System.Configuration.CommaDelimitedStringCollection.AddRange C# (CSharp) Метод

        public new void AddRange(string[] range) {
            ThrowIfReadOnly();
            _Modified = true;
            foreach (string str in range) {
                ThrowIfContainsDelimiter(str);
                base.Add(str.Trim());
            }
        }

		public void Manipulations ()
		{
			CommaDelimitedStringCollection c = new CommaDelimitedStringCollection ();

			c.Add ("1");
			Assert.AreEqual ("1", c.ToString(), "A1");

			c.Add ("2");
			c.Add ("3");
			Assert.AreEqual ("1,2,3", c.ToString(), "A2");

			c.Remove ("2");
			Assert.AreEqual ("1,3", c.ToString(), "A3");

			c.Insert (1, "2");
			Assert.AreEqual ("1,2,3", c.ToString(), "A4");

			c.Clear ();
			Assert.AreEqual (null, c.ToString(), "A5");

			string[] foo = new string[3];
			foo[0] = "1";
			foo[1] = "2";
			foo[2] = "3";
			c.AddRange (foo);
			Assert.AreEqual ("1,2,3", c.ToString(), "A6");
		}