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POUnbelievable strange file creation time problem
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copied!<p>I have a very strange problem indeed! I wonder if the problem is in the framework, OS or maybe it's just me, misunderstanding things...</p> <p>I have a file, which might be created a long time ago, I use the file, and then I want to archive it, by changing it's name. Then I want to create a new file, with the same name as the old file had, before it was renamed. Easy enough!</p> <p>The problem that really puzzles me, is that the newly created file gets wrong "created"-timestamp! That's a problem since it's that timestamp that I want to use for determing when to archive and create a new file.</p> <p>I've created a very small sample that shows the problem. For the sample to work, there must be a file 1.txt in the Files folder. Also, the file attribute must also be set back in time (with one of the tools available, I use Nomad.NET).</p> <pre><code> static void Main(string[] args) { // Create a directory, if doesnt exist. string path = Path.GetDirectoryName(Application.ExecutablePath) + "\\Files"; Directory.CreateDirectory(path); // Create/attach to the 1.txt file string filename = path + "\\1.txt"; StreamWriter sw = File.AppendText(filename); sw.WriteLine("testing"); sw.Flush(); sw.Close(); // Rename it... File.Move(filename, path + "\\2.txt"); // Create a new 1.txt sw = File.AppendText(filename); FileInfo fi = new FileInfo(filename); // Observe, the old files creation date!! Console.WriteLine(String.Format("Date: {0}", fi.CreationTime.Date)); Console.ReadKey(); } </code></pre>

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