how to read and save the data from finger print scanner without using SDK`s

private void button1_Click(object sender, EventArgs e)
        {

            //Insert the file into database
            SqlConnection cn = new SqlConnection(@"Data Source=SAZ-PC\SQLEXPRESS;Initial Catalog=Voted;Integrated Security=True");
            SqlCommand cmd = new SqlCommand("INSERT INTO tblUser VALUES(@ID_NUMBER, @FIRSTNAME, @LASTNAME, @FINGERPRINT, @DATE_ADDED, @DATE_MODIFIED)", cn);
            cmd.Parameters.Add("ID_NUMBER", SqlDbType.NVarChar).Value = textBox1.Text;
            cmd.Parameters.Add("FIRSTNAME", SqlDbType.NVarChar).Value = textBox2.Text;
            cmd.Parameters.Add("LASTNAME", SqlDbType.NVarChar).Value = textBox3.Text;
            cmd.Parameters.Add("FINGERPRINT", SqlDbType.Image).Value = bytes;
            cmd.Parameters.Add("DATE_ADDED", SqlDbType.DateTime).Value = DateTime.Now;
            cmd.Parameters.Add("DATE_MODIFIED", SqlDbType.DateTime).Value = DateTime.Now;

            cn.Open();
            cmd.ExecuteNonQuery();
            cn.Close();

            textBox1.Text = "";
            textBox2.Text = "";
            textBox3.Text = "";
            MessageBox.Show("Successfully Registered");
        }