public void Abort()
{
if (this._workerThread == null)
{
throw new NullReferenceException("Task委托不能为空！");
}
if (this._currentStatue != MyProcessBarStatue.Aborted)
{
//若之前为Suspended状态 则需要先Resume才可以终止工作线程
this.Resume();
_workerThread.Abort();
this._currentStatue = MyProcessBarStatue.Aborted;
}
}
public void Run()
{
if (this._workerThread == null)
{
throw new NullReferenceException("Task委托不能为空！");
}
//初次启动 需要同时启动工作线程和监听线程
if (this._currentStatue == MyProcessBarStatue.UnStarted)
{
_monitorThread.IsBackground = true;
_monitorThread.Start();
_workerThread.IsBackground = true;
_workerThread.Start();
this._currentStatue = MyProcessBarStatue.Running;
}
//被终止后第二次启动 只需要重启工作线程就可以
else if (this._currentStatue == MyProcessBarStatue.Aborted)
{
this._currentStatue = MyProcessBarStatue.Running;
//若原工作线程已经终止 则重新初始化工作线程
if (this._workerThread.ThreadState == ThreadState.Aborted)
{
this._workerThread = null;
this._workerThread = new Thread(() => _task(ref _percentage));
}
_workerThread.IsBackground = true;
_workerThread.Start();
}
else
{
throw new InvalidOperationException("已经开始的任务无法再次开始！");
}
}
public void Stop()
{
if (_workerThread == null)
{
throw new NullReferenceException("Task委托不能为空！");
}
if (this._currentStatue == MyProcessBarStatue.Aborted)
{
throw new InvalidOperationException("已经终止的操作无法暂停！");
}
if (this._currentStatue != MyProcessBarStatue.Suspended)
{
_workerThread.Suspend();
_monitorThread.Suspend();
this._currentStatue = MyProcessBarStatue.Suspended;
}
}
public void Resume()
{
if (_workerThread == null)
{
throw new NullReferenceException("Task委托不能为空！");
}
if (this._currentStatue == MyProcessBarStatue.Aborted)
{
throw new InvalidOperationException("已经终止的操作无法继续！");
}
if (this._currentStatue == MyProcessBarStatue.Suspended)
{
_monitorThread.Resume();
_workerThread.Resume();
this._currentStatue = MyProcessBarStatue.Running;
}
}
