private void agendaToolStripMenuItem_Click(object sender, EventArgs e)
        {
            frmAgenda objAgenda = new frmAgenda();

            objAgenda.MdiParent = this;
            objAgenda.Show();
        }
 private void agendaToolStripMenuItem_Click(object sender, EventArgs e)
 {
     frmAgenda objAgenda = new frmAgenda();
     objAgenda.MdiParent = this;
     objAgenda.Show();
 }