private void button1_Click(object sender, EventArgs e)
        {
            panel2.Controls.Clear();
            tweaks tweaks = new tweaks();

            panel2.Controls.Add(tweaks);
        }
 private void button1_Click(object sender, EventArgs e)
 {
     panel2.Controls.Clear();
     tweaks tweaks = new tweaks();
     panel2.Controls.Add(tweaks);
 }