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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| No
| Import Library
| gdi32.lib
| Header File
| wingdi.h
| Unicode
| No
| Platform Notes
| None
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GetEnhMetaFileHeader
The GetEnhMetaFileHeader function retrieves the record containing the header for the specified
enhanced-format metafile.
UINT GetEnhMetaFileHeader(
HENHMETAFILE hemf,
| // handle of enhanced metafile
| UINT cbBuffer,
| // size of buffer, in bytes
| LPENHMETAHEADER lpemh
| // address of buffer to receive data
| );
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Parameters
hemf
Identifies the enhanced metafile for which the header is to be retrieved.
cbBuffer
Specifies the size, in bytes, of the buffer to receive the data. Only this
many bytes will be copied.
lpemh
Points to an ENHMETAHEADER structure to receive the header record. If this parameter is NULL, the
function returns the size of the header record.
Return Values
If the function succeeds and the structure pointer is NULL, the return value
is the size of the record that contains the header; if the structure pointer is
a valid pointer, the return value is the number of bytes copied. Otherwise, it
is zero.
Remarks
An enhanced-metafile header contains such information as the metafile's size,
in bytes; the dimensions of the picture stored in the metafile; the number of
records stored in the metafile; the offset to the optional text description; the
size of the optional palette, and the resolution of the device on which the
picture was created.
The record that contains the enhanced-metafile header is always the first
record in the metafile.
Windows 95: The maximum length of the description string for an enhanced metafile is
16,384 bytes.
See Also
ENHMETAHEADER, PlayEnhMetaFile
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