public static DirectLabourPrice GetInstance() { if (dlpform == null || dlpform.IsDisposed) { dlpform = new DirectLabourPrice(); } return(dlpform); }
private void barButtonItem直接人工费率_ItemClick(object sender, ItemClickEventArgs e) { bool isopen = true; foreach (Form f in this.MdiChildren) { if (f.Name == "DirectLabourPrice") { f.Visible = true; f.Activate(); f.WindowState = FormWindowState.Maximized; isopen = false; break; } } if (isopen) { DirectLabourPrice Frm = DirectLabourPrice.GetInstance(); Frm.MdiParent = this; Frm.WindowState = FormWindowState.Maximized; Frm.Show(); } }