Occurs one or more times as content scrolls in a ScrollBar when the user moves the Thumb by using the mouse.
Namespace:System.Windows.Controls.Primitives Assembly:PresentationFramework (in PresentationFramework.dll) XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation
This event typically occurs multiple times when the user changes the Value of the ScrollBar by dragging the Thumb. There is no limit to the number of times this event is raised as the Thumb position is dragged.
This event is not raised when the Value of the ScrollBar control is changed in code.