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copied!<p>If you know the file name of the file whose icon you want, you can use the <a href="http://msdn.microsoft.com/en-us/library/system.drawing.icon.extractassociatedicon.aspx" rel="nofollow" title="MSDN: Icon.ExtractAssociatedIcon Method"><code>ExtractAssociatedIcon</code></a> function for that purpose. e.g.</p> <pre><code>Icon ico = Icon.ExtractAssociatedIcon(@"C:\WINDOWS\system32\notepad.exe"); </code></pre> <p>There is a catch to this method though. According to its documentation,</p> <blockquote> <p>When ExtractAssociatedIcon is used with bitmaps, a thumbnail image may be returned instead of an icon if the system that is running the application has a registry setting that causes bitmap files to be shown as thumbnail images.</p> </blockquote> <p>One other thing I found was that this method only extracts 32x32pixel icons.</p> <p>See <a href="http://msdn.microsoft.com/en-us/library/system.drawing.icon.extractassociatedicon.aspx" rel="nofollow" title="MSDN: Icon.ExtractAssociatedIcon Method">System.Drawing.Icon.ExtractAssociatedIcon (MSDN)</a> for more how to use this method.</p> <hr> <p>For a more robust icon extractor, I'd suggest you look at the <a href="http://www.codeproject.com/KB/system/OSIcon.aspx" rel="nofollow" title="OSIcon - CodeProject">OSIcon</a> project on CodeProject.<br> It allows you to get the associated icon of any file using its file name <em>or</em> extension.<br> Here is a sample code for doing that:</p> <pre><code>OSIcon.WinAPI.Shell32.SHFILEINFO shfi = new Shell32.SHFILEINFO(); Icon icon = OSIcon.IconReader.GetFileIcon(".png", IconReader.IconSize.Large, false, ref shfi); </code></pre> <p>This is the link to the project: <a href="http://www.codeproject.com/KB/system/OSIcon.aspx" rel="nofollow" title="OSIcon - CodeProject">http://www.codeproject.com/KB/system/OSIcon.aspx</a></p>

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