ChartGroup.VaryByCategories Property (Excel)
True if Microsoft Excel assigns a different color or pattern to each data marker. The chart must contain only one series. Read/write Boolean.
Syntax
expression .VaryByCategories
expression A variable that represents a ChartGroup object.
Example
This example assigns a different color or pattern to each data marker in chart group one. The example should be run on a 2-D line chart that has data markers on a series.
Charts("Chart1").ChartGroups(1).VaryByCategories = True