Class TabItem

Represents a selectable item in a TabControl.

Inheritance
System.Object
DependencyObject
UIElement
FrameworkElement
Control
ContentControl
TabItem
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: System.Windows.Controls
Assembly: OpenSilver.Controls.dll
Syntax
[TemplatePart(Name = "TemplateTopSelected", Type = typeof(FrameworkElement))]
[TemplatePart(Name = "TemplateBottomSelected", Type = typeof(FrameworkElement))]
[TemplatePart(Name = "TemplateLeftSelected", Type = typeof(FrameworkElement))]
[TemplatePart(Name = "TemplateRightSelected", Type = typeof(FrameworkElement))]
[TemplatePart(Name = "TemplateTopUnselected", Type = typeof(FrameworkElement))]
[TemplatePart(Name = "TemplateBottomUnselected", Type = typeof(FrameworkElement))]
[TemplatePart(Name = "TemplateLeftUnselected", Type = typeof(FrameworkElement))]
[TemplatePart(Name = "TemplateRightUnselected", Type = typeof(FrameworkElement))]
[TemplatePart(Name = "HeaderTopSelected", Type = typeof(ContentControl))]
[TemplatePart(Name = "HeaderBottomSelected", Type = typeof(ContentControl))]
[TemplatePart(Name = "HeaderLeftSelected", Type = typeof(ContentControl))]
[TemplatePart(Name = "HeaderRightSelected", Type = typeof(ContentControl))]
[TemplatePart(Name = "HeaderTopUnselected", Type = typeof(ContentControl))]
[TemplatePart(Name = "HeaderBottomUnselected", Type = typeof(ContentControl))]
[TemplatePart(Name = "HeaderLeftUnselected", Type = typeof(ContentControl))]
[TemplatePart(Name = "HeaderRightUnselected", Type = typeof(ContentControl))]
public class TabItem : ContentControl, IControl, IFrameworkElement, IUIElement, IDependencyObject

Constructors

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TabItem()

Initializes a new instance of the TabItem class.

Declaration
public TabItem()

Fields

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HasHeaderProperty

Identifies the HasHeader dependency property.

Declaration
public static readonly DependencyProperty HasHeaderProperty
Field Value
Type Description
DependencyProperty

The identifier for the HasHeader dependency property.
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HeaderProperty

Identifies the Header dependency property.

Declaration
public static readonly DependencyProperty HeaderProperty
Field Value
Type Description
DependencyProperty

The identifier for the Header dependency property.
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HeaderTemplateProperty

Identifies the HeaderTemplate dependency property.

Declaration
public static readonly DependencyProperty HeaderTemplateProperty
Field Value
Type Description
DependencyProperty

The identifier for the HeaderTemplate dependency property.
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IsFocusedProperty

Identifies the IsFocused dependency property.

Declaration
public static readonly DependencyProperty IsFocusedProperty
Field Value
Type Description
DependencyProperty

The identifier for the IsFocused dependency property.
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IsSelectedProperty

Identifies the IsSelected dependency property.

Declaration
public static readonly DependencyProperty IsSelectedProperty
Field Value
Type Description
DependencyProperty

The identifier for the IsSelected dependency property.

Properties

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HasHeader

Gets a value indicating whether the TabItem has a header.

Declaration
public bool HasHeader { get; }
Property Value
Type Description
System.Boolean

True if Header is not null; otherwise, false.
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Header

Gets or sets the header of the TabItem.

Declaration
public object Header { get; set; }
Property Value
Type Description
System.Object

The current header of the TabItem.
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HeaderTemplate

Gets or sets the template that is used to display the content of the TabItem header.

Declaration
public DataTemplate HeaderTemplate { get; set; }
Property Value
Type Description
DataTemplate

The current template that is used to display TabItem header content.
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IsFocused

Gets a value indicating whether this element has logical focus.

Declaration
public bool IsFocused { get; }
Property Value
Type Description
System.Boolean
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IsSelected

Gets or sets a value indicating whether the TabItem is currently selected.

Declaration
public bool IsSelected { get; set; }
Property Value
Type Description
System.Boolean

True if the TabItem is selected; otherwise, false.
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TabStripPlacement

Gets the location of the tab strip relative to the TabItem content.

Declaration
public Dock TabStripPlacement { get; }
Property Value
Type Description
Dock

The location of the tab strip relative to the TabItem content.

Methods

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OnApplyTemplate()

Builds the visual tree for the TabItem when a new template is applied.

Declaration
public override void OnApplyTemplate()
Overrides
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OnContentChanged(Object, Object)

This method is invoked when the Content property changes.

Declaration
protected override void OnContentChanged(object oldContent, object newContent)
Parameters
Type Name Description
System.Object oldContent

The previous TabItem content.
System.Object newContent

The new TabItem content.
Overrides
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OnCreateAutomationPeer()

Creates and returns an AutomationPeer for this TabItem.

Declaration
protected override AutomationPeer OnCreateAutomationPeer()
Returns
Type Description
AutomationPeer

An automation peer for this TabItem.
Overrides
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OnHeaderChanged(Object, Object)

Called when the Header property changes.

Declaration
protected virtual void OnHeaderChanged(object oldHeader, object newHeader)
Parameters
Type Name Description
System.Object oldHeader

The previous value of the Header property.
System.Object newHeader

The new value of the Header property.
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OnHeaderTemplateChanged(DataTemplate, DataTemplate)

Called when the HeaderTemplate property changes.

Declaration
protected virtual void OnHeaderTemplateChanged(DataTemplate oldHeaderTemplate, DataTemplate newHeaderTemplate)
Parameters
Type Name Description
DataTemplate oldHeaderTemplate

The previous value of the HeaderTemplate property.
DataTemplate newHeaderTemplate

The new value of the HeaderTemplate property.
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OnIsFocusChanged(DependencyPropertyChangedEventArgs)

Called when the IsFocused property changes.

Declaration
protected virtual void OnIsFocusChanged(DependencyPropertyChangedEventArgs e)
Parameters
Type Name Description
DependencyPropertyChangedEventArgs e

A DependencyPropertyChangedEventArgs that contains the event data.
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OnKeyDown(KeyEventArgs)

This is the method that responds to the KeyDown event.

Declaration
protected override void OnKeyDown(KeyEventArgs e)
Parameters
Type Name Description
KeyEventArgs e

A KeyEventArgs that contains the event data.
Overrides
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OnSelected(RoutedEventArgs)

Called to indicate that the IsSelected property has changed to true.

Declaration
protected virtual void OnSelected(RoutedEventArgs e)
Parameters
Type Name Description
RoutedEventArgs e

A RoutedEventArgs that contains the event data.
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OnUnselected(RoutedEventArgs)

Called to indicate that the IsSelected property has changed to false.

Declaration
protected virtual void OnUnselected(RoutedEventArgs e)
Parameters
Type Name Description
RoutedEventArgs e

A RoutedEventArgs that contains the event data.

Extension Methods