C#: Delegate and Event

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace Test.Other

{

    public class TestDelegateAndEvent

    {

        public delegate void TestDelegate();

        public event TestDelegate TestEventHandler;

        public void Test()

        {

            TestDelegate testDelegate = new TestDelegate(Test1);

            TestEventHandler += new TestDelegate(Test1);

            testDelegate();

            TestEventHandler();

        }

        public void Test1()

        {

        }

    }

}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace Test.Other

{

    class Program

    {

        //public static delegate void TestDelegate();

        //public static event TestDelegate TestEventHandler;

        static void Main(string[] args)

        {

            // Delegate can be triggered directly

            //TestDelegate testDelegate = new TestDelegate(Test);

            //testDelegate();

            //TestDelegateAndEvent test = new TestDelegateAndEvent();

            //test.TestEventHandler += Test;

            // Error: The delegate inner the class is private even if the type is public.

            // test.TestDelegate();

            // Error: Event can't be triggered directly.

            //test.TestEventHandler();

            Console.ReadLine();

        }

        public static void Test()

        {

            Console.WriteLine("test");

        }

    }

}