Returns a pair of one-word scaling factors for the current mouse device.

#define INCL_MOU
#include <os2.h>

PSCALEFACT    ScaleStruct;   /*  Pointer to a control-block structure. */
HMOU          DeviceHandle;  /*  Reserved.  Must be 0. */
APIRET        rc;            /*  Return code. */

rc = MouGetScaleFact(ScaleStruct, DeviceHandle);