[MSDN Library June 1998] METAHEADER (32.2802197802198%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > GDI > Metafiles > Metafile Reference > Enhanced Metafile Structures

[MSDN Library April 2000] METAHEADER (31.8102949681897%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows GDI > Metafiles > Metafile Reference > Metafile Structures