VioScrUnLock

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:
• 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).

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