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Microsoft KB Archive/169593

From BetaArchive Wiki

PRB: GP Fault on DC_BINADJUST if No Input Bins Are Selectable

Q169593



The information in this article applies to:


  • Microsoft Win32 Device Driver Kit (DDK) Windows 95





SYMPTOMS

A printer minidriver may cause a GP Fault when processing DC_BINADJUST (wIndex == 19) if the driver does not create any input bins or does not make any input bins selectable in UniDrv.



CAUSE

The fault occurs when the driver passes the DC_BINADJUST down to UniDrvDeviceCapabilities(). UniDrvDeviceCapabilities() does not check for null string pointers. If no input bins are selected, the bin name strings will be null and a GP Fault will occur.



RESOLUTION

Printer minidrivers must always create at least one selectable input bin. You can create an input bin in UniTool by selecting Printer Data/Paper Info/Source. To make the bin selectable using UniTool, select Printer Data/Model Data, and make sure at least one bin is enabled for Paper Sources in the list of Supported Attributes.



STATUS

This behavior is by design.

Keywords : kbprint
Issue type :
Technology : kbAudDeveloper kbWin95search kbWinDDKSearch kbWin32sSearch kbWin32DDK95 kbWin32DDKSearch


Last Reviewed: March 5, 1999
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