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==Description==
Returns the mode of the display.
Returns the mode of the display.


==Syntax==
==Syntax==
<PRE>
VioGetMode (ModeData, VioHandle)
#define INCL_VIO
#include <os2.h>


PVIOMODEINFO    ModeData;  /*  Mode characteristics. */
HVIO            VioHandle;  /*  VIO presentation-space handle. */
APIRET          rc;        /*  Return code. */
rc = VioGetMode(ModeData, VioHandle);
</PRE>
==Parameters==
==Parameters==
; ModeData (PVIOMODEINFO) - in/out : Mode characteristics.
;ModeData (P[[VIOMODEINFO]]) - in/out: Mode characteristics.
The address of a structure where mode characteristics are returned.  
:The address of a structure where mode characteristics are returned.
;VioHandle ([[HVIO]]) - input: VIO presentation-space handle.
:This must be 0, unless the caller is a Presentation Manager application; in this case, it must be the value returned by [[VioCreatePS]].


; VioHandle (HVIO) - input: VIO presentation-space handle.
This must be 0, unless the caller is a Presentation Manager application; in this case, it must be the value returned by VioCreatePS.
==Return Code==
==Return Code==
rc (APIRET) - returns
;rc (APIRET) - returns:VioGetMode returns one of the following values:
 
*0 NO_ERROR
VioGetMode returns one of the following values:
*421 ERROR_VIO_INVALID_PARMS
 
*436 ERROR_VIO_INVALID_HANDLE
* 0     NO_ERROR  
*438 ERROR_VIO_INVALID_LENGTH
* 421   ERROR_VIO_INVALID_PARMS  
* 436   ERROR_VIO_INVALID_HANDLE  
* 438   ERROR_VIO_INVALID_LENGTH


==Remarks==
==Remarks==
* [[OS2 API:CPI:VioSetMode|VioSetMode]] has some example.  
* [[VioSetMode]] has some example.
 
 
==Example Code==
<PRE>
 
</PRE>
==Related Functions==
* [[OS2 API:CPI:
 


[[Category:The OS/2 API Project]]
[[Category:Vio]]

Latest revision as of 18:52, 1 January 2020

Returns the mode of the display.

Syntax

VioGetMode (ModeData, VioHandle)

Parameters

ModeData (PVIOMODEINFO) - in/out
Mode characteristics.
The address of a structure where mode characteristics are returned.
VioHandle (HVIO) - input
VIO presentation-space handle.
This must be 0, unless the caller is a Presentation Manager application; in this case, it must be the value returned by VioCreatePS.

Return Code

rc (APIRET) - returns
VioGetMode returns one of the following values:
  • 0 NO_ERROR
  • 421 ERROR_VIO_INVALID_PARMS
  • 436 ERROR_VIO_INVALID_HANDLE
  • 438 ERROR_VIO_INVALID_LENGTH

Remarks