https://docs.devexpress.com/WPF/DevExpress.Xpf.Core.ConditionalFormatting.ColorScaleFormat.CalcColor(FormatValueProvider--Nullable-Decimal---Nullable-Decimal---Nullable-Decimal-)
ColorScaleFormat.CalcColor(FormatValueProvider, NullableDecimal, NullableDecimal,...
Mar 13, 2024 - Developer documentation for all DevExpress products.