/// <summary>
/// Safely calls event.
/// </summary>
/// <param name="amountModifiedEventHandler">Event to call.</param>
private static void CallEvent(AmountModifiedEventHandler amountModifiedEventHandler)
{
var handler = amountModifiedEventHandler;
if (handler != null)
{
handler();
}
}
/// <summary>
/// Removes a callback from more than event dictionary at the given threshold.
/// </summary>
/// <param name="threshold">The threshold.</param>
/// <param name="callback">The callback.</param>
/// <param name="remove">Removes the event at the threshold key if true.</param>
public void OffMoreThan(int threshold, AmountModifiedEventHandler callback, bool remove = true)
{
if (!moreThanEvents.ContainsKey(threshold))
{
return;
}
// ReSharper disable once DelegateSubtraction
moreThanEvents[threshold] -= callback;
if (remove)
{
moreThanEvents.Remove(threshold);
}
}
/// <summary>
/// Registers a callback to call when the value is more than the given threshold.
/// </summary>
/// <param name="threshold">The threshold.</param>
/// <param name="callback">The callback.</param>
public void OnMoreThan(int threshold, AmountModifiedEventHandler callback)
{
moreThanEvents.Add(threshold, null);
moreThanEvents[threshold] += callback;
}
