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.TH XpCancelJob 3Xp __xorgversion__ "XPRINT FUNCTIONS"
.SH NAME
XpCancelJob \-  Cancels a single print job.
.SH SYNOPSIS
.br
      cc [ flag... ] file... -lXp [ library... ]	
.br
      #include <X11/extensions/Print.h>
.LP      
.B void XpCancelJob
(
.I display,
.I discard
)
.br
      Display *\fIdisplay\fP\^;
.br
      Bool \fIdiscard\fP\^;

.if n .ti +5n
.if t .ti +.5i
.SH ARGUMENTS
.TP
.I display
Specifies a pointer to the Display structure; returned from XOpenDisplay.
.TP
.I discard
When TRUE, specifies that all XPPrintNotify events should be discarded.
.SH DESCRIPTION
.LP
XpCancelJob cancels an in-progress job. If the job was started with output_mode 
XPGetData then the data stream to XpGetDocumentData is terminated. For many 
page description languages such arbitrary termination may invalidate the 
output.

If the job was started with output_mode XPSpool then depending on the driver 
and spooler configuration the entire job may be canceled or a partial job may 
be generated.

If 
.I discard 
is TRUE, all XPPrintNotify events with a detail field of 
XPEndPageNotify, XPEndDocNotify, or XPEndJobNotify are discarded before 
XpCancelJob returns.

For clients selecting XPPrintMask (see XpSelectInput), the event XPPrintNotify 
will be generated with its detail field set to XPEndJobNotify.
.SH DIAGNOSTICS
.TP 15
.SM XPBadContext
A valid print context-id has not been set prior to making this call.
.TP 15
.SM XPBadSequence
The function was not called in the proper order with respect to the other X 
Print Service Extension calls (for example, XpEndJob prior to XpStartJob).
.SH "SEE ALSO"
.BR XpEndJob (3Xp),
.BR XpGetDocumentData (3Xp),
.BR XpSelectInput (3Xp),
.BR XpStartJob (3Xp)