protected virtual void RaiseFingerprintFailedEvent(FingerprintEventArgs e) { // Make a temporary copy of the event to avoid possibility of // a race condition if the last subscriber unsubscribes // immediately after the null check and before the event is raised. EventHandler <FingerprintEventArgs> handler = OnFingerprintFailed; // Event will be null if there are no subscribers if (handler != null) { // Use the () operator to raise the event. handler(this, e); } }
public virtual void RaiseOnScanSuccess(FingerprintEventArgs e) { OnScanSuccess?.Invoke(this, e); }