Inside Macintosh: QuickDraw GX Printing Extensions and Drivers /

Chapter 5 - Printing Functions for Message Overrides / Printing Functions Reference

Functions / Managing Paper Trays

GXGetTrayPaperType

You can use the GXGetTrayPaperType function to retrieve the paper-type information for a specific paper tray on the printer.

OSErr GXGetTrayPaperType (gxTrayIndex whichTray,
                           gxPaperType paper);

whichTray

The number of the tray in which you are interested.

paper

A reference to a paper-type object that you have already allocated. On return, this object contains information about the paper that is in the specified tray.

function result

An error code. The values noErr indicates that the operation was successful. The value resNotFound indicates that the tray is not configured and that its paper type is displayed to the user as "Unknown."

DESCRIPTION

The GXGetTrayPaperType function fills in the fields of a paper-type object with information from the desktop printer.

RESULT CODES

gxSegmentLoadFailedErr	A required code segment could not be found, or there was not enough memory to load it.
gxPrUserAbortErr	The user has canceled printing.
gxPaperTypeNotFound	The specified paper type could not be found.
gxNoSuchPTGroup	The specified paper type could not be found.

SEE ALSO

You can read about managing paper trays in the section "Managing Paper Trays and Their Paper Types" beginning on page 5-5.

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