private void doItBtn_Click(object sender, EventArgs e)
        {
            var minLength = int.Parse(minLengthBox.Text);
            var lines = File.ReadAllLines(USTFile, Helpers.Shift_JIS);
            var notesCount = 0;

            var p3 = ReadVal(p3Box);
            var v3 = ReadVal(v3Box);
            var p4 = ReadVal(p4Box);
            var v4 = ReadVal(v4Box);
            var p5 = ReadVal(p5Box);
            var v5 = ReadVal(v5Box);

            var patcher = new FilePatcher();
            lines = patcher.GetLines(lines, minLength, p3, v3, p4, v4, p5, v5, ref notesCount);

            File.WriteAllLines(USTFile, lines, Encoding.GetEncoding("shift_jis"));
            MessageBox.Show(string.Format("Modified envelope for {0} note(s).", notesCount));
            Close();
        }
        private void doItBtn_Click(object sender, EventArgs e)
        {
            var minLength  = int.Parse(minLengthBox.Text);
            var lines      = File.ReadAllLines(USTFile, Helpers.Shift_JIS);
            var notesCount = 0;

            var p3 = ReadVal(p3Box);
            var v3 = ReadVal(v3Box);
            var p4 = ReadVal(p4Box);
            var v4 = ReadVal(v4Box);
            var p5 = ReadVal(p5Box);
            var v5 = ReadVal(v5Box);

            var patcher = new FilePatcher();

            lines = patcher.GetLines(lines, minLength, p3, v3, p4, v4, p5, v5, ref notesCount);

            File.WriteAllLines(USTFile, lines, Encoding.GetEncoding("shift_jis"));
            MessageBox.Show(string.Format("Modified envelope for {0} note(s).", notesCount));
            Close();
        }