VioGetCp

Queries the code page currently used to display text data.

Syntax

#define INCL_VIO
#include <os2.h>

ULONG      Reserved;    /*  Reserved.  Must be 0. */
PUSHORT    CodePageID;  /*  Code-page ID. */
HVIO       VioHandle;   /*  Presentation-space handle. */
APIRET     rc;          /*  Return code. */

rc = VioGetCp(Reserved, CodePageID, VioHandle);

Parameters

Reserved (ULONG) - input

Reserved. Must be 0.

CodePageID (PUSHORT) - output

Code-page ID.

The address of a word in the application's data area. The current video code page is returned in this word.

VioHandle (HVIO) - input

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

VioGetCp returns one of the following values:

• 0 NO_ERROR
• 355 ERROR_VIO_MODE
• 421 ERROR_VIO_INVALID_PARMS
• 436 ERROR_VIO_INVALID_HANDLE

Remarks

The display code-page ID, previously set by VioSetCp or inherited from the requesting process, is returned to the caller. The returned code-page tag is the currently active code page.