public static ReservasForm Instance() { if (form == null) { form = new ReservasForm(); } return(form); }
private void toolStripButton1_Click(object sender, EventArgs e) { if (ActiveMdiChild != null) { ActiveMdiChild.Close(); } var reservasForm = ReservasForm.Instance(); reservasForm.MdiParent = this; reservasForm.WindowState = FormWindowState.Maximized; reservasForm.Show(); }