internal static HslColor ImportVsColor (string colorString)
{
if (colorString == "0x02000000")
return new HslColor (0, 0, 0, 0);
string color = "#" + colorString.Substring (8, 2) + colorString.Substring (6, 2) + colorString.Substring (4, 2);
return HslColor.Parse (color);
}