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>()
};
}
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);
}));
}
}