C# Task的暂停与终止 C# Task 暂停与取消

1.声明参数

1 CancellationTokenSource _cancelSource= new CancellationTokenSource();
2 CancellationToken _cancelToken= tokenSource.Token;
3 ManualResetEvent _resetEvent = new ManualResetEvent(true);

2.定义Task

Task task = new Task(async () => {
    while (true) {  
        if (_cancelToken.IsCancellationRequested) {
            return;
        }
        
        // 初始化为true时执行WaitOne不阻塞
        _resetEvent.WaitOne();

        // Doing something.......
        
    }

}, token);

task.Start();

3.暂停Task

_resetEvent.Reset();

4.继续Task

_resetEvent.Set();

5.取消Task

_cancelSource.Cancel();