The custom palette, expressed as an array of colors.
random
Determines whether or not the palette is to be generated at random.
alpha
The transparency level of this color model, typically taken from the chart's ColorModel appearance properties.
Requirements
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