System.Xml.Serialization.CodeIdentifiers.IsInUse C# (CSharp) Method

        public bool IsInUse(string identifier)
        {
            return _identifiers.Contains(identifier) || _reservedIdentifiers.Contains(identifier);
        }

		public void IgnoreCase ()
		{
			CodeIdentifiers c = new CodeIdentifiers (false);
			c.Add ("test", "x");
			c.Add ("Test", "y");
			Assert.IsTrue ("test" != c.AddUnique ("Test", "z"), "#1");
			Assert.IsTrue (c.IsInUse ("tEsT"), "#2");
			Assert.AreEqual ("camelCase", c.MakeRightCase ("CAMELCASE"), "#3");
		}