private void FocusMainPanel() { docTypes = WarehouseService.GetAllDocTypes(); dokumentiToolStripMenuItem.DropDownItems.Clear(); foreach (var dt in docTypes) { ToolStripMenuItem menu = new ToolStripMenuItem($"{dt.acDocType} {dt.acName}"); menu.Click += new EventHandler(menu_Click); dokumentiToolStripMenuItem.DropDownItems.Add(menu); } panels[panel_main].BringToFront(); products = WarehouseService.GetProducts(); buyers = WarehouseService.GetBuyers(); }