VioGetDeviceCellSize: Difference between revisions

Latest revision as of 14:36, 26 July 2018

Returns the size of the current character cell in pels.

VioGetDeviceCellSize(Height, Width, hvps)

Height (PULONG) - input: Pointer to the height of the character cell in pels.
Width (PULONG) - input: Pointer to the width of the character cell in pels.
hvps (HVIO) - input: VIO presentation-space handle.; This is a value returned by VioCreatePS.

rc (APIRET) - returns: VioGetDeviceCellSize returns one of the following values:

In OS/2 2.x, hvps cannot be 0.

@@ Line 1: / Line 1: @@
-==Description==
 Returns the size of the current character cell in pels.
 ==Syntax==
-<PRE>
+  VioGetDeviceCellSize(Height, Width, hvps)
-#define INCL_VIO
-#include <os2.h>
-PULONG    Height;
-PULONG    Width;
-HVIO      hvps;    /*  VIO presentation-space handle. */
-APIRET    rc;      /*  Return code. */
-rc = VioGetDeviceCellSize(Height, Width, hvps);
-</PRE>
 ==Parameters==
-; Height (PULONG) - input : Pointer to the height of the character cell in pels.
+;Height (PULONG) - input : Pointer to the height of the character cell in pels.
+;Width (PULONG) - input :  Pointer to the width of the character cell in pels.
-; Width (PULONG) - input :  Pointer to the width of the character cell in pels.
+;hvps (HVIO) - input : VIO presentation-space handle.
+:This is a value returned by [[VioCreatePS]].
-; hvps (HVIO) - input : VIO presentation-space handle.
-This is a value returned by VioCreatePS.
 ==Return Code==
- rc (APIRET) - returns
+;rc (APIRET) - returns:VioGetDeviceCellSize returns one of the following values:
+* 0 NO_ERROR
-VioGetDeviceCellSize returns one of the following values:
+* 421 ERROR_VIO_INVALID_PARMS
+* 436 ERROR_VIO_INVALID_HANDLE
-* 0          NO_ERROR
-* 421        ERROR_VIO_INVALID_PARMS
-* 436        ERROR_VIO_INVALID_HANDLE
 ==Remarks==
 In OS/2 2.x, hvps cannot be 0.
-==Example Code==
-<PRE>
-</PRE>
-==Related Functions==
-[[Category:The OS/2 API Project]]
+[[Category:Vio]]