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.TH "INQUIRE DEFAULT DISPLAY UPDATE STATE" 3P "29 February 1991"
.SH NAME
INQUIRE DEFAULT DISPLAY UPDATE STATE \- inquire the default display update state for a specified workstation type
.IX "Simulations" "INQUIRE DEFAULT DISPLAY UPDATE STATE"
.IX "Quick Update Methods" "INQUIRE DEFAULT DISPLAY UPDATE STATE"
.SH SYNOPSIS
.SS C Syntax
.ft B
.ta 1.25i 3i
.nf
void
pinq_def_disp_upd_st ( type, error_ind, def_mode, mod_mode )
Pint	type;	\fIworkstation type\fP
Pint	*error_ind;	\fIOUT error indicator\fP
Pdefer_mode	*def_mode;	\fIOUT deferral mode\fP
Pmod_mode	*mod_mode;	\fIOUT modification mode\fP
.fi
.ft R
.SS Required PHIGS Operating States
(PHOP, *, *, *)
.SH DESCRIPTION
.SS Purpose
Use \s-2INQUIRE DEFAULT DISPLAY STATE\s+2 to determine the default display update state for a specified workstation type.
The display update state consists of a deferral mode and a modification
mode.
.LP
See the description of the function \s-2SET DISPLAY UPDATE STATE\s+2
for information on the meaning of these modes.
.SS C Input Parameters
.IP \fItype \fP
Type of workstation.
.SS C Output Parameters
.IP \fIerror_ind\fP
A pointer to the location to store the error number of any error
detected by this function.
.IP \fIdef_mode\fP
The deferral mode, \fIdef_mode\fP, is 
defined in phigs.h as:
.sp .4
.ta .5i +\w'PDEFER_WAIT     'u
.nf
typedef enum {
.sp .2
	PDEFER_ASAP,	\fIAs Soon As Possible\fP
	PDEFER_BNIG,	\fIBefore the Next Interaction Globally\fP
	PDEFER_BNIL,	\fIBefore the Next Interaction Locally\fP
	PDEFER_ASTI,	\fIAt Some Time\fP
	PDEFER_WAIT	\fIWhen the Application Requests It\fP
.sp .2
} Pdefer_mode;
.\".fi
.\".sp
.IP
.fi
.IP \fImod_mode\fP
The modification mode, \fImod_mode\fP, is defined in phigs.h as:
.sp .4
.ta .5i +\w'PMODE_UQUM,    'u
.nf
typedef enum {
.sp .2
	PMODE_NIVE,	\fINo immediate visual effects mandated\fP
	PMODE_UWOR,	\fIUpdate without regeneration\fP
	PMODE_UQUM	\fIUse quick update methods\fP
.sp .2
} Pmod_mode;
.fi
.SH ERRORS
.IP 002
Ignoring function, function requires state (\s-2PHOP, *, *, *\s+2)
.IP 052
Ignoring function, workstation type not recognized by the implementation
.IP 051
Ignoring function, this information is not yet available
for this workstation type; open a workstation of this type
and use the specific workstation type
.IP 059
Ignoring function, the specified workstation does not have output capability
(i.e. the workstation category in neither \s-2OUTPUT\s+2, \s-2OUTIN\s+2, nor \s-2MO\s+2)
.IP 062
Ignoring function, this information is not available for this
\s-2MO\s+2 workstation type
.SH SEE ALSO
.nf
.IP
.ta 0.5i
.SM "SET DISPLAY UPDATE STATE (3P)"
.SM "INQUIRE DISPLAY UPDATE STATE (3P)"
.fi
