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;
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in wingdi.h.
Metafiles Overview, Enhanced Metafile Structures