Chart.PlotBy Property (PowerPoint)
Returns or sets the way columns or rows are used as data series on the chart. Read/write Long.
expression A variable that represents a 'Chart' object.
The value of this property can be one of the following XlRowCol constants:
For PivotChart reports, this property is read-only and always returns xlColumns.
Note Although the following code applies to Microsoft Word, you can readily modify it to apply to PowerPoint.
The following example causes the first chart in the active document to plot data by columns.
With ActiveDocument.InlineShapes(1) If .HasChart Then .Chart.PlotBy = xlColumns End If End With