BclExtras.Threading.ProgressTrackerProxy.IProgressTrackerProxy C# (CSharp) Метод

        void IProgressTrackerProxy.PerformStep()
        {
            lock (m_lock)
            {
                if (!m_data.PerformStepCount.HasValue)
                {
                    m_data.PerformStepCount = 1;
                }
                else
                {
                    m_data.PerformStepCount += 1;
                }
                UpdateTracker();
            }
        }