class Program     {         static void Main(string[] args)         {             Type t = typeof(Test);             object result;             Test tc =new Test();             Console.WriteLine("Invoke a static method");             t.InvokeMember("Sayhello",BindingFlags.InvokeMethod | BindingFlags.Static | BindingFlags.Public, null, null, new object[] { });             Console.WriteLine("------------------------");             Console.WriteLine("Invoke a generic method");             List<string> list = new List<string>();             list.Add("GuoHu");             list.Add("LeiHu");             //We should assign the parameter type to generic method By using MakeGenericMethod             MethodInfo mi = t.GetMethod("Print").MakeGenericMethod(typeof(string));             mi.Invoke(null, new object[] { list });             Console.WriteLine("------------------------");             Console.WriteLine("Invoke a instance method");             MethodInfo m = t.GetMethod("Swap");             object[] obj = new object[2];             obj[0] = 123;             obj[1] = 230;             m.Invoke(new Test(), obj);             Console.WriteLine("{0},{1}", obj[0], obj[1]);             Console.WriteLine("------------------------");             Console.WriteLine("output field name");             FieldInfo[] fi = t.GetFields();             foreach (FieldInfo name in fi)             {                 Console.WriteLine("{0}",name);             }             Console.WriteLine("------------------------");             Console.WriteLine("Invoke a method with named parameters");             object[] argValues = new object[] { "Guo", "Hu" };             String[] argNames = new String[] { "lastName", "firstName" };             t.InvokeMember("PrintName", BindingFlags.InvokeMethod, null, null, argValues, null, null, argNames);             Console.WriteLine("------------------------");             Console.WriteLine("Get a field value");             result = t.InvokeMember("Name", BindingFlags.GetField | BindingFlags.GetProperty, null, tc, new object[] { });             Console.WriteLine("Name == {0}", result);             Console.WriteLine("------------------------");             Console.WriteLine("Set a field value");             t.InvokeMember("Name", BindingFlags.SetField, null, tc, new object[] { "New value" });             result = t.InvokeMember("Name", BindingFlags.GetField | BindingFlags.GetProperty, null, tc, new object[] { });             Console.WriteLine("Name == {0}",result);         }     }     class Test     {         public string Name;         public Test()         {             Name = "Initilize Name";         }         public static void Sayhello()         {             Console.WriteLine("Sayhello");         }         public static void Print<T>(IEnumerable<T> item)         {             foreach (T t in item)             {                 Console.WriteLine("{0}", t);             }         }         public static void PrintName(String firstName, String lastName)         {             Console.WriteLine("{0},{1}", lastName, firstName);         }         public void Swap(ref int a, ref int b)         {             int x = a;             a = b;             b = x;         }     }