public void MoveProductionItemToSpecialIndex(int newIndex, int oldIndex)
{
var item = new ProductionList(productionList[oldIndex].Article, productionList[oldIndex].Quantity);
productionList[oldIndex] = null;
productionList.Insert(newIndex, item);
productionList.RemoveAll(x => x == null);
}
public void AddProductionItem(ProductionList item)
{
if (item == null)
{
throw new Exception();
}
if (item.Quantity <= 0)
{
return;
}
productionList.Add(item);
}