private void InitializeEnv()
        {
            CameraCBox.Items.Clear();
            CameraCBox.SelectedIndex = -1;

            System.Array arCameraList = (System.Array)CameraCtrl.GetCameraList();
            for (int i = 0; i < arCameraList.Length; i++)
            {
                CameraCBox.Items.Add(arCameraList.GetValue(i));
                CameraCBox.SelectedIndex = i;
            }
        }