Returns number of fields in data file.
Syntax
intl DlFileNumFields (DlFileId hFile)
Arguments
hFile
Handle to file object, as returned by DlFileOpen. Input
Return Value
Returns number of fields in data file if successful, else -1.
Notes
DlFileNumFields counts the number of fields in an open data file. This information can then be used with DlGetFieldN to return handles for any or all fields in the data file.
See Also
DlFieldGetN, DlFileGetAttribute