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Regards Rolf I was able to do the following: // Display the Progress Bar control. Visible = true; // Set Minimum to 1 to represent the first file being copied. Minimum = 1; // Set Maximum to the total number of files to copy. I don't know if using Do Events() is a good thing either.I have an article on my blog where I use some Windows API's to show a progress bar just like Windows does.The wpf control is to display a status (Progress Bar) indicating the number of files processed at any given time.So I put up the following code, but the Progress Bar simply does not show any progress. XAML: Code Behind: public partial class Replace User Control : User Control, INotify Property Changed { public Replace User Control() ....File-IO can be very consumptive regarding processor-time and thus performance.I think your application is too busy with copying (especially in the case of large files) and thus the Progress Bar is not updated.I can see the progressbar update very quickly to halfway on two of the small files. I was thinking I could make the progressbar update based upon how far along the file was during the copy.The two larger 36MB files do not update the bar at all until the end and then the blue bars on the Progress Bar only go up to halfway when completed. Value = 1; // Set the Step property to a value of 1 to represent each file being copied. Step = 1; try { foreach (List View Item item in list View Files. So as say a 14MB file is copying it does like windows and moves the bar until 14MB is reached. What I have above is kind of an "overall" progressbar.

The Name property represents the name of the control, which is a unique identifier of a control.

Hope this helps: wrote: Please consider: foreach (List View Item item in list View Files.

What I am trying to do is have it so that each file copied gets the Progress Bar a little closer to the end until they are all copied.

What I am trying to do is have it so that each file copied gets the Progress Bar a little closer to the end until they are all copied. You should definitely be performing long-running operations in a worker thread - but then you can't update the UI directly from the worker thread. -- Jon Skeet - I was able to do the following: // Display the Progress Bar control. Visible = true; // Set Minimum to 1 to represent the first file being copied. Minimum = 1; // Set Maximum to the total number of files to copy. I don't know if using Do Events() is a good thing either. And the progressbar updates based upon the number of files I have.

In such cases (copying, writing several files) I use to update the Progress Bar according to the file size of the individual file related to the overall size of all files. But now that I think about it that's not really what I meant to do.

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