Expander Class

Reference

Definition

Namespace:: Microsoft.Toolkit.Uwp.UI.Controls

Assembly:: Microsoft.Toolkit.Uwp.UI.Controls.dll

Assembly:: Microsoft.Toolkit.Uwp.UI.Controls.Layout.dll

Package:: Microsoft.Toolkit.Uwp.UI.Controls v6.1.1

Package:: Microsoft.Toolkit.Uwp.UI.Controls.Layout v7.0.2

Package:: Microsoft.Toolkit.Uwp.UI.Controls.Layout v7.1.2

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

The Expander control allows user to show/hide content based on a boolean state

[Windows.UI.Xaml.Markup.ContentProperty(Name="Content")]
[Windows.UI.Xaml.TemplatePart(Name="PART_RootGrid", Type=typeof(Windows.UI.Xaml.Controls.Grid))]
[Windows.UI.Xaml.TemplatePart(Name="PART_ExpanderToggleButton", Type=typeof(Windows.UI.Xaml.Controls.Primitives.ToggleButton))]
[Windows.UI.Xaml.TemplatePart(Name="PART_LayoutTransformer", Type=typeof(Microsoft.Toolkit.Uwp.UI.Controls.LayoutTransformControl))]
[Windows.UI.Xaml.TemplateVisualState(GroupName="ExpandDirectionStates", Name="LeftDirection")]
[Windows.UI.Xaml.TemplateVisualState(GroupName="ExpandDirectionStates", Name="DownDirection")]
[Windows.UI.Xaml.TemplateVisualState(GroupName="ExpandDirectionStates", Name="RightDirection")]
[Windows.UI.Xaml.TemplateVisualState(GroupName="ExpandDirectionStates", Name="UpDirection")]
[Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="VisibleLeft")]
[Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="VisibleDown")]
[Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="VisibleRight")]
[Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="VisibleUp")]
[Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="CollapsedLeft")]
[Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="CollapsedDown")]
[Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="CollapsedRight")]
[Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="CollapsedUp")]
public class Expander : Microsoft.Toolkit.Uwp.UI.Controls.HeaderedContentControl

[<Windows.UI.Xaml.Markup.ContentProperty(Name="Content")>]
[<Windows.UI.Xaml.TemplatePart(Name="PART_RootGrid", Type=typeof(Windows.UI.Xaml.Controls.Grid))>]
[<Windows.UI.Xaml.TemplatePart(Name="PART_ExpanderToggleButton", Type=typeof(Windows.UI.Xaml.Controls.Primitives.ToggleButton))>]
[<Windows.UI.Xaml.TemplatePart(Name="PART_LayoutTransformer", Type=typeof(Microsoft.Toolkit.Uwp.UI.Controls.LayoutTransformControl))>]
[<Windows.UI.Xaml.TemplateVisualState(GroupName="ExpandDirectionStates", Name="LeftDirection")>]
[<Windows.UI.Xaml.TemplateVisualState(GroupName="ExpandDirectionStates", Name="DownDirection")>]
[<Windows.UI.Xaml.TemplateVisualState(GroupName="ExpandDirectionStates", Name="RightDirection")>]
[<Windows.UI.Xaml.TemplateVisualState(GroupName="ExpandDirectionStates", Name="UpDirection")>]
[<Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="VisibleLeft")>]
[<Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="VisibleDown")>]
[<Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="VisibleRight")>]
[<Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="VisibleUp")>]
[<Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="CollapsedLeft")>]
[<Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="CollapsedDown")>]
[<Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="CollapsedRight")>]
[<Windows.UI.Xaml.TemplateVisualState(GroupName="DisplayModeAndDirectionStates", Name="CollapsedUp")>]
type Expander = class
    inherit HeaderedContentControl

Public Class Expander
Inherits HeaderedContentControl

Inheritance: Windows.UI.Xaml.Controls.ContentControl

HeaderedContentControl
Expander

Derived: Microsoft.Toolkit.Uwp.UI.Controls.BladeItem

Attributes: Windows.UI.Xaml.Markup.ContentPropertyAttribute Windows.UI.Xaml.TemplatePartAttribute Windows.UI.Xaml.TemplateVisualStateAttribute

Constructors

Expander()

Initializes a new instance of the Expander class.

Fields

ContentOverlayProperty	Identifies the ContentOverlay dependency property.
ExpandDirectionProperty	Identifies the ExpandDirection dependency property.
HeaderStyleProperty	Identifies the HeaderStyle dependency property.
IsExpandedProperty	Identifies the IsExpanded dependency property.

Properties

ContentOverlay	Gets or sets a value indicating whether the ContentOverlay of the control.
ExpandDirection	Gets or sets a value indicating whether the Expand Direction of the control.
Header	Gets or sets the data used for the header of each control. (Inherited from HeaderedContentControl)
HeaderStyle	Gets or sets a value for the style to use for the Header of the Expander.
HeaderTemplate	Gets or sets the template used to display the content of the control's header. (Inherited from HeaderedContentControl)
IsExpanded	Gets or sets a value indicating whether the content of the control is opened/visible or closed/hidden.
Orientation	Gets or sets the Orientation used for the header. (Inherited from HeaderedContentControl)

Methods

OnApplyTemplate()	Windows.UI.Xaml.Controls.ContentControl.OnApplyTemplate
OnCollapsed(EventArgs)	Called when control is collapsed
OnCreateAutomationPeer()	Creates AutomationPeer (Windows.UI.Xaml.UIElement.OnCreateAutomationPeer)
OnExpanded(EventArgs)	Called when control is expanded
OnHeaderChanged(Object, Object)	Called when the Header property changes. (Inherited from HeaderedContentControl)

Events

Collapsed	Fires when the expander is closed
Expanded	Fires when the expander is opened

Applies to