C#中的多線程使用 — Thread 類

現在C#已經建議擯棄使用 Suspend, Resume 暫停/恢複線程, 也盡量少用 Abort方法中斷一個線程.

建議使用線程的同步手段有:  、、,

 public Thread(ThreadStart start);

另一種是帶參數(ParameterizedThreadStart 委託) --

public Thread(ParameterizedThreadStart start);

ParameterizedThreadStart 委託簽名:

public delegate void ParameterizedThreadStart(Object obj);

樣本:

1. 不帶參數:

       // 定義線程方法:

        private static void ThreadMain()
        {
            Console.WriteLine("This is other thread main method.");
        }

　　　　// 調用:

            Thread mythread = new Thread(ThreadMain);
            mythread.Start();

2. 帶參數:

        // 定義線程方法:

        private static void MainThreadWithParameters(object o)
        {
            Data d = (Data)o;  //類型轉換
            Console.WriteLine("Running in a thread, received {0}", d.Message);
        }

    public struct Data
    {
        public string Message;
    }

　　　　// 調用:

            var data = new Data { Message = "Info" };
            Thread t2 = new Thread(MainThreadWithParameters);
            t2.Start(data);  // 傳入參數

3. 通過定義類傳遞參數:

// 定義存放資料和線程方法的類:

    public class MyThread
    {
        private string message;
        public MyThread(string data)
        {
            this.message = data;
        }
        public void ThreadMethod()
        {
            Console.WriteLine("Running in a thread, data: {0}", this.message);  
        }
    }

// 調用

            var obj = new MyThread("info");
            Thread myThread = new Thread(obj.ThreadMethod); //ThreadStart 委託
            mythread.Start();