ReadonlymaidrThe figure on show, or null while the pane shows a message instead.
ReadonlychartThe chart on show, or null when none is.
ReadonlychartsEvery chart the picker offers.
Show a chart, by its id from ExcelBinding.charts; with no id, the chart shown already, or else the active chart, or else the first. Never rejects: a failure is shown in the pane and warned in the console.
Re-read the chart list and the chart on show.
Unregister every Office.js event handler, unmount MAIDR and remove the pane. The returned promise settles once Excel has the handlers removed.
A mounted pane, returned by bindExcel.