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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 (PVIOMODEINFO) - 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:
VioGetMode 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  
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==Remarks==
==Remarks==
* [[OS2 API:CPI:VioSetMode|VioSetMode]] has some example.  
* [[VioSetMode]] has some example.  
 
 
==Example Code==
<PRE>


</PRE>
==Related Functions==
==Related Functions==
* [[OS2 API:CPI:
* [[VioCreatePS]]
 
* [[VioSetMode]]


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

Revision as of 04:45, 13 February 2017

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

Related Functions