Sets one or more of the following states:

• Blink and background intensity switch
  
• Color registers
  
• Overscan (border) color
  
• Palette registers
  
• Target VioSetMode display configuration
  
• Underline location

#define INCL_VIO
#include <os2.h>

PVIOD     RequestBlock;
HVIO      VioHandle;     /*  VIO presentation-space handle */
APIRET    rc;            /*  Return code. */

rc = VioSetState(RequestBlock, VioHandle);