private void MenuPropertyNumber_Click(object sender, EventArgs e) { FrmFactoryplanning frm = FrmFactoryplanning.GetSingleton(); frm.MdiParent = this; frm.Show(); frm.Activate(); }
public static FrmFactoryplanning GetSingleton() { if (frm == null || frm.IsDisposed) { frm = new FrmFactoryplanning(); } return(frm); }