Class ExpandableContentControl

Represents a control with a single piece of content that expands or collapses in a sliding motion to a specified desired size.

Inheritance
System.Object
DependencyObject
UIElement
FrameworkElement
Control
ContentControl
ExpandableContentControl
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.Primitives
Assembly: OpenSilver.Controls.Layout.Toolkit.dll
Syntax
[TemplatePart(Name = "ContentSite", Type = typeof(ContentPresenter))]
public class ExpandableContentControl : ContentControl, IControl, IFrameworkElement, IUIElement, IDependencyObject

Constructors

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ExpandableContentControl()

Initializes a new instance of the ExpandableContentControl class.

Declaration
public ExpandableContentControl()

Fields

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PercentageProperty

Identifies the Percentage dependency property.

Declaration
public static readonly DependencyProperty PercentageProperty
Field Value
Type Description
DependencyProperty
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RevealModeProperty

Identifies the RevealMode dependency property.

Declaration
public static readonly DependencyProperty RevealModeProperty
Field Value
Type Description
DependencyProperty
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TargetSizeProperty

Identifies the TargetSize dependency property.

Declaration
public static readonly DependencyProperty TargetSizeProperty
Field Value
Type Description
DependencyProperty

Properties

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Percentage

Gets or sets the relative percentage of the content that is currently visible. A percentage of 1 corresponds to the complete TargetSize.

Declaration
public double Percentage { get; set; }
Property Value
Type Description
System.Double
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RevealMode

Gets or sets the direction in which the ExpandableContentControl content window opens.

Declaration
public ExpandDirection RevealMode { get; set; }
Property Value
Type Description
ExpandDirection
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TargetSize

Gets or sets the desired size of the ExpandableContentControl content.

Declaration
public Size TargetSize { get; set; }
Property Value
Type Description
Size
Remarks

Use the percentage property to animate to this size.

Methods

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ArrangeOverride(Size)

Arranges the control and its content. Content is arranged according to the TargetSize and clipped.

Declaration
protected override Size ArrangeOverride(Size finalSize)
Parameters
Type Name Description
Size finalSize

The final area within the parent that this object should use to arrange itself and its children.
Returns
Type Description
Size

The actual size used.
Overrides
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MeasureOverride(Size)

Does a measure pass of the control and its content. The content will get measured according to the TargetSize and is clipped.

Declaration
protected override Size MeasureOverride(Size availableSize)
Parameters
Type Name Description
Size availableSize

The available size that this object can give to child objects. Infinity can be specified as a value to indicate that the object will size to whatever content is available.
Returns
Type Description
Size

The size that this object determines it needs during layout, based on its calculations of child object allotted sizes.
Overrides
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OnApplyTemplate()

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

Declaration
public override void OnApplyTemplate()
Overrides

Events

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ContentSizeChanged

Occurs when the content changed its size.

Declaration
public event SizeChangedEventHandler ContentSizeChanged
Event Type
Type Description
SizeChangedEventHandler

Extension Methods