private void metroTile1_Click_1(object sender, EventArgs e)
{
this.Hide();
Appointment ap = new Appointment(patient, this, MDIParent);
ap.MdiParent = MDIParent;
// System.Threading.Thread.Sleep(6000);
ap.Show();
}
private void button3_Click(object sender, EventArgs e)
{
Appointment app = new Appointment();
app.Show();
}