FLUSH DEVICE EVENTS

PFLUSH

CALL SEQUENCE

CALL PFLUSH (WKID, ICL, IDNR)

INPUT PARAMETERS

INTEGER WKID

Workstation identifier.

INTEGER ICL

Input device class

PNCLAS:	0 (NONE)
PLOCAT:	1 (LOCATOR)
PSTROK:	2 (STROKE)
PVALUA:	3 (VALUATOR)
PCHOIC:	4 (CHOICE)
PPICK:	5 (PICK)
PSTRIN:	6 (STRING)

INTEGER IDNR

Logical input device number.

PHIGS STATE

(PHOP, WSOP, *, *).

EFFECT

Destroys all ICL class events in the input queue which come from the logical input device IDNR on workstation WKID.

Note:

Operation takes place even if the event queue is full (error 256).

Example:

C Flush LOCATOR event into the PHIGS event queue for device number 2 on workstation 1 
	INTEGER WKID,ICL,IDNR
	......
	WKID = 1
	IDNR = 2
	ICL = PLOCAT
	call PFLUSH(WKID,ICL,IDNR)
	......

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

256

Warning, the input queue has overflowed

SEE ALSO

set locator mode, set stroke mode, set valuator mode, set choice mode, set pick mode, set string mode, get locator, get stroke, get valuator, get choice, get pick, get string , await event, inquire more simultaneous events