C# Winform项目中,用线程调用Resume和Suspend这两个方法,在VS中提示这两个方法已过时。
怎么样让VS不提醒这种信息或有什么方法来替换这个对应的方法。谢谢!
调用线程的Resume、Suspend方法,有警告信息,怎么将它显示正常;
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1条回答 默认 最新
- oyljerry 2015-07-13 03:04关注
The reason Suspend and Resume are deprecated is because there are no guarantees at what point in the execution the thread will be suspended on. This is a bad thing. The issue is described here as well as a solution.
The solution should involved a WaitHandle (maybe AutoResetEvent or ManualResetEvent) which you can use to signal to your autoReadThread to stop/start.
//true makes the thread start as "running", false makes it wait on _event.Set() ManualResetEvent _event = new ManualResetEvent(true); Thread _thread = new Thread(ThreadFunc); public void ThreadFunc(object state) { while (true) { _event.Wait(); //do operations here } } _thread.Start(); // to suspend thread. _event.Reset(); //to resume thread _event.Set(); private void ThreadFunc(object fileName) { string fileToUpdate = (string)fileName; while (Run) { _event.WaitOne(); string data; using (StreamReader readerStream = new StreamReader(fileToUpdate)) { data = readerStream.ReadToEnd(); } if (Textbox.InvokeRequired) { UpdateTextCallback back = new UpdateTextCallback(UpdateText); Textbox.BeginInvoke(back, new object[] { data }); } Thread.Sleep(1000); } } private void UpdateText(string data) { Textbox.Text = data; }
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