let readFile =
    let ofd = new System.Windows.Forms.OpenFileDialog() in
        ofd.Title <- "Open a Wren File: ";
        if ofd.ShowDialog() = DialogResult.OK then
           let dataFromFile = Array.toList( File.ReadAllLines(ofd.FileName))
           let D = List.map convertToTuple dataFromFile
           D;
        else
            []