Class AccordionItem

Represents a control that displays a header and has a collapsible content window.

Inheritance
System.Object
DependencyObject
UIElement
FrameworkElement
Control
ContentControl
HeaderedContentControl
AccordionItem
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.Layout.Toolkit.dll
Syntax
[TemplatePart(Name = "ExpandSite", Type = typeof(ExpandableContentControl))]
[TemplatePart(Name = "ExpanderButton", Type = typeof(AccordionButton))]
[StyleTypedProperty(Property = "AccordionButtonStyle", StyleTargetType = typeof(AccordionButton))]
[StyleTypedProperty(Property = "ExpandableContentControlStyle", StyleTargetType = typeof(ExpandableContentControl))]
public class AccordionItem : HeaderedContentControl, IControl, IFrameworkElement, IUIElement, IDependencyObject

Constructors

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AccordionItem()

Initializes a new instance of the AccordionItem class.

Declaration
public AccordionItem()

Fields

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AccordionButtonStyleProperty

Identifies the AccordionButtonStyle dependency property.

Declaration
public static readonly DependencyProperty AccordionButtonStyleProperty
Field Value
Type Description
DependencyProperty
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ContentTargetSizeProperty

Identifies the ContentTargetSize dependency property.

Declaration
public static readonly DependencyProperty ContentTargetSizeProperty
Field Value
Type Description
DependencyProperty
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ExpandableContentControlStyleProperty

Identifies the ExpandableContentControlStyle dependency property.

Declaration
public static readonly DependencyProperty ExpandableContentControlStyleProperty
Field Value
Type Description
DependencyProperty
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ExpandDirectionProperty

Identifies the ExpandDirection dependency property.

Declaration
public static readonly DependencyProperty ExpandDirectionProperty
Field Value
Type Description
DependencyProperty
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IsSelectedProperty

Identifies the IsSelected dependency property.

Declaration
public static readonly DependencyProperty IsSelectedProperty
Field Value
Type Description
DependencyProperty

Properties

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AccordionButtonStyle

Gets or sets the Style used by AccordionButton.

Declaration
public Style AccordionButtonStyle { get; set; }
Property Value
Type Description
Style
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ContentTargetSize

Gets the Size that the content will animate to.

Declaration
public Size ContentTargetSize { get; }
Property Value
Type Description
Size
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ExpandableContentControlStyle

Gets or sets the Style used by ExpandableContentControl.

Declaration
public Style ExpandableContentControlStyle { get; set; }
Property Value
Type Description
Style
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ExpandDirection

Gets the direction in which the AccordionItem content window opens.

Declaration
public ExpandDirection ExpandDirection { get; protected set; }
Property Value
Type Description
ExpandDirection
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IsLocked

Gets a value indicating whether the AccordionItem cannot be selected by the user.

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

True if this instance is locked; otherwise, false.
Remarks

The IsSelected property may not be changed when the AccordionItem is locked. Locking occurs when the item is the first in the list, the SelectionMode of Accordion requires atleast one selected AccordionItem and the AccordionItem is currently selected.

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IsSelected

Gets or sets a value indicating whether the AccordionItem is selected and its content window is visible.

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

Methods

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OnAccordionButtonStyleChanged(Style, Style)

Called when AccordionButtonStyle is changed.

Declaration
protected virtual void OnAccordionButtonStyleChanged(Style oldStyle, Style newStyle)
Parameters
Type Name Description
Style oldStyle

The old style.
Style newStyle

The new style.
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OnApplyTemplate()

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

Declaration
public override void OnApplyTemplate()
Overrides
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OnCreateAutomationPeer()

Returns a AccordionItemAutomationPeer for use by the Silverlight automation infrastructure.

Declaration
protected override AutomationPeer OnCreateAutomationPeer()
Returns
Type Description
AutomationPeer

A AccordionItemAutomationPeer object for the AccordionItem.
Overrides
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OnExpandableContentControlStyleChanged(Style, Style)

Called when ExpandableContentControlStyle is changed.

Declaration
protected virtual void OnExpandableContentControlStyleChanged(Style oldStyle, Style newStyle)
Parameters
Type Name Description
Style oldStyle

The old style.
Style newStyle

The new style.
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OnGotFocus(RoutedEventArgs)

Provides handling for the GotFocus event.

Declaration
protected override void OnGotFocus(RoutedEventArgs e)
Parameters
Type Name Description
RoutedEventArgs e

The data for the event.
Overrides
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OnKeyDown(KeyEventArgs)

Provides handling for the KeyDown event.

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

Key event args.
Overrides
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OnLostFocus(RoutedEventArgs)

Provides handling for the LostFocus event.

Declaration
protected override void OnLostFocus(RoutedEventArgs e)
Parameters
Type Name Description
RoutedEventArgs e

The data for the event.
Overrides
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OnMouseEnter(MouseEventArgs)

Provides handling for the MouseEnter event.

Declaration
protected override void OnMouseEnter(MouseEventArgs e)
Parameters
Type Name Description
MouseEventArgs e

The data for the event.
Overrides
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OnMouseLeave(MouseEventArgs)

Provides handling for the MouseLeave event.

Declaration
protected override void OnMouseLeave(MouseEventArgs e)
Parameters
Type Name Description
MouseEventArgs e

The data for the event.
Overrides
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OnMouseLeftButtonDown(MouseButtonEventArgs)

Provides handling for the MouseLeftButtonDown event.

Declaration
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
Parameters
Type Name Description
MouseButtonEventArgs e

The data for the event.
Overrides
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OnMouseLeftButtonUp(MouseButtonEventArgs)

Called before the MouseLeftButtonUp event occurs.

Declaration
protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
Parameters
Type Name Description
MouseButtonEventArgs e

The data for the event.
Overrides
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OnSelected()

Raises the Selected event when the IsSelected property changes from false to true.

Declaration
protected virtual void OnSelected()
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OnUnselected()

Raises the Unselected event when the IsSelected property changes from true to false.

Declaration
protected virtual void OnUnselected()

Events

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Selected

Occurs when the accordionItem is selected.

Declaration
public event RoutedEventHandler Selected
Event Type
Type Description
RoutedEventHandler
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Unselected

Occurs when the accordionItem is unselected.

Declaration
public event RoutedEventHandler Unselected
Event Type
Type Description
RoutedEventHandler

Extension Methods