Panning inertia refers to the deceleration in scrolling speed that occurs after the user loses contact with the touch surface.
Use the HorizontalInertia and VerticalInertia properties to differentiate between inertia in the horizontal and vertical directions.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2