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Returns the number of bytes in the header of the current or specified table file.
HEADER([nWorkArea | cTableAlias])
Return Values
Numeric
Parameters
nWorkArea | cTableAlias
Returns the header size for a table open in another work area. nWorkArea specifies the work area number and cTableAlias specifies the table alias. If you omit the work area and alias, HEADER( ) returns the size of the header for the table open in the current work area.HEADER( ) returns 0 if a table isn't open in the work area you specify. If a table doesn't have the alias you specify, Visual FoxPro displays an error message.
Remarks
A table header contains information about the table itself, such as the field names and sizes and the presence of a memo file or structural index.
See Also
FSIZE( ) | RECSIZE( ) | HeaderHeight Property | Working with Table Aliases