public bool startLiveMode()
        {
            uint resnum = myCamera.ResolutionNumber;

            if (myCamera.get_eSize(out eSize))
            {
                if (myCamera.get_Size(out width, out height))
                {
                    if (liveBm != null)
                    {
                        liveBm.Dispose();
                    }
                    liveBm = new Bitmap(width, height, PixelFormat.Format24bppRgb);
                    if (!myCamera.StartPullModeWithWndMsg(camHandle, MSG_CAMEVENT))
                    {
                        MessageBox.Show("failed to start device");
                        return(false);
                    }
                    else
                    {
                        return(true);
                    }
                }
                else
                {
                    return(false);
                }
            }
            else
            {
                return(false);
            }
        }