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4.278 Expander

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x:Object > DependencyObject > Visual > UIElement > FrameworkElement > Control > ContentControl > HeaderedContentControl > Expander, IInputElement
Expander
(usage)
 <Expander> x:Object </Expander>
(description)
 Represents the control that displays a header that has a collapsible window that displays content.
[content property]
 Content
[name property]
 Name
[xml lang property]
 Language
(properties)
ExpandDirection
 ExpandDirection
(description)
 The direction in which the Expander content window opens.
IsExpanded
 x:Boolean
(description)
 Whether the Expander content window is visible.
(events)
Collapsed
 Occurs when the content window of an Expander control closes and only the Header is visible.
Expanded
 Occurs when the content window of an Expander control opens to display both its header and content.