Gets or sets the size of a secondary pie or stacked bar chart in a Pie of Pie or Bar of Pie chart type, as a percentage of the main chart size.
An integer value that specifies the size of the secondary chart. The value must be a whole number between 5 and 200.
Currently, the SpeadsheetControl does not display the Pie of Pie or Bar of Pie chart types. However, they can be loaded and stored in supported formats, and you can create and modify them programmatically.