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--- en:docs:fapi:viosavredrawundo [2021/09/05 05:29] – created prokushev
+++ en:docs:fapi:viosavredrawundo [2021/09/28 01:59] (current) – prokushev
@@ Line 1: / Line 1: @@
-This call allows one thread within a process to cancel a [[VioSavRedrawWait (OS/2 1.x)|VioSavRedrawWait]] issued by another thread within the same process.
+{{page>en:templates:fapiint}}
-==Syntax==
+====== VioSavRedrawUndo ======
- VioSavRedrawUndo (OwnerIndic, KillIndic, VioHandle)
-==Parameters==
+This call allows one thread within a process to cancel a [[VioSavRedrawWait]] issued by another thread within the same process.
-;OwnerIndic (USHORT) - input: Indicates whether the thread issuing VioSavRedrawUndo wants ownership of VioSavRedrawWait to be reserved for its process.
-::0 Reserve ownership
-::1 Give up ownership.
-;KillIndic (USHORT) - input: Indicates whether the thread with the outstanding VioSavRedrawWait should be returned an error code or be terminated.
-::0 Return error code
-::1 Terminate thread.
-;VioHandle (HVIO) - input : Reserved word of 0s.
-==Return Code==
+===== Syntax =====
-;rc (USHORT) - return:Return code descriptions are:
+<code c>
-*0 NO_ERROR
+VioSavRedrawUndo (OwnerIndic, KillIndic, VioHandle)
-*421 ERROR_VIO_INVALID_PARMS
+</code>
-*422 ERROR_VIO_FUNCTION_OWNED
-*428 ERROR_VIO_NO_SAVE_RESTORE_THD
+===== Parameters =====
-*430 ERROR_VIO_ILLEGAL_DURING_POPUP
-*465 ERROR_VIO_DETACHED
+  * OwnerIndic ([[USHORT]]) - input: Indicates whether the thread issuing VioSavRedrawUndo wants ownership of VioSavRedrawWait to be reserved for its process.
-*494 ERROR_VIO_EXTENDED_SG
+    * 0 Reserve ownership
+    * 1 Give up ownership.
+  * KillIndic ([[USHORT]]) - input: Indicates whether the thread with the outstanding VioSavRedrawWait should be returned an error code or be terminated.
+    * 0 Return error code
+    * 1 Terminate thread.
+  * VioHandle ([[HVIO]]) - input : Reserved word of 0s.
+===== Return Code =====
+rc ([[USHORT]]) - return
+Return code descriptions are:
+  *0 NO_ERROR
+  *421 ERROR_VIO_INVALID_PARMS
+  *422 ERROR_VIO_FUNCTION_OWNED
+  *428 ERROR_VIO_NO_SAVE_RESTORE_THD
+  *430 ERROR_VIO_ILLEGAL_DURING_POPUP
+  *465 ERROR_VIO_DETACHED
+  *494 ERROR_VIO_EXTENDED_SG
+===== Remarks =====
-==Remarks==
 The issuing thread can reserve ownership of VioSavRedrawWait for its process or give it up. The thread whose VioSavRedrawWait was cancelled is optionally terminated. VioSavRedrawUndo may be issued only by a thread within the same process that owns VioSavRedrawWait.
-==Bindings==
+===== Bindings =====
-===C===
-<PRE>
+==== C ====
+<code c>
 #define INCL_VIO
@@ Line 38: / Line 52: @@
 USHORT  rc;            /* return code */
-</PRE>
+</code>
+==== MASM ====
-===MASM===
+<code asm>
-<PRE>
 EXTRN  VioSavRedrawUndo:FAR
 INCL_VIO            EQU 1
@@ Line 51: / Line 66: @@
 Returns WORD
-</PRE>
+</code>
-[[http://www.edm2.com/index.php/VioSavRedrawUndo_(OS/2_1.x)]]
+Text based on [[http://www.edm2.com/index.php/VioSavRedrawUndo_(OS/2_1.x)]]
+{{page>en:templates:fapi}}