'Declaration Public Property ContentAlignment As SliderContentAlignment
public SliderContentAlignment ContentAlignment {get; set;}
That defines vertical alignment for horizontal slider or horizontal aligment for vertical slider.
Note:
If value is set to TrackCenter, then at design time the Center is used, and at run time it is possible flickering while initialization of control.
Target Platforms: Windows 10, Windows 8.1, Windows 8, 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