VioScrUnLock
Bindings: C, MASM
This call releases ownership of (unlocks) the physical display buffer.
VioScrUnLock (VioHandle)
VioHandle (HVIO) - input
Reserved word of 0s.
rc (USHORT) - return
Return code descriptions are:
0 NO_ERROR
367 ERROR_VIO_UNLOCK
430 ERROR_VIO_ILLEGAL_DURING_POPUP
436 ERROR_VIO_INVALID_HANDLE
465 ERROR_VIO_DETACHED
494 ERROR_VIO_EXTENDED_SG
Remarks
This call releases the screen lock that is set by VioScrLock. The
VioScrUnLock call must be issued by a thread in the same process as the
thread that issued VioScrLock.
Family API Considerations
Some options operate differently in the DOS mode than in the OS/2 mode.
Therefore, the following restriction applies to VioScrUnLock when coding
in the DOS mode:
The status always indicates the unlock is successful (return code = 0).
Created using Inf-PHP v.2 (c) 2003 Yuri Prokushev
Created using Inf-HTML v.0.9b (c) 1995 Peter Childs