public static TplWorker DoWork(SetProgressValueDelegate progress, CancellationToken token)
{
Console.WriteLine("DoWork先頭 ManagedThreadId={0}",
Thread.CurrentThread.ManagedThreadId);
ParallelOptions po = new ParallelOptions();
po.CancellationToken = token;
po.MaxDegreeOfParallelism = System.Environment.ProcessorCount;
TplWorker instance = new TplWorker();
try
{
Parallel.For(0, CountOfNumbers, po, index =>
{
po.CancellationToken.ThrowIfCancellationRequested();
instance.ProcessANumber(progress, index);
});
}
catch (OperationCanceledException e)
{
throw e;
}
catch (Exception e)
{
throw e.InnerException;
}
Console.WriteLine("DoWork末尾 ManagedThreadId={0}",
Thread.CurrentThread.ManagedThreadId);
return(instance);
}
private void ShowResult(TplWorker worker)
{
string msg = FormatResult(this._start, this._stop,
worker, this._clickThreadId, this._callbackThreadId);
SetTextbox1Text(msg);
}
private static string FormatResult(DateTime start, DateTime stop,
TplWorker worker, int threadIdStart, int threadIdCallBack)
{
StringBuilder sb = new StringBuilder();
sb.AppendLine(string.Format("開始:{0:HH:mm:ss.fff} @スレッド]{1}",
start, threadIdStart));
for (int i = 0; i < worker.OutputData.Length; i++)
{
sb.AppendFormat("{0}: '{1}'\r\n", i, worker.OutputData[i]);
}
sb.AppendLine(string.Format("終了:{0:HH:mm:ss.fff} @スレッド]{1}",
stop, threadIdCallBack));
return(sb.ToString());
}
private void button1_Click(object sender, EventArgs e)
{
progressBar1.Value = 0;
button1.Enabled = false;
button2.Enabled = true;
textBox1.Text = "実行中";
Application.DoEvents();
this._start = DateTime.Now;
this._clickThreadId = Thread.CurrentThread.ManagedThreadId;
_cts = new CancellationTokenSource();
CancellationToken token = _cts.Token;
var taskScheduler = TaskScheduler.FromCurrentSynchronizationContext();
Task task = Task.Factory.StartNew(
() => TplWorker.DoWork(new SetProgressValueDelegate(SetProgressValue), token)
)
.ContinueWith(
t => Completed(t)
);
}