Is XMLDocument.Save an atomic operation?

Question

Is there anyway another process monitoring for files created using XMLDocument.Save() could encounter a partial file? Does it make any difference if Save() is overwriting an

Answer 1

Writing files is, in general, not atomic. Check out Process Monitor to get an idea what the OS exposes.

XmlDocument.Save(string) uses FileShare.Read. ChaosPandion's solution specifies FileShare.None. Check out System.IO.FileShare on MSDN for the difference.