[C#] 匿名方法的方便和安全

Posted 2022-04-18 catzhou

        static void Main(string[] args)
        
            int count = 5;

            //不安全写法
            Task.Run(() =>
            
                Thread.Sleep(1000);
                Console.WriteLine("Main1_" + count);
            );
            //安全
            Test1(count);
            //安全
            Task.Factory.StartNew((c) =>
            
                Thread.Sleep(1000);
                Console.WriteLine("Main2_" + c);
            , count);

            //不安全
            new Action(() =>
            
                Thread.Sleep(1000);
                Console.WriteLine("Main3_" + count);
            ).BeginInvoke(null, null);
            //安全
            new Action<int>((c) =>
            
                Thread.Sleep(1000);
                Console.WriteLine("Main4_" + c);
            ).BeginInvoke(count, null, null);

            count = 10;
            Console.WriteLine("ReadKey...");
            Console.ReadKey();
        

        static void Test1(int count)
        
            Task.Run(() =>
            
                Thread.Sleep(1000);
                Console.WriteLine("Test_" + count);
            );