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Q72691: INFO: Banding, Printing, and the Number of Bands

Article: Q72691
Product(s): Microsoft Windows Software Development Kit
Version(s): WINDOWS:3.1
Operating System(s): 
Keyword(s): kb16bitonly kbOSWin310 _IK kbOSWin300 kbSDKWin16
Last Modified: 04-JUL-1999

3.00 3.10
WINDOWS
kbprg

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The information in this article applies to:

- Microsoft Windows Software Development Kit (SDK) 3.1 
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SUMMARY
=======

Banding is a printing technique used to print full-page graphics on raster
devices such as dot-matrix printers. In banding, an application prints an image
by dividing the image into several bands (or slices) and sending each band to
the printer separately.

To properly implement banding, an application should never make assumptions about
the number, size, or the ordering of bands that will be provided by a printer
driver. Making assumptions can cause problems because these values can vary
depending on the amount of free memory that is available and the printer driver
that is being used. The correct method for determining the size and the starting
position of bands is to call the escape function NEXTBAND. This escape function
takes as a parameter a LPRECT, which points to a data structure that will
receive the coordinates of the next band. The NEXTBAND escape function sets the
band rectangle to the empty rectangle when printing reaches the end of the
page.

For more information on the NEXTBAND escape function, see pages 12-39 and 12-40
of the Microsoft Windows SDK "Reference Volume 2" or page 489 of the Windows SDK
"Programmer's Reference, Volume 3: Messages, Structures, and Macros" manual for
version 3.1.

Additional query words: 3.00 3.10

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Keywords          : kb16bitonly kbOSWin310 _IK kbOSWin300 kbSDKWin16 
Technology        : kbAudDeveloper kbWin3xSearch kbSDKSearch kbWinSDKSearch kbWinSDK310
Version           : WINDOWS:3.1
Issue type        : kbinfo

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