private void SaveAsToolStripMenuItem_Click(object sender, EventArgs e)
        {
            LandStay childForm = new LandStay();

            childForm.MdiParent = this;
            childForm.Show();
        }
        private void metroTile22_Click(object sender, EventArgs e)
        {
            LandStay landstay = new LandStay();

            landstay.ShowDialog();
        }