title: About Emgu.CV.Util.CvException: 'OpenCV: videoSample' error
body: <p>I try to capture the cam frame, but it occurs the error when running few minutes.</p>
  
  <p>C#</p>
  
  <pre><code>    private void CameraProcessFrame()
          {
              Image&lt;Bgr, Byte&gt; frame = capture.QueryFrame().ToImage&lt;Bgr, byte&gt;();
              pictureBox2.Image = frame.ToBitmap();
              pictureBox2.Image.Save("C:\\Users\\YK Chen\\Desktop\\NEW\\" + frame.ToBitmap() + iCount.ToString() + ".jpeg", ImageFormat.Jpeg);
          }
  </code></pre>