[Toc][Index]

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