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ScrollViewer.ViewportHeight Property

Gets a value that contains the vertical size of the content's viewport.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

public double ViewportHeight { get; }

Property Value

Type: System.Double
A Double that represents the vertical size of the content's viewport. This property has no default value.

Identifier field

ViewportHeightProperty

Metadata properties set to true

None

The viewport is the visible area of the content.

ViewportHeight is only an output property; it can effectively be set by specifying the Height of the content element.

If CanContentScroll is true, the values of the ExtentHeight, ScrollableHeight, ViewportHeight, and VerticalOffset properties are number of items. If CanContentScroll is false, the values of these properties are Device Independent Pixels.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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