string _Resource1; // 共用資源.
public void Run()
{
Console.WriteLine($"Task6.Run(), ThreadId={Thread.CurrentThread.ManagedThreadId}");
_Resource1 = "共用資源初始化";
State1 myPara1 = new State1 {
_Value1 = "參數初始化"
};
_CTS1 = new CancellationTokenSource(); // 需每次重建.
CancellationToken myToken = _CTS1.Token; // (CancellationToken 取消權杖)比共用資源更安全、更有效率控制工作是否取消.
Task <string> task1 = Task.Factory.StartNew <string>(myFunction1, myPara1, myToken); // 交付系統工作工廠排班執行 Function(參數, 取消權杖).
Console.WriteLine("若提早按Escape鍵, 就會取消子執行緒/工作繼續執行, 並看到'共用資源使用中'. 因子執行緒/工作需要5秒才能完成.");
Console.WriteLine("Press any key to continuing...");
ConsoleKeyInfo key1 = Console.ReadKey();
if (key1.Key == ConsoleKey.Escape)
{
_CTS1.Cancel();
}
Console.WriteLine($"_Resource1={_Resource1}."); // 共用資源結果.
Console.WriteLine($"myPara1._Value1={myPara1._Value1}."); // 參數處理結果.
Console.WriteLine($"task1.Result={task1.Result}."); // Task 處理結果.
Console.WriteLine("Press any key for continuing...");
Console.ReadKey();
}
private string myFunction1(object object1)
{
Console.WriteLine($"myFunction1(), ThreadId={Thread.CurrentThread.ManagedThreadId}.");
Console.WriteLine($"Task.CurrentId={Task.CurrentId}.");
State1 c1 = object1 as State1; // 接收輸入參數
_Resource1 = "共用資源使用中";
c1._Value1 = "參數使用中";
for (int i = 0; i < 5; i++)
{
if (_CTS1.IsCancellationRequested)
{
_Resource1 = "取消執行";
Console.WriteLine($"_Resource1={_Resource1}."); // 共用資源結果.
return("取消執行.");
}
Thread.Sleep(1000);
}
c1._Value1 = "參數處理完成";
_Resource1 = "共用資源處理完成";
return("工作處理完成"); // Task 也可以回傳值.
}
private void myCompleted(object sender, RunWorkerCompletedEventArgs e)
{
Console.WriteLine($"myCompleted() ThreadId={Thread.CurrentThread.ManagedThreadId}");
State1 c1 = e.Result as State1; // 接收參數處理結果
c1._Value1 = "參數處理完成";
_Resource1 = "共用資源處理完成";
}
private void myDoWork(object sender, DoWorkEventArgs e)
{
Console.WriteLine($"myDoWork(), ThreadId={Thread.CurrentThread.ManagedThreadId}");
State1 c1 = e.Argument as State1; // 接收參數
_Resource1 = "共用資源使用中";
c1._Value1 = "參數使用中";
Thread.Sleep(5000);
e.Result = c1; // 存入參數處理結果.
}
private void myAction1(object object1)
{
Console.WriteLine($"myAction1(), ThreadId={Thread.CurrentThread.ManagedThreadId}.");
State1 c1 = object1 as State1; // 接收輸入參數
_Resource1 = "共用資源使用中";
c1._Value1 = "參數使用中";
Thread.Sleep(5000);
c1._Value1 = "參數處理完成";
_Resource1 = "共用資源處理完成";
}
private string myFunction1(object object1)
{
Console.WriteLine($"myFunction1(), ThreadId={Thread.CurrentThread.ManagedThreadId}.");
Console.WriteLine($"Task.CurrentId={Task.CurrentId}.");
State1 c1 = object1 as State1; // 接收輸入參數
_Resource1 = "共用資源使用中";
c1._Value1 = "參數使用中";
Thread.Sleep(5000);
c1._Value1 = "參數處理完成";
_Resource1 = "共用資源處理完成";
return("工作處理完成"); // Task 也可以回傳值.
}
string _Resource1; // 共用資源.
public void Run()
{
Console.WriteLine($"Thread5.Run(), ThreadId={Thread.CurrentThread.ManagedThreadId}");
_Resource1 = "共用資源初始化";
State1 myPara1 = new State1 {
_Value1 = "參數初始化"
};
ThreadPool.QueueUserWorkItem(new WaitCallback(myAction1), myPara1); // 交付系統佇列排班執行 Action(參數).
