The EMRSCALEVIEWPORTEXTEX and EMRSCALEWINDOWEXTEX structures contain members for the ScaleViewportExtEx and ScaleWindowExtEx enhanced metafile records.
typedef struct tagEMRSCALEVIEWPORTEXTEX
{
EMR emr; LONG xNum; LONG xDenom; LONG yNum; LONG yDenom; } EMRSCALEVIEWPORTEXTEX, *PEMRSCALEVIEWPORTEXTEX, EMRSCALEWINDOWEXTEX, *PEMRSCALEWINDOWEXTEX;