StackPanel.LineDown Method
.NET Framework 3.5
Scrolls content downward by one logical unit.
Assembly: PresentationFramework (in PresentationFramework.dll)
If you require physical scrolling instead of logical scrolling, wrap the StackPanel in a ScrollViewer and set its CanContentScroll property to false.
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.