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--- en:docs:fapi:vioshowbuf [2018/09/01 10:08] – created prokushev
+++ en:docs:fapi:vioshowbuf [2021/09/19 04:16] (current) – prokushev
@@ Line 1: / Line 1: @@
+{{page>en:templates:fapiint}}
+====== VioShowBuf ======
 This call updates the physical display buffer with the logical video buffer (LVB).
-==Syntax==
+===== Syntax =====
- VioShowBuf (Offset, Length, VioHandle)
+<code c>
+VioShowBuf (Offset, Length, VioHandle)
+</code>
+===== Parameters =====
+  * Offset (USHORT) - input : Starting offset within the logical video buffer at which the update to the screen is to start.
+  * Length (USHORT) - input : Length of the area to be updated to the screen.
+  * VioHandle (HVIO) - input : This must be zero unless the caller is a Presentation Manager application, in which case it must be the value returned by VioGetPs.
-==Parameters==
+===== Return Code =====
-;Offset (USHORT) - input : Starting offset within the logical video buffer at which the update to the screen is to start.
+rc (USHORT) - return
-;Length (USHORT) - input : Length of the area to be updated to the screen.
-;VioHandle (HVIO) - input : This must be zero unless the caller is a Presentation Manager application, in which case it must be the value returned by VioGetPs.
-==Return Code==
- rc (USHORT) - return
 Return code descriptions are:
-* 0          NO_ERROR
-* 355        ERROR_VIO_MODE
-* 430        ERROR_VIO_ILLEGAL_DURING_POPUP
-* 436        ERROR_VIO_INVALID_HANDLE
-* 465        ERROR_VIO_DETACHED
-==Remarks==
+  * 0          NO_ERROR
+  * 355        ERROR_VIO_MODE
+  * 430        ERROR_VIO_ILLEGAL_DURING_POPUP
+  * 436        ERROR_VIO_INVALID_HANDLE
+  * 465        ERROR_VIO_DETACHED
+===== Remarks =====
 VioShowBuf is ignored unless it is issued by a process that has previously called VioGetBuf and that is currently executing in the foreground.
-===PM Considerations===
+==== PM Considerations ====
 This function updates the display with the Advanced VIO presentation space.
-==Example Code==
+===== Bindings =====
-=== C Binding===
+==== C Binding ====
-<PRE>
+<code c>
 #define INCL_VIO
@@ Line 36: / Line 43: @@
 USHORT           rc;            /* return code */
-</PRE>
+</code>
-===MASM Binding===
+==== MASM Binding ====
-<PRE>
+<code asm>
 EXTRN  VioShowBuf:FAR
 INCL_VIO            EQU 1
@@ Line 49: / Line 56: @@
 Returns WORD
-</PRE>
+</code>
-====== Note ======
+===== Note =====
 Text based on [[http://www.edm2.com/index.php/VioShowBuf_(FAPI)]]