This is the preferred type of modal dialog box. Modal dialog boxes force the user to provide necessary information before carrying out the current operation. They cannot be moved or hidden. Movable alert boxes communicate warnings and error conditions while allowing the user to move the alert dialog around on the screen and switch to other applications. This is the preferred type of alert box.
Alert boxes communicate warnings and error conditions.
An alert box prevents any other activity until the user responds to the alert. Modeless dialog boxes accept user input and allow multiple changes to a document. Once open, they do not inhibit user activity. Inc. All rights reserved.