microsoft.UI.Xaml.CustomAttributes.MUXPropertyChangedCallback(enable=true)]
public bool IsExpanded { [Microsoft.UI.Xaml.CustomAttributes.MUXPropertyDefaultValue(value="false")] [Microsoft.UI.Xaml.CustomAttributes.MUXPropertyChangedCallback(enable=true)] get; [Microsoft.UI.Xaml.CustomAttributes.MUXPropertyDefaultValue(value="false")] [Microsoft.UI.Xaml.CustomAttributes.MUXPropertyChangedCallback(enable=true)] set; }

Public Property IsExpanded As Boolean

<NavigationViewItem IsExpanded="True" .../>

Property Value

Boolean

bool

true if the tree node is expanded; otherwise, false. The default value is false.

Attributes

Microsoft.UI.Xaml.CustomAttributes.MUXPropertyDefaultValueAttribute Microsoft.UI.Xaml.CustomAttributes.MUXPropertyChangedCallbackAttribute

Remarks

This property is analogous to the TreeViewItem.IsExpanded property.