/// <summary>
        /// 原始图像数据流回调函数 
        /// </summary>
        IMAGE_STREAM_CALLBACK ImageStreamCallBack;        /// <summary>
        /// 缓存区
        /// </summary>
        private IntPtr PtrBuffer = new IntPtr(704 * 576 * 3 / 2);        public void Image_Stream_Callback(int channelNum, IntPtr context)
        {
            MessageBox.Show("Received image");
            
         }        RegisterImageStreamCallback(ImageStreamCallBack, this.Handle);
        SetImageStream(ChannelResule, true, 25, 704, 576, PtrBuffer);        执行完这个函数SetImageStream(ChannelResule, true, 25, 704, 576, PtrBuffer),程序就死了