PHIGURE F77 REFERENCE MANUAL

SAMPLE CHOICE

PSMCH

CALL SEQUENCE

PSMCH (WKID, CHDNR, STAT, CHNR)

INPUT PARAMETERS

INTEGER	WKID
INTEGER	CHDNR

OUTPUT PARAMETERS

INTEGER	STAT
INTEGER	CHNR

ARGUMENTS

WKID

Workstation identifier.

CHDNR

CHOICE input device identifier.

STAT

State of request carried out.

PNONE:: 0 (NONE)
POK:: 1 (OK)
PNCHOI:: 2 (NO CHOICE)

CHNR

Current choice.

PHIGS STATE

(PHOP, WSOP, *, *).

EFFECT

Reads the current choice on the active input device, CHDNR.

Example:

C Sample choice on workstation number 1 using device number 40
	INTEGER WKID,CHDNR,STAT,CHNR
	.....
	WKID = 1
	CHDNR = 40
	call PSMCH(WKID,CHDNR,STAT,CHNR)
	......

ERRORS

3: Ignoring function, function requires state (PHOP, WSOP,*,*)
54: Ignoring function, the specified workstation is not open
61: Ignoring function, specified workstation is neither of category INPUT nor of category OUTIN
250: Ignoring function, the specified device is not available on the specified workstation
251: Ignoring function, the function requires the input device to be in REQUEST mode
252: Ignoring function, the function requires the input device to be in SAMPLE mode