ScreenTrace() action

Overview
The ScreenTrace action controls screen tracing.

Parameters
With no parameters, ScreenTrace displays the current state of screen screen tracing.

Otherwise, it accepts the following parameters:
 * On
 * Turns on screen tracing.

Turns off screen tracing.
 * Off
 * File
 * With On, directs screen traces to a file.


 * Printer
 * With On, directs screen traces to the printer.


 * Text
 * With On and File, sets the tracing mode to plain text.


 * Html
 * With On and File, sets the tracing mode to HTML.

Rtf
 * With On and File, sets the tracing mode to Rich Text

Return value
If the String option is given, ScreenTrace returns the screen contents.

Examples
Display the current state of screen tracing. ScreenTrace