Public Overloads Function SaveTextFileRange( _
   ByVal row As Integer, _
   ByVal column As Integer, _
   ByVal rowCount As Integer, _
   ByVal columnCount As Integer, _
   ByVal stream As Stream, _
   ByVal textFileFlags As TextFileFlags, _
   ByVal includeHeaders As IncludeHeaders, _
   ByVal rowDelimiter As String, _
   ByVal columnDelimiter As String, _
   ByVal cellDelimiter As String _
) As Boolean

Dim instance As SheetView
Dim row As Integer
Dim column As Integer
Dim rowCount As Integer
Dim columnCount As Integer
Dim stream As Stream
Dim textFileFlags As TextFileFlags
Dim includeHeaders As IncludeHeaders
Dim rowDelimiter As String
Dim columnDelimiter As String
Dim cellDelimiter As String
Dim value As Boolean
 
value = instance.SaveTextFileRange(row, column, rowCount, columnCount, stream, textFileFlags, includeHeaders, rowDelimiter, columnDelimiter, cellDelimiter)

public bool SaveTextFileRange( 
   int row,
   int column,
   int rowCount,
   int columnCount,
   Stream stream,
   TextFileFlags textFileFlags,
   IncludeHeaders includeHeaders,
   string rowDelimiter,
   string columnDelimiter,
   string cellDelimiter
)

SaveFileDialog sfd = new SaveFileDialog();
System.IO.Stream s;
sfd.Filter = "text files (*.txt)|*.txt";
sfd.FilterIndex = 2;
sfd.RestoreDirectory = true;
if (sfd.ShowDialog() == DialogResult.OK)
{
   s = sfd.OpenFile();
   fpSpread1.ActiveSheet.SaveTextFileRange(0,0, 5, 5, s, FarPoint.Win.Spread.TextFileFlags.Unformatted, FarPoint.Win.Spread.Model.IncludeHeaders.BothCustomOnly, "\r",",", "");
   s.Close();
}

Dim sd As New SaveFileDialog()
Dim s As System.IO.Stream
sd.Filter = "text files (*.txt)|*.txt"
sd.FilterIndex = 2
sd.RestoreDirectory = True
If sd.ShowDialog() = DialogResult.OK Then
 s = sd.OpenFile
 FpSpread1.ActiveSheet.SaveTextFileRange(0, 0, 5, 5, s, FarPoint.Win.Spread.TextFileFlags.Unformatted, FarPoint.Win.Spread.Model.IncludeHeaders.BothCustomOnly, Chr(13), ",", "")
 s.Close()
End If