Jump to content

VioSetDeviceCellSize: Difference between revisions

From EDM2
Ak120 (talk | contribs)
mNo edit summary
Ak120 (talk | contribs)
mNo edit summary
 
Line 5: Line 5:


==Parameters==
==Parameters==
;Height (ULONG) - input : The height of the character cell in pels.
;Height (ULONG) - input: The height of the character cell in pels.
;Width (ULONG) - input : The width of the character cell in pels.
;Width (ULONG) - input: The width of the character cell in pels.
;hvps (HVIO) - input : VIO presentation-space handle.
;hvps (HVIO) - input: VIO presentation-space handle.
:This is either 0 to indicate the default VIO session or a value returned by apiref refid='viocrps' form='textonly'.
:This is either 0 to indicate the default VIO session or a value returned by [[VioCreatePS]].


==Return Code==
==Return Code==
rc (APIRET) - returns
;rc (APIRET) - returns:VioSetDeviceCellSize returns one of the following values:
VioSetDeviceCellSize 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==
==Remarks==
If the device does not support the specified cell size, the cell size closest to the specified size is used. VioGetDeviceCellSize can be used to find the actual size selected. In OS/2 2.x, hvps cannot be 0.  
If the device does not support the specified cell size, the cell size closest to the specified size is used. [[VioGetDeviceCellSize]] can be used to find the actual size selected. In OS/2 2.x, hvps cannot be 0.


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

Latest revision as of 02:34, 2 January 2020

Sets the size of the current character cell in pels.

Syntax

VioSetDeviceCellSize (Height, Width, hvps)

Parameters

Height (ULONG) - input
The height of the character cell in pels.
Width (ULONG) - input
The width of the character cell in pels.
hvps (HVIO) - input
VIO presentation-space handle.
This is either 0 to indicate the default VIO session or a value returned by VioCreatePS.

Return Code

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

Remarks

If the device does not support the specified cell size, the cell size closest to the specified size is used. VioGetDeviceCellSize can be used to find the actual size selected. In OS/2 2.x, hvps cannot be 0.