private void btnPrint_Click(object sender, EventArgs e)
        {
            //print
            StorageBinKeeper keeper = new StorageBinKeeper();

            keeper.Items.Add(_this);
            List <int> lInt = new List <int>();

            lInt.Add(_this.StorageBinId);
            keeper.PrintQR(lInt);
        }
        private async Task LoadAllData()
        {
            List <Task> tasks        = new List <Task>();
            Task        partsLoad    = Task.Run(() => PartKeeper.Refresh());
            Task        storagesLoad = Task.Run(() => StorageBinKeeper.Refresh());

            tasks.Add(partsLoad);
            tasks.Add(storagesLoad);
            if (StorageBin != null)
            {
                tasks.Add(Task.Run(() => StockTakingKeeper.Refresh()));
            }
            await Task.WhenAll(tasks);
        }
 private void Init()
 {
     PartKeeper        = new PartKeeper();
     StorageBinKeeper  = new StorageBinKeeper();
     StockTakingKeeper = new StockTakingKeeper();
 }