C#中如何杀死线程？
我有一个线程打开 MyMessageAlert 类型的表单。 该表单是一个弹出窗口，当我调用它时会打开它。 它有一个计时器，在 30 秒后调用 CloseWindow() 方法。
m_messagAlert = new MyMessageAlert();
ParameterizedThreadStart thStart = new ParameterizedThreadStart(m_messagAlert.setMessage);
Thread thread = new Thread(thStart);
thread.Start(strMessage); //at this point, the MyMessageAlert form is opened.
我定义了一个线程类型列表：
public List<Thread> m_listThread;
每次创建线程时，我都会将其添加到我的列表中：
m_listThread.Add(thread);
当我关闭应用程序时，我希望打开的 MyMessageAlert 类型的表单将立即关闭（无需等待 30秒）。 问题是我无法阻止它！
我试图通过使用 Abort() 函数循环遍历列表来杀死它：
foreach (Thread thread in m_listThread)
{
if (thread.IsAlive)
thread.Abort();
}
但这没有帮助。
I have a thread that opens a form of type MyMessageAlert.
This form is a popup window that is opened when I call it.
It has a timer which calls a method CloseWindow() after 30 seconds.
m_messagAlert = new MyMessageAlert();
ParameterizedThreadStart thStart = new ParameterizedThreadStart(m_messagAlert.setMessage);
Thread thread = new Thread(thStart);
thread.Start(strMessage); //at this point, the MyMessageAlert form is opened.
I have defined a list of type thread:
public List<Thread> m_listThread;
Each time that I create a thread, I add it to my list:
m_listThread.Add(thread);
When I close the application, I want that the form of type MyMessageAlert that was opened, will be closed immediately (without waiting 30 seconds).
Problem is that I can't make it stop!
I tried to kill it by going over the list with a loop using the Abort() function:
foreach (Thread thread in m_listThread)
{
if (thread.IsAlive)
thread.Abort();
}
But it doesn't help.
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也许您想使用后台线程而不是前台线程。您的应用程序至少从一个前台线程（主进程线程）开始。如果直接使用Thread 类创建新线程（例如new Thread(...)），这将是一个前台线程。
当至少一个前台线程仍在运行时，AppDomain 不会被卸载。为了避免这种行为，您可以创建一个后台线程。通常，您可以使用 ThreadPool 类中的后台线程，或者通过设置
IsBackground- 直接位于线程对象的属性。编辑：MSDN 上的简短说明。
Maybe you want to use Background-Threads instead of Foreground-Threads. Your application start with at least one Foreground-Thread (main process thread). If you create new Threads using the Thread-class directly (e. g. new Thread(...)), this will be an foreground thread.
An AppDomain is not unloaded when at least one foreground thread is still running. To avoid this behavior you can create a background thread. Typically you use background threads from the ThreadPool-class, or by setting the
IsBackground-Property at the thread object directly.edit: An short explanation at the MSDN.