VwStreamOpenFunc

Checks the validity of the specified file and returns information about the file parser.

INT VwStreamOpenFunc(

SOFILE hFile,
INT wFileId,
U_BYTE VWPTR *pFileName,
SOFILTERINFO VWPTR *pFilterInfo,
HPROC reserved
);

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
VWERR_EMPTYFILE	Empty file
VWERR_PROTECTEDFILE	Password-protected or encrypted file
VWERR_SUPFILEOPENFAILS	Supplementary file failed to open

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