Console.WriteLine("若提早按鍵, 就會看到'共用資源使用中'. 因子執行緒/工作需要5秒才能完成.");
Console.WriteLine("Press any key to continuing...");
Console.ReadKey();
Console.WriteLine($"_Resource1={_Resource1}."); // 共用資源結果.
Console.WriteLine($"myPara1._Value1={myPara1._Value1}."); // 參數處理結果.
Console.WriteLine("Press any key for continuing...");
Console.ReadKey();
}
string _Resource1; // 共用資源.
public void Run()
{
Console.WriteLine($"Thread3.Run(), ThreadId={Thread.CurrentThread.ManagedThreadId}");
_Resource1 = "共用資源初始化";
State1 myPara1 = new State1 {
_Value1 = "參數初始化"
};
ParameterizedThreadStart threadDelegate = new ParameterizedThreadStart(myAction1); // 建立包含傳入參數的委派物件.
Thread thread1 = new Thread(threadDelegate);
thread1.Start(myPara1); // ParameterizedThreadStart(Action).Start() 啟動子執行緒, 執行有參數傳入的 Action.
thread1.Join(); // 封鎖主執行緒, 等候子執行緒結束.
Console.WriteLine($"_Resource1={_Resource1}."); // 共用資源結果.
Console.WriteLine($"myPara1._Value1={myPara1._Value1}."); // 參數處理結果.
Console.WriteLine("Press any key for continuing...");
Console.ReadKey();
}
string _Resource1; // 共用資源.
public void Run()
{
Console.WriteLine($"Task3.Run(), ThreadId={Thread.CurrentThread.ManagedThreadId}");
_Resource1 = "共用資源初始化";
State1 myPara1 = new State1 {
_Value1 = "參數初始化"
};
Task <string> task1 = new Task <string>(myFunction1, myPara1); // 建立工作並傳入參數.
task1.Start(); // Task(Function, 參數).Start() 啟動執行(有參數傳入且有回傳值)的 Function.
task1.Wait(); // 封鎖主執行緒, 等候工作結束.
Console.WriteLine($"_Resource1={_Resource1}."); // 共用資源結果.
Console.WriteLine($"myPara1._Value1={myPara1._Value1}."); // 參數處理結果.
Console.WriteLine($"task1.Result={task1.Result}."); // Task 處理結果.
Console.WriteLine("Press any key for continuing...");
Console.ReadKey();
}
string _Resource1; // 共用資源.
public void Run()
{
Console.WriteLine($"Task2.Run(), ThreadId={Thread.CurrentThread.ManagedThreadId}");
_Resource1 = "共用資源初始化";
State1 myPara1 = new State1 {
_Value1 = "參數初始化"
};
Task task1 = new Task(myAction1, myPara1); // 建立工作並傳入參數.
task1.Start(); // Task(Action, 參數).Start() 啟動執行有參數傳入的 Action
Console.WriteLine("若提早按鍵, 就會看到'共用資源使用中'. 因子執行緒/工作需要5秒才能完成.");
Console.WriteLine("Press any key to continuing...");
Console.ReadKey();
Console.WriteLine($"_Resource1={_Resource1}."); // 共用資源結果.
Console.WriteLine($"myPara1._Value1={myPara1._Value1}."); // 參數處理結果.
Console.WriteLine("Press any key for continuing...");
Console.ReadKey();
}
string _Resource1; // 共用資源.
public void Run()
{
Console.WriteLine($"Task5.Run(), ThreadId={Thread.CurrentThread.ManagedThreadId}");
_Resource1 = "共用資源初始化";
State1 myPara1 = new State1 {
_Value1 = "參數初始化"
};
Task <string> task1 = Task.Factory.StartNew <string>(myFunction1, myPara1); // 交付系統工作工廠排班執行 Function(參數).
Console.WriteLine("若提早按鍵, 就會看到'共用資源使用中'. 因子執行緒/工作需要5秒才能完成.");
Console.WriteLine("Press any key to continuing...");
Console.ReadKey();
Console.WriteLine($"_Resource1={_Resource1}."); // 共用資源結果.
Console.WriteLine($"myPara1._Value1={myPara1._Value1}."); // 參數處理結果.
