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copied!<p>Ths issue with the above answer is that is does not take care of exception in sub directories. This would be a better way to handling those exceptions so you get ALL files from ALL subdirectories except those with threw an access exception:</p> <pre><code> /// <summary> /// A safe way to get all the files in a directory and sub directory without crashing on UnauthorizedException or PathTooLongException /// </summary> /// <param name="rootPath">Starting directory</param> /// <param name="patternMatch">Filename pattern match</param> /// <param name="searchOption">Search subdirectories or only top level directory for files</param> /// <returns>List of files</returns> public static IEnumerable<string> GetDirectoryFiles(string rootPath, string patternMatch, SearchOption searchOption) { var foundFiles = Enumerable.Empty<string>(); if (searchOption == SearchOption.AllDirectories) { try { IEnumerable<string> subDirs = Directory.EnumerateDirectories(rootPath); foreach (string dir in subDirs) { foundFiles = foundFiles.Concat(GetDirectoryFiles(dir, patternMatch, searchOption)); // Add files in subdirectories recursively to the list } } catch (UnauthorizedAccessException) { } catch (PathTooLongException) {} } try { foundFiles = foundFiles.Concat(Directory.EnumerateFiles(rootPath, patternMatch)); // Add files from the current directory } catch (UnauthorizedAccessException) { } return foundFiles; } </code></pre>

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