ScrollViewer.ScrollableWidth Property
Silverlight
Gets a value that represents the horizontal size of the area that can be scrolled; the difference between the width of the extent and the width of the viewport..
Namespace: System.Windows.Controls
Assembly: System.Windows (in System.Windows.dll)
Property Value
Type: System.DoubleThe horizontal size of the area that can be scrolled. This property has no default value.
Dependency property identifier field: ScrollableWidthProperty
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.