Function EnumMetaFile
pub unsafe fn EnumMetaFile(
hdc: HDC,
hmf: HMETAFILE,
proc: MFENUMPROC,
param3: Option<LPARAM>,
) -> BOOL
pub unsafe fn EnumMetaFile(
hdc: HDC,
hmf: HMETAFILE,
proc: MFENUMPROC,
param3: Option<LPARAM>,
) -> BOOL