This function converts points to graphics points.

#define INCL_WINRECTANGLES /* Or use INCL_WIN, INCL_PM, */
#include <os2.h>

HAB        hab;   /*  Anchor-block handle. */
PPOINTL    pwpt;  /*  Points to be converted. */
ULONG      cwpt;  /*  Number of points to be converted. */
BOOL       rc;    /*  Success indicator. */

rc = WinMakePoints(hab, pwpt, cwpt);