VioScrUnLock: Difference between revisions

Latest revision as of 18:06, 28 February 2017

Releases ownership of (unlocks) the physical display buffer.

VioScrUnLock(VioHandle)

VioHandle (HVIO) - input: VIO presentation-space handle.; Reserved. Must be 0.

This call releases the screen lock that is set by VioScrLock. The VioScrUnLock call must be issued by the same thread that issued VioScrLock.

@@ Line 1: / Line 1: @@
-==Description==
 Releases ownership of (unlocks) the physical display buffer.
 ==Syntax==
-<PRE>
+ VioScrUnLock(VioHandle)
-#define INCL_VIO
-#include <os2.h>
-HVIO      VioHandle;  /*  VIO presentation-space handle. */
-APIRET    rc;         /*  Return code. */
-rc = VioScrUnLock(VioHandle);
-</PRE>
 ==Parameters==
-; VioHandle (HVIO) - input : VIO presentation-space handle.
+;VioHandle (HVIO) - input : VIO presentation-space handle.
-Reserved. Must be 0.
+:Reserved. Must be 0.
 ==Return Code==
+;rc (APIRET) - returns:VioScrlUnLock returns one of the following values:
+* 0    NO_ERROR
+* 367  ERROR_VIO_UNLOCK
+* 421  ERROR_VIO_INVALID_PARMS
+* 430  ERROR_VIO_ILLEGAL_DURING_POPUP
+* 436  ERROR_VIO_INVALID_HANDLE
- rc (APIRET) - returns
-VioScrlUnLock returns one of the following values:
-* 0    NO_ERROR
-* 367        ERROR_VIO_UNLOCK
-* 421        ERROR_VIO_INVALID_PARMS
-* 430        ERROR_VIO_ILLEGAL_DURING_POPUP
-* 436        ERROR_VIO_INVALID_HANDLE
 ==Remarks==
-This call releases the screen lock that is set by VioScrLock. The VioScrUnLock call must be issued by the same thread that issued VioScrLock.
+This call releases the screen lock that is set by [[VioScrLock]]. The VioScrUnLock call must be issued by the same thread that issued VioScrLock.
-==Example Code==
-<PRE>
-</PRE>
-==Related Functions==
-* [[OS2 API:CPI:
-[[Category:The OS/2 API Project]]
+[[Category:Vio]]