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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| gdi32.lib
| Header File
| wingdi.h
| Unicode
| No
| Platform Notes
| Windows 95: int == 16 bits
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EnumMetaFile
The EnumMetaFile function enumerates the records within a Windows-format metafile by
retrieving each record and passing it to the specified callback function. The
application-supplied callback function processes each record as required. The enumeration
continues until the last record is processed or when the callback function
returns zero.
This function is provided for compatibility with earlier versions of Microsoft
Windows. Win32-based applications should use the EnumEnhMetaFile function.
BOOL EnumMetaFile(
HDC hdc,
| // handle to device context
| HMETAFILE hmf,
| // handle to Windows-format metafile
| MFENUMPROC lpMetaFunc,
| // pointer to callback function
| LPARAM lParam
| // address of callback function data
| );
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Parameters
hdc
Identifies a device context. This handle is passed to the callback function.
hmf
Identifies a Windows-format metafile.
lpMetaFunc
Points to an application-supplied callback function. For more information, see
the EnumMetaFileProc callback function.
lParam
Points to optional callback-function data.
Return Values
If the callback function successfully enumerates all the records in the
Windows-format metafile, the return value is nonzero.
If the callback function does not successfully enumerate all the records in
the Windows-format metafile, the return value is zero.
Remarks
A Windows-format metafile does not support the new curve, path, and
transformation functions, such as PolyBezier, BeginPath, and SetWorldTransform. Applications that use these new functions and use metafiles to store pictures created by these functions should use the
enhanced-format metafile functions.
To convert a Windows-format metafile into an enhanced-format metafile, use the SetWinMetaFileBits function.
You can use the EnumMetaFile function to embed one Windows-format metafile within another.
See Also
BeginPath, EnumEnhMetaFile, EnumMetaFileProc, PlayMetaFile, PlayMetaFileRecord, PolyBezier, SetWinMetaFileBits, SetWorldTransform
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