public static void Main_old()
 {
     try
     {
         using (Res1 res1 = new Res1(),
             res1a = new Res1())
         {
             res1.Func();
             res1.Func();
             res1.Throw();
         }
     }
     catch
     {
         Log.Comment("System.Exception caught");
     }
 }