public VCS CheckoutTest(Test tst, String comment, ref bool CanContinue)
{
  try
  {
    VCS fVersionControl;

    CanContinue = true;
    fVersionControl = tst.VCS;
    if (fVersionControl == null)
    {
      return null;
    }
    fVersionControl.CheckOut("-1", comment, false);
    return fVersionControl;
  }
  catch (Exception)
  {
    CanContinue = false;
    return null;
  }
}