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 |