static void Main01(string[] args)
{
//First
int x = 59;
GetString gs = default(GetString);
gs += (x.ToString);
Console.WriteLine(gs.Invoke());
Console.WriteLine();
//CallBack Test01
Test01("Hello", PrintInformation01);
Console.WriteLine();
//CallBack Test02
callback += PrintInformation01;
callback += PrintInformation02;
Test02("World", true);
}
static void Test01(string str, MethodRunOver callback01)
{
Console.WriteLine(str);
callback01.Invoke();
}