private void button4_Click(object sender, EventArgs e)
        {
            frmMedicine fr = new frmMedicine();

            examinationPanel.Controls.Clear();
            fr.TopLevel = false;
            examinationPanel.Controls.Add(fr);
            fr.FormBorderStyle = FormBorderStyle.None;
            fr.Dock            = DockStyle.Fill;
            fr.Show();
        }
 public medicine_specialization(frmMedicine m)
 {
     InitializeComponent();
     this.m = m;
 }