private void botonRoles_Click(object sender, EventArgs e)
        {
            Pantalla_Rol_Principal pantallaRol = new Pantalla_Rol_Principal();

            pantallaRol.ShowDialog();
        }
        private void button2_Click(object sender, EventArgs e)
        {
            Pantalla_Rol_Principal prprinci = new Pantalla_Rol_Principal();

            prprinci.ShowDialog();
        }