VwStreamOpenFunc
Checks the
validity of the specified file and returns information about the file parser.
INT VwStreamOpenFunc(
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SOFILE hFile, |
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INT wFileId, |
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U_BYTE VWPTR *pFileName, |
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SOFILTERINFO VWPTR *pFilterInfo, |
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HPROC reserved |
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); |
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Parameters
hFile
Handle of the
file for execute input and output (XIO) routines.
wFileId
Identifier
for the file.
pFileName
Address of
the null-terminated string specifying the base name of the file. This string
does not include path information.
pFilterInfo
Address of
the SOFILTERINFO structure that receives information about the file
parser.
reserved
Reserved; do
not use.
Return Values
Returns the
VWERR_OK value if successful or one of the following error values otherwise:
|
VWERR_BADFILE |
Corrupt or
unreadable file |
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VWERR_EMPTYFILE |
Empty file |
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VWERR_PROTECTEDFILE |
Password-protected
or encrypted file |
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VWERR_SUPFILEOPENFAILS |
Supplementary
file failed to open |