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VioGetDeviceCellSize: Difference between revisions

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==Description==
Returns the size of the current character cell in pels.
Returns the size of the current character cell in pels.
==Syntax==
==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==
==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.
;hvps (HVIO) - input : VIO presentation-space handle.
This is a value returned by VioCreatePS.
:This is a value returned by [[VioCreatePS]].


==Return Code==
==Return Code==
rc (APIRET) - returns
;rc (APIRET) - returns:VioGetDeviceCellSize returns one of the following values:
VioGetDeviceCellSize returns one of the following values:
* 0 NO_ERROR
* 0 NO_ERROR
* 421 ERROR_VIO_INVALID_PARMS
* 421 ERROR_VIO_INVALID_PARMS
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==Remarks==
==Remarks==
In OS/2 2.x, hvps cannot be 0.  
In OS/2 2.x, hvps cannot be 0.


[[Category:Vio]]
[[Category:Vio]]

Latest revision as of 14:36, 26 July 2018

Returns the size of the current character cell in pels.

Syntax

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.