Notifying generation of files in a defined folder

Question

I have requirement that one process will trigger generation of multiple files (i.e. N number of file), There will be an application that will notify an external process the success (1) or failure (0) of the file generation process. If N number of files are generated on specific folders then that will be the success criterion. The destination folders and completion time are different for N files. In addition to the completion of the complete file generation process will take different time of completion on different days based on data volume, network congestion etc . So scheduling a job to get the file count in a specific time will not a feasible solution here. Could you please put your suggestion here to address the problem?

Answer 1

You can try FileSystemWatcher class as follows :

 private void keepchecking()
{
FileSystemWatcher wt = new FileSystemWatcher();
wt.Path = path;
wt.NotifyFilter = NotifyFilters.LastWrite;
wt.Filter = "*.*";
wt.Changed += new FileSystemEventHandler(OnChanged);
wt.EnableRaisingEvents = true;
}

 private void OnChanged(object source, FileSystemEventArgs e)
{
 MessageBox.Show("New FIle Detected");
}