Opening new window within window

     static int x = 200;
    static int y = 200;

    private void Button1_Click(System.Object sender, 
        System.EventArgs e)
    {
        // Create a new Form1 and set its Visible property to true.
        Form1 form2 = new Form1();
        form2.Visible = true;

        // Set the new form's desktop location so it  
        // appears below and to the right of the current form.
        form2.SetDesktopLocation(x, y);
        x += 30;
        y += 30;

        // Keep the current form active by calling the Activate
        // method.
        this.Activate();
        this.Button1.Enabled = false;
    }