Reads a string of characters from the display, starting at the specified location.

#define INCL_VIO
#include <os2.h>

PCH       CharStr;    /*  Character buffer. */
PULONG    Length;     /*  Length of buffer. */
ULONG     Row;        /*  Starting row location. */
ULONG     Column;     /*  Starting column location. */
HVIO      VioHandle;  /*  Vio presentation-space handle. */
APIRET    rc;         /*  Return code. */

rc = VioReadCharStr(CharStr, Length, Row,
       Column, VioHandle);