CodeTV.GraphBuilderBase.VideoRefresh C# (CSharp) Метод

        public virtual void VideoRefresh()
        {
            if (this.videoRenderer != null)
            {
                //Trace.WriteLineIf(trace.TraceInfo, "VideoRefresh()");

                VideoResizer(this.videoZoomMode, this.videoKeepAspectRatio, this.videoOffset, this.videoZoom, this.videoAspectRatioFactor);

                if (!useWPF)
                {
                    try
                    {
                        int hr;
                        if (useEVR)
                        {
                            hr = this.evrVideoDisplayControl.RepaintVideo();
                            this.hostingControl.ModifyBlackBands(GetBlackBands(), Settings.VideoBackgroundColor);
                        }
                        else
                        {
                            Graphics g = this.hostingControl.CreateGraphics();
                            IntPtr hdc = g.GetHdc();
                            hr = (this.videoRenderer as IVMRWindowlessControl9).RepaintVideo(this.hostingControl.Handle, hdc);
                            g.ReleaseHdc(hdc);

                            PaintBlackBands(g);
                            g.Dispose();
                        }
                    }
                    catch { }
                }
            }
        }