//TSMI = Tool Strip Menu Item private void tsmiMyOrders_Click(object sender, EventArgs e) { FrmShippingMyOrders frmShippingMyOrders; if (FrmShippingMyOrders.Instance == null) { frmShippingMyOrders = new FrmShippingMyOrders(_myAccessToken); frmShippingMyOrders.MdiParent = this; frmShippingMyOrders.StartPosition = FormStartPosition.CenterScreen; frmShippingMyOrders.Show(); } else { FrmShippingMyOrders.Instance.WindowState = FormWindowState.Normal; FrmShippingMyOrders.Instance.Show(); FrmShippingMyOrders.Instance.BringToFront(); } }