/// <summary>
/// Called when the 'Entries' list has changed, so that listeners can be notified.
/// </summary>
private void RaiseEntriesChangedEvent(ShoppingCartEntriesChangedType type, int itemIndex = -1)
{
// Update 'CostsSummary' property.
UpdateCostsSummary();
// Invoke public event.
var args = new ShoppingCartEntriesChangedEventArgs(type, itemIndex);
this.EntriesChanged?.Invoke(this, args);
}
public ShoppingCartEntriesChangedEventArgs(ShoppingCartEntriesChangedType type, int index)
{
this.Type = type;
this.Index = index;
}
