Monitoring files - how to know when a file is complete

Question

We have several .NET applications that monitor a directory for new files, using FileSystemWatcher. The files are copied from another location, uploaded via FTP, etc. When th

Answer 1

The way I check in Windows if a file has been completely uploaded by ftp is to try to rename it. If renaming fails, the file isn't complete. Not very elegant, I admit, but it works.