private void button2_Click(object sender, EventArgs e)
 {
     ManageBreakfast manageBreakfast = new ManageBreakfast(Model);
     manageBreakfast.Dock = DockStyle.Fill;
     manageBreakfast.MdiParent = this.MdiParent;
     manageBreakfast.Show();
     manageBreakfast.WindowState = FormWindowState.Maximized;
 }
        private void manageBreakfastButton_Click(object sender, EventArgs e)
        {
            ManageBreakfast form = new ManageBreakfast(Model);

            form.Dock = DockStyle.Fill;
            form.MdiParent = this.MdiParent;
            form.Show();
            form.WindowState = FormWindowState.Maximized;
        }