Console.WriteLine($"task1.Result={task1.Result}."); // Task 處理結果.
Console.WriteLine("Press any key for continuing...");
Console.ReadKey();
}
string _Resource1; // 共用資源.
public void Run()
{
Console.WriteLine($"Thread2.Run(), ThreadId={Thread.CurrentThread.ManagedThreadId}.");
_Resource1 = "共用資源初始化";
State1 myPara1 = new State1 {
_Value1 = "參數初始化"
};
ParameterizedThreadStart threadDelegate = new ParameterizedThreadStart(myAction1); // 建立包含傳入參數的委派物件.
Thread thread1 = new Thread(threadDelegate); // 建立執行緒.
thread1.Start(myPara1); // ParameterizedThreadStart(Action).Start(Parameter) 啟動子執行緒, 執行有參數傳入的 Action.
Console.WriteLine("若提早按鍵, 就會看到'共用資源使用中'. 因子執行緒/工作需要5秒才能完成.");
Console.WriteLine("Press any key to continuing...");
Console.ReadKey();
Console.WriteLine($"_Resource1={_Resource1}."); // 共用資源結果.
Console.WriteLine($"myPara1._Value1={myPara1._Value1}."); // 參數處理結果.
Console.WriteLine("Press any key for continuing...");
Console.ReadKey();
}
string _Resource1; // 共用資源.
public void Run()
{
Console.WriteLine($"Thread4.Run(), ThreadId={Thread.CurrentThread.ManagedThreadId}");
_Resource1 = "共用資源初始化";
State1 myPara1 = new State1 {
_Value1 = "參數初始化"
};
BackgroundWorker bkWorker = new BackgroundWorker(); // 建立背景工作 BackgroundWorker.
bkWorker.DoWork += new DoWorkEventHandler(myDoWork); // 指定啟動時回呼函數.
bkWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(myCompleted); // 指定完成時回呼函數.
bkWorker.RunWorkerAsync(myPara1); // 啟動背景工作, 等候(啟動或完成)事件通知執行子執行緒.
Console.WriteLine("若提早按鍵, 就會看到'共用資源使用中'. 因子執行緒/工作需要5秒才能完成.");
Console.WriteLine("Press any key to continuing...");
Console.ReadKey();
Console.WriteLine($"_Resource1={_Resource1}."); // 共用資源結果.
Console.WriteLine($"myPara1._Value1={myPara1._Value1}."); // 參數處理結果.
Console.WriteLine("Press any key for continuing...");
Console.ReadKey();
}
private void myAction1(object object1)
{
Console.WriteLine($"myAction1(), ThreadId={Thread.CurrentThread.ManagedThreadId}.");
State1 c1 = object1 as State1; // 接收輸入參數
_Resource1 = "共用資源使用中";
c1._Value1 = "參數使用中";
for (int i = 0; i < 5; i++)
{
if (_Cancel)
{
_Resource1 = "取消執行";
Console.WriteLine($"_Resource1={_Resource1}."); // 共用資源結果.
return;
}
Thread.Sleep(1000);
}
c1._Value1 = "參數處理完成";
_Resource1 = "共用資源處理完成";
}
Boolean _Cancel; // 共用資源, 是否取消執行?
public void Run()
{
Console.WriteLine($"Thread6.Run(), ThreadId={Thread.CurrentThread.ManagedThreadId}");
_Resource1 = "共用資源初始化";
State1 myPara1 = new State1 {
_Value1 = "參數初始化"
};
_Cancel = false;
ThreadPool.QueueUserWorkItem(new WaitCallback(myAction1), myPara1); // 交付系統佇列排班執行 Action(參數).
Console.WriteLine("若提早按Escape鍵, 就會取消子執行緒/工作繼續執行, 並看到'共用資源使用中'. 因子執行緒/工作需要5秒才能完成.");
Console.WriteLine("Press any key to continuing...");
ConsoleKeyInfo key1 = Console.ReadKey();
if (key1.Key == ConsoleKey.Escape)
{
_Cancel = true;
}
Console.WriteLine($"_Resource1={_Resource1}."); // 共用資源結果.
Console.WriteLine($"myPara1._Value1={myPara1._Value1}."); // 參數處理結果.
Console.WriteLine("Press any key for continuing...");
Console.ReadKey();
}