Returns or sets the size of the secondary section of either a pie of pie chart or a bar of pie chart, as a percentage of the size of the primary pie. Can be a value from 5 to 200. Read/write Long.
Example
This example must be run on either a pie of pie chart or a bar of pie chart. The example splits the two sections of the chart by value, combining all values under 10 in the primary pie and displaying them in the secondary section. The secondary section is 50 percent of the size of the primary pie.
With Worksheets(1).ChartObjects(1).Chart.ChartGroups(1)
.SplitType = xlSplitByValue
.SplitValue = 10
.VaryByCategories = True
.SecondPlotSize = 50
End With