public void UpdateInventory(string sku, int change)
{
if (0 == change)
{
return;
}
InventoryChangeEventArgs e = new InventoryChangeEventArgs(sku, change);
if (OnInventoryChageHandler != null)
{
Console.WriteLine("[InventoryManager.UpdateInventory] " +
"Rasing event to all subscribers...\n");
OnInventoryChageHandler(this, e);
}
}
void OnInventoryChange(object source, InventoryChangeEventArgs e)
{
int change = e.Change;
Console.WriteLine("[InventoryManager.OnInventoryChange]" +
"\n\tPart '{0}' was {1} by {2} units\n", e.Sku,
change > 0 ? "increased" : "decreased", Math.Abs(e.Change));
}
