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Alerts

Alert boxes are a special kind of dialog box, but are important enough to be discussed separately.

“When an application needs more information from the user about a command, it presents a dialog box. In case of errors or potentially dangerous situations, it alerts the user with a box containing a message or with sound from the Macintosh’s speakers (or both). To create and present dialogs and alerts, and find out the user’s responses to them, you call the Dialog Manager.” —Inside Macintosh, Volume I, page I-12^b4b

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