时间：2019-03-07 标签：c#CF
假设您有一个带有启动/停止线程的按钮的表单（不是暂停或中断，我真的需要停止线程！） 看看这段代码：
Constructor()
{
m_TestThread = new Thread(new ThreadStart(ButtonsThread));
m_bStopThread = false;
}
ButtonClick
{
// If the thread is not running, start it
m_TestThread.Start();
// If the thread is running, stop it
m_bStopThread = true;
m_TestThread.Join();
}
ThreadFunction()
{
while(!m_bStopThread)
{
// Do work
}
}
2个问题（记住CF）： - 我如何知道线程是否正在运行（我似乎无法访问 m_pThreadState，并且我尝试了 C++ GetThreadExitCode()，它给出了错误结果）？ - 最重要的问题：如果我已经停止了线程，我无法重新启动它，很可能是因为 m_TestThread.m_fStarted 仍然设置（并且它是私有的，所以我无法访问它）！因此 m_TestThread.Start() 会生成异常（StateException）。
使用 Abort() 停止线程并不能解决问题。如果我把 m_TestThread = null;它有效，但随后我造成了内存泄漏。即使我等待 xx 秒，GC 也不会清理。
有人有主意吗？高度赞赏所有帮助！ 格茨 乙
Supose you have a form with a button that starts/stops a thread (NOT pausing or interrupting, I really need to stop the thread !)
Check out this code:
Constructor()
{
m_TestThread = new Thread(new ThreadStart(ButtonsThread));
m_bStopThread = false;
}
ButtonClick
{
// If the thread is not running, start it
m_TestThread.Start();
// If the thread is running, stop it
m_bStopThread = true;
m_TestThread.Join();
}
ThreadFunction()
{
while(!m_bStopThread)
{
// Do work
}
}
2 questions (remember CF):
- How can I know if the thread is running (I cannot seem to access the m_pThreadState, and I've tried the C++ GetThreadExitCode(), it give false results) ?
- Most important question : if I have stopped the thread, I cannot restart it, most probably because the m_TestThread.m_fStarted is still set (and it is private so I cannot access it) ! And thus m_TestThread.Start() generates an exception (StateException).
Stopping the thread with an Abort() doesn't solve it. If I put my m_TestThread = null; it works, but then I create a memory leak. The GC doesn't clean up either, even if I wait for xx seconds.
Anybody has an idea ? All help highly appreciated !
Grtz
E
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您可以使用 Thread.Suspend 和 < a href="http://msdn.microsoft.com/en-us/library/system.threading.thread.resume.aspx" rel="nofollow noreferrer">Thread.Resume 用于停止/重新启动线程。
要检查线程的状态，您可以使用 Thread.ThreadState< /a>.
You can use Thread.Suspend and Thread.Resume for stopping/restarting the thread.
For checking the thread's status you can use Thread.ThreadState.