Bring up an alert with the given message. A system recoverable alert is a RECOVERY_ALERT which waits until the user presses a mouse button. The display is then restored and a boolean value will be returned showing if the has pressed the left mouse button. A DEADEND_ALERT is an alert from which the system cannot recover. This alert immediately returns with FALSE after creating the alert display. If the system can not get enough memory for a RECOVERY_ALERT, this function returns FALSE.
INPUTS
alertnumber
The
string
The
height
The
RESULT
Always FALSE if DEADEND_ALERT. RECOVERY_ALERT returns TRUE if the user pressed the left mouse button and FALSE for other mouse button or if the alert could not be posted.