NewFrame Error

[zhishiheng]

` List bitmaps = new List();
private void VideoDevice_NewFrame(object sender, AForge.Video.NewFrameEventArgs eventArgs)
{
try
{
var tem = (Bitmap)eventArgs.Frame.Clone();
bitmaps.Add(tem);
}
catch (Exception)
{

        }
      
    }`

After about 15 seconds of execution, the camera got stuck。can not get the new frame.