Inside Macintosh: QuickDraw GX Printing Extensions and Drivers /

Chapter 5 - Printing Functions for Message Overrides / Using the Printing Functions

Accessing Driver Data

Your driver sometimes needs to access data that belongs to the current print job. You can use the GXGetJob function to obtain a reference to the current job object.

You sometimes also need to access resource data that belongs to your driver. You can retrieve the resource file reference number for your driver by calling the GXGetMessageHandlerResFile function. You can also access your resource data by overriding the GXFetchTaggedData message, which is described on page 4-45 in the chapter "Printing Messages" in this book.

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