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I've trawled the net and only ended up more confused than ever. This can be beneficial to other community members reading this thread.I'm very new to WPF and C# and have been struggling with this for several days. Please remember to click "Mark as Answer" the responses that resolved your issue, and to click "Unmark as Answer" if not. If you have any compliments or complaints to

This can be beneficial to other community members reading this thread.

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Using WPF 4.5 to implement a Responsive UI with Asynchronous Operations: Ī Progress Bar using WPF’s ProgressBar Control, BackgroundWorker, and MVVML: You can refer the following links and modify your code. I think your ProgressBar Not Updating on Value Change cause by the UI thread is stuck / /// Start Export thread /// /// /// private void btnStart_Click( object sender, RoutedEventArgs e) Show( "Export Complete", "Export", MessageBoxButton. / /// when complete /// /// /// private void Export_RunWorkerCompleted( object sender, RunWorkerCompletedEventArgs e) / /// perform all work here /// /// /// private void Export_DoWork( object sender, DoWorkEventArgs e)įor ( int i = 0  i /// track progress - this is where you will Update the ProgressBar /// /// /// private void Export_ProgressChanged( object sender, ProgressChangedEventArgs e) RunWorkerCompleted += Export_RunWorkerCompleted īgWorkerExport. WorkerReportsProgress = true īgWorkerExport. / /// Interaction logic for MainWindow.xaml /// public partial class MainWindow : WindowīgWorkerExport. I created a small sample using a backgroundworker threadĪdd a reference to System.ComponetModel to access the backgroundworker Is the export function on a different thread? just from the code you added it looks like the export function is running on the UI thread.