File lock

Author: Miroslav Stampar

URL: http://mstampar.awardspace.com/

// Lock files so that no one else can access it:

 // --------
 // Method 1
 // --------
 string filename = "c:\\sample.htm";
 FileStream stream = new FileStream(filename, FileMode.Open, FileAccess.Read,
 FileShare.None); //locks file

 // ...

 stream.Close(); //unlocks file

 // --------
 // Method 1
 // --------

 string filename = "c:\\sample.htm";
 FileStream stream = File.Open(filename, FileMode.Open);
 stream.Lock(0, stream.Length); //locks file

 // ...

 stream.Unlock(0, stream.Length); //unlocks file