gistfile1.txt

class Program 
	{
		static void Main(string[] args)
		{
			var x = new[] {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
			var target = "x";
			typeof(string).GetField("m_stringLength", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic).SetValue(target, 16);
			Console.WriteLine(target);
			Console.Read();
		}
	}