For radial gauges, this value is expressed a percentage of the dial radius. For linear gauges, this value is expressed as a percentage of the width (for vertically oriented gauges) or the height (for horizontally oriented gauges).
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