Gets a value that represents the horizontal size of the content element that can be scrolled. This is a dependency property.
Assembly: PresentationFramework (in PresentationFramework.dll)
Metadata properties set to true
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.