false if error alerts are suppressed when a plug-in or script is running (the PageMaker default state)Caution: Always turn off error alerts. If you enable the display of error alerts, always turn them off before your plug-in or script finishes. Otherwise, PageMaker could display them while another plug-in or script is running. The PShowErrorAlert command has no menu equivalent; you must turn off the error alerts using this command.
true if error alerts are set to display when a plug-in or script is running
Example. Turn off error alerts so they don't display when a plug-in or script is running.
PGetShowErrorAlert isShowing;
// turn off
if (isShowing) PShowErrorAlert(false);
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