VioShowPS

Description

Updates the display of the VIO presentation space.

Syntax

#define INCL_VIO
#include <os2.h>

ULONG     Depth;  /*  Depth. */
ULONG     Width;  /*  Width. */
ULONG     Cell;   /*  Offset to first updated cell. */
HVIO      hvps;   /*  VIO presentation handle. */
APIRET    rc;     /*  Return code */

rc = VioShowPS(Depth, Width, Cell, hvps);

Parameters

Depth (ULONG) - input

Depth.

The depth of the updated rectangle.

Width (ULONG) - input

Width.

The width of the updated rectangle.

Cell (ULONG) - input

Offset to first updated cell.

The offset to the first updated cell. The offset of the top-left corner is zero.

hvps (HVIO) - input

VIO presentation handle.

VIO presentation space handle. This is either zero to indicate the default VIO session or a value returned by VioCreatePS.

Return Code

rc (APIRET) - returns

Return code descriptions are:

• 0 NO_ERROR
• 421 ERROR_VIO_INVALID_PARMS
• 436 ERROR_VIO_INVALID_HANDLE

Remarks

This call is used to specify that part or all of the presentation space the logical buffer needs to be redrawn.

This call has the same function as VioShowBuf, but the area to update is specified differently.