private void devolverToolStripMenuItem_Click(object sender, EventArgs e)
 {
     FormDevolverMidia abrir = new FormDevolverMidia();
     abrir.Show();
 }
 private void button6_Click(object sender, EventArgs e)
 {
     FormDevolverMidia frm = new FormDevolverMidia();
     frm.Show();
 }
        private void button6_Click(object sender, EventArgs e)
        {
            FormDevolverMidia frm = new FormDevolverMidia();

            frm.Show();
        }