protected virtual void OnItemAdded(object sender, ItemAddedEventArgs e)
{
var handler = ItemAdded; // Avoid race condition
handler?.Invoke(sender, e); // Invoke handler
}
// Event: rows have been added, update counter in header accordingly
private void _itemList_ItemAdded(object sender, ItemAddedEventArgs e)
{
_pieceCount += e.NewItem.MinQty;
UpdateTitle();
}
