Every type Excel.ChartType names is read; Invalid, and a type a later
Excel adds, is not. A type it reads can still convert to nothing: a chart
whose every value is blank has nothing to navigate.
Parameters
chartType: string
An Excel.ChartType value, such as ColumnClustered.
Whether MAIDR reads a chart type at all.
Every type
Excel.ChartTypenames is read;Invalid, and a type a later Excel adds, is not. A type it reads can still convert to nothing: a chart whose every value is blank has nothing to navigate.