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POC# - Vista - Decompression being virtualized when using CommonApplicationData
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copied!<p>Assume UAC is ON. This does not create a problem with it off.</p> <p>I have a c# app with a backup/restore functionality and using sql server 2005 express.</p> <p>code to get the backupPath is used for both backup and restore and the name for all purposes will be backup.dat</p> <p>to generate backup path</p> <pre><code>string path = Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData); path = Path.Combine(path, "CompName"); if(!Directory.Exists(path)) Directory.CreateDirectory(path); path = Path.Combine(path, "AppName"); if(!Directory.Exists(path)) Directory.CreateDirectory(path); return path; </code></pre> <p>On backup the db generates backup.dat in **C:\ProgramData\CompName\AppName** and it has no difficulty zipping from that location to a target directory of the users choice.</p> <p>On restore it has no problem getting the archived directory or the file but when it decompresses it goes to **C:\Users\UserName\AppData\Local\VirtualStore\ProgramData\CompName\AppName**</p> <p>I need to know why my decompressed file is going to a virtual store so I can restore the db because from what I understand of programming for vista sql server should not / won't be able to access that virtual store path.</p> <p>edit: failed to provide with decompression - I don't think this is the problem but here it is.</p> <pre><code>private void DecompressArchiveFile(string compressedFile, string backupPath) { GZipStream gzip = new GZipStream(new FileStream(compressedFile, FileMode.Open, FileAccess.Read, FileShare.None), CompressionMode.Decompress, false); FileStream fs = new FileStream(backupPath, FileMode.Create, FileAccess.Write, FileShare.None); byte[] buffer = new byte[10000]; int count = -1; while (count != 0) { count = gzip.Read(buffer, 0, 10000); fs.Write(buffer, 0, count); } gzip.Close(); fs.Close(); } </code></pre> <p>Thanks for any and all help -TK</p>

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