コード例 #1
0
        public BackgroundWorkerView()
        {
            InitializeComponent();

            DataContext = this;

            _backgroundWorker = new BackgroundWorker();
            _backgroundWorker.WorkerReportsProgress = true;
            _backgroundWorker.WorkerSupportsCancellation = true;
            _backgroundWorker.DoWork += BackgroundWorker_DoWork;
            _backgroundWorker.RunWorkerCompleted += BackgroundWorker_RunWorkerCompleted;
            _backgroundWorker.ProgressChanged += BackgroundWorker_ProgressChanged;

            MyTestObject = new MyObject()
                {
                    MyDouble = 134.34,
                    MyString = "Hello, world",
                    IntList = new ObservableCollection<int>()
                };
        }
コード例 #2
0
        private void MyWork(MyObject parameter)
        {
            Action<int> workMethod = i => AutoNumberTextBox.Text = i.ToString();

            var n = 100;
            for (int i = 0; i < n; i++)
            {
                if (_backgroundWorker.CancellationPending)
                    return;

                if (_backgroundWorker.WorkerReportsProgress)
                    _backgroundWorker.ReportProgress(i * 100 / n);

                Thread.Sleep(TimeSpan.FromSeconds(0.05));

                AutoNumberTextBox.Dispatcher.BeginInvoke(DispatcherPriority.Normal, workMethod, i);

                Dispatcher.BeginInvoke(DispatcherPriority.Normal,
                    (ThreadStart) (() =>
                    {
                        parameter.MyString = i.ToString();
                        parameter.IntList.Add(i);
                    }));
            }
        }