VioDeRegister

This call deregisters a video subsystem previously registered within a session.

Syntax
VioDeRegister

Parameters
0 NO_ERROR 404 ERROR_VIO_DEREGISTER 430 ERROR_VIO_ILLEGAL_DURING_POPUP 465 ERROR_VIO_DETACHED 494 ERROR_VIO_EXTENDED_SG
 * rc (USHORT) - return:Return code descriptions are:

Remarks
VioDeRegister must be issued by the same process that issued the previous VioRegister. After VioDeRegister is issued, subsequent video calls are processed by the Base Video Subsystem.

C

 * 1) define INCL_VIO

USHORT rc = VioDeRegister(VOID); USHORT rc;            /* return code */ 

MASM
 EXTRN VioDeRegister:FAR INCL_VIO           EQU 1

CALL  VioDeRegister

Returns WORD 