Android Question load to application start application .csv file

Private Sub HandleLoadResult(Result As LoadResult)
    If Result.Success Then
        Try
            Dim Reader As TextReader
            Reader.Initialize(File.OpenInput(Result.Dir, Result.FileName))
'             Dim line As String
            line = Reader.ReadLine
'            stringList.Add(line)
            Do While line <> Null
                line = Reader.ReadLine
                stringList.Add(line)
                increm = increm +1        ' nombre lignes dans le CSV
            Loop
            Reader.Close
    '        chainetexte = File.ReadString(Result.Dir, Result.FileName)
            toast.Show($"File '${Result.RealName}' loaded"$)
        Catch
            chainetexte = "Error loading file"
            'Log(LastException)
        End Try
    End If
'    LoadGTR2
    Log ("nbre lignes  "&increm)
'    txtField.Text = chainetexte   
End Sub