How to extract default file icon in WPF application

documentIconsDemosl1 In Windows every file has default icon, and it is shown in Windows Explorer while browsing files on disk. If you want to grab this icon in WPF application there are several ways. One of the solution is by using ExtractAssociatedIcon from Icon class located in System.Drawing namespace. The following code shows how to extract default icon from the file specified by file name: [sourcecode lang="csharp"] var sysicon = System.Drawing.Icon.ExtractAssociatedIcon(filePath); var bmpSrc = System.Windows.Interop.Imaging.CreateBitmapSourceFromHIcon( sysicon.Handle, System.Windows.Int32Rect.Empty, System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions()); sysicon.Dispose(); [/sourcecode] Explanation of the code above is straightforward.First we need file path, then we need to call Icon.ExtractAssociatedIcon(filePath) to get Icon object. From the icon object we can create BitmapSource which can be show everywhere in the WPF application.   Complete source code demo can be found here.


Posted May 28 2014, 12:40 PM by Bahrudin

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