author: This is the common interface to some simple modal dialoguesauthor:
Gets the associated gui-object which implements all common methods.
Shows an alert dialogue with a single line of text.
Shows a simple do, do not dialogue with a single line of text.
Shows a simple input dialogue which can be used to enter a value.
gui-object
Parameters: xMessage - alert message
Parameters: xMessage - closed question
Parameters: xMessage - message