Printing Extensions
A QuickDraw GX printing extension defines add-on functionality that may be useful for several applications and whose usefulness is not restricted to a particular printer driver. For example, you may want a light-gray "Confidential" banner to appear as the backdrop on each printed page. Because several applications may need this kind of feature and these applications may print to a variety of printers, this kind of feature typically is implemented in a printing extension rather than as part of the application or printer driver.
- Note
- If you wish to provide functionality similar to a printing extension, such as a backdrop banner specific to your application, you can create a form shape and attach it to your format object. For an example of a form shape, see Figure 1-11 on page 1-17. For information about the form property of the format object, see the chapter "Page Formatting and Dialog Box Customization" in this book.
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