Shows a dialog box asking a question.
showQuestion(title, message, ok = NULL, cancel = NULL, timeout = 60)
The title to display in the dialog box.
A character vector with the contents to display in the main dialog area.
And optional character vector that overrides the caption for the OK button.
An optional character vector that overrides the caption for the Cancel button.
A timeout (in seconds). When set, if the user takes longer than this timeout to provide a response, the request will be aborted.