private void _getTeachersByTeacherName_DoWork(object sender, DoWorkEventArgs e)
{
AvaliableTeachersListView.Dispatcher.InvokeAsync(() =>
{
try
{
AvaliableTeachersListView.ItemsSource = _server.GetTeachersByName(TeacherNameTextBox.Text);
}
catch (Exception ex)
{
ErrorOrSuccessTextBlock.Dispatcher.InvokeAsync(() => { ErrorOrSuccessTextBlock.Text += ex; });
}
});
Thread.Sleep(20);
_progressBarWorker.CancelAsync();
}