How to use OpenFileDialog in WPF

There is no OpenFileDialog control in WPF. You have to code to get the dialog. The following example open a file dialog and looking for default extension vhd.

privatevoid btnOpenFile_Click(object sender, RoutedEventArgs e)


  // Configure open file dialog box

  Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();


  dlg.FileName = “”; // Default file name

  dlg.DefaultExt = “.vhd”; // Default file extension

  dlg.Filter = “Hyper V image (.vhd)|*.vhd”; // Filter files by extension


  // Show open file dialog box

  Nullable<bool> result = dlg.ShowDialog();


  // Process open file dialog box results

  if (result == true)


    // Open document

    string filename = dlg.FileName;


    textBox1.Text = filename;



You can also download a single solution from The sample file name is WPFAppOpenFileDialog.rar My MSN ID is

About chanmingman

Since March 2011 Microsoft Live Spaces migrated to Wordpress ( till now, I have is over 1 million viewers. This blog is about more than 50% telling you how to resolve error messages, especial for Microsoft products. The blog also has a lot of guidance teaching you how to get stated certain Microsoft technologies. The blog also uses as a help to keep my memory. The blog is never meant to give people consulting services or silver bullet solutions. It is a contribution to the community. Thanks for your support over the years. Ming Man is Microsoft MVP since year 2006. He is a software development manager for a multinational company. With 25 years of experience in the IT field, he has developed system using Clipper, COBOL, VB5, VB6, VB.NET, Java and C #. He has been using Visual Studio (.NET) since the Beta back in year 2000. He and the team have developed many projects using .NET platform such as SCM, and HR based applications. He is familiar with the N-Tier design of business application and is also an expert with database experience in MS SQL, Oracle and AS 400.
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1 Response to How to use OpenFileDialog in WPF

  1. Pingback: WPF中的OpenFileDialog

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