This function places a reference to a metafile into the DDF buffer.

#define INCL_DDF
#include <os2.h>

HDDF      hddf;      /*  Handle to DDF returned by DdfInitialize. */
HMF       hmf;       /*  The handle of the metafile to display. */
PRECTL    prclRect;  /*  Size of the rectangle. */
BOOL      rc;        /*  Success indicator. */

rc = DdfMetafile(hddf, hmf, prclRect);