如何更新fileSystemWatch以在C＃中查找新创建的文件？

Question

I have a console app which is checking a logfile for newly updated data, if yes, then copies them in a db.

Currently I'm using FileSystemWatcher to track any changes in the log.

What I would like to do is, to track if a new logfile is created, if yes, then to invoke myMethod() in the new logfile. Since I'm new in C# I have a question, should a create a second fileSystemWatcher, or there's a way to update the current one in order to include also this case? I already checked stackoverflow and although I found many posts on fileSystemWatcher, I'm not really sure on how to proceed. Here's my code:

foreach (string path in paths)
        {
            if (path.Length > 0)
            {
                logFile.read(path, errorListAndLevel);

                FileSystemWatcher logWatcher = new FileSystemWatcher();
                logWatcher.Path = Path.GetDirectoryName(path);
                logWatcher.Filter = Path.GetFileName(path);
                logWatcher.IncludeSubdirectories = false;
                logWatcher.NotifyFilter = NotifyFilters.CreationTime | NotifyFilters.DirectoryName | NotifyFilters.FileName | NotifyFilters.LastAccess | NotifyFilters.LastWrite | NotifyFilters.Size;

                logWatcher.Changed += new FileSystemEventHandler(delegate (object sender, FileSystemEventArgs e)
                {
                    logFile.myMethod(errorListAndLevel, e.FullPath.ToString());

                });
                logWatcher.EnableRaisingEvents = true;
             }
         }

I thought of creating a logWatcher.Created... but it isn't working.

logWatcher.Created += new FileSystemEventHandler(delegate (object sender, FileSystemEventArgs e)
{
    logFile.myMethod(errorListAndLevel, e.FullPath.ToString());
});

Answer 1

The problem is the following line

logWatcher.Filter = Path.GetFileName(path);

It filters all files and makes the fileWatcher only whatch that one file. Now this makes the fileWatcher not calling the event Created unless a second a file with the exact same name will be created.

When you comment that line it should work fine.

Additionaly you could do this instead:

logWatcher.Filter = "*.log";

This will filter all files with the ending .log which is what you want from what I can see.