Gets or sets the vertical scroll position.
Assembly: PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation
must be set with non-negative offset values. Setting a negative value raises an ArgumentException exception.
The vertical offset is measured from the top of the visible content area.
When setting this property in XAML, you cannot use the unit qualifiers (such as in or cm) that are enabled for many other "Height" or "Vertical" properties.