Method XbpPrinter():setFormSize() Foundation
Retrieves or sets the size of the output media.
:setFormSize( [<nFormID>] ) --> nFormIDOld | NIL
The method returns the previous setting or NIL, if the printer does not support this option.
The method is used to instruct the printer what paper format is being used. Common formats are Letter, Legal or A4, A3, for example. They are selected by their numeric ID which is available as a #define constant.
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