private void Canny1Changed(float canny1Bar) { canny1Value = int.Parse(_canny1MinValue.text) + canny1Bar * (int.Parse(_canny1MaxValue.text) - int.Parse(_canny1MinValue.text)); _canny1Value.text = canny1Value.ToString(); /*if (canny1Listeners.Count > 0) { * foreach (TrackbarListener l in canny1Listeners) { * l.Callback(canny1Value); * } * }*/ core.SetCannyThreshold((int)canny1Value); }