VioGetDeviceCellSize: Difference between revisions

Revision as of 00:00, 5 December 2016

Description

Returns the size of the current character cell in pels.

Syntax

#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);

Parameters

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.

Return Code

rc (APIRET) - returns

VioGetDeviceCellSize returns one of the following values:

0 NO_ERROR
421 ERROR_VIO_INVALID_PARMS
436 ERROR_VIO_INVALID_HANDLE

Remarks

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

@@ Line 12: / Line 12: @@
 rc = VioGetDeviceCellSize(Height, Width, hvps);
 </PRE>
 ==Parameters==
 ; 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.
 ==Return Code==
   rc (APIRET) - returns
 VioGetDeviceCellSize returns one of the following values:
+* 0 NO_ERROR
-* 0          NO_ERROR
+* 421 ERROR_VIO_INVALID_PARMS
-* 421        ERROR_VIO_INVALID_PARMS
+* 436 ERROR_VIO_INVALID_HANDLE
-* 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]]