Accord.Video.DirectShow.VideoCaptureDevice.DisplayCrossbarPropertyPage C# (CSharp) Метод

        public void DisplayCrossbarPropertyPage(IntPtr parentWindow)
        {
            lock (sync)
            {
                // wait max 5 seconds till the flag gets initialized
                for (int i = 0; (i < 500) && (!isCrossbarAvailable.HasValue) && (IsRunning); i++)
                {
                    Thread.Sleep(10);
                }

                if ((!IsRunning) || (!isCrossbarAvailable.HasValue))
                {
                    throw new ApplicationException("The video source must be running in order to display crossbar property page.");
                }

                if (!isCrossbarAvailable.Value)
                {
                    throw new NotSupportedException("Crossbar configuration is not supported by currently running video source.");
                }

                // pass the request to background thread if video source is running
                parentWindowForPropertyPage = parentWindow;
                needToDisplayCrossBarPropertyPage = true;
            }
        }