Axuda do LibreOffice 24.8
Returns the position for the next writing or reading in a file that was opened with the open statement.
Para ficheiros de acceso aleatorio, a función Seek devolve o número do seguinte rexistro que se vai ler.
For all other files, the function returns the byte position at which the next operation is to occur.
Seek (NúmeroFicheiro)
Long
FileNumber: The data channel number used in the Open statement.