Search direction. Must be 1 (Search forward)
or 2 (Search Backward). This parameter is optional.
If the parameter is not specified, the default is forward.
Long row
Row position at which to start the search in the presentation
space. The row of the located text is returned if the search is successful.
This parameter is optional. If row is specified, col must also be
specified.
Long col
Column position at which to start the search in the presentation
space. The column of the located text is returned if the search is
successful. This parameter is optional. If col is specified, row must
also be specified.