Filesystemwatcher on all drives

string[] drives = Environment.GetLogicalDrives();
            foreach (string strDrive in drives)
            {
                DriveInfo df = new DriveInfo(strDrive);
                FileWat = new FileSystemWatcher();
                FileWat.IncludeSubdirectories = true;
                FileWat.Filter = "*";
                FileWat.Path = df.Name;
                FileWat.NotifyFilter = NotifyFilters.FileName | NotifyFilters.DirectoryName | NotifyFilters.Attributes | NotifyFilters.Size | NotifyFilters.LastWrite | NotifyFilters.LastAccess | NotifyFilters.CreationTime | NotifyFilters.Security;
                FileWat.Created += new FileSystemEventHandler(FilewatCreated);
                FileWat.Changed += new FileSystemEventHandler(FileChanged);             
                FileWat.Renamed += new RenamedEventHandler(FileRenamed);
                FileWat.InternalBufferSize = 65536; // 64 KB – the maximum allowed buffer size.
                FileWat.EnableRaisingEvents = true;
            }