public FileWatcher(string path, bool isDirectory)
{
string dirname;
string filename;
if (isDirectory)
{
dirname = path;
filename = string.Empty;
}
else
{
dirname = Path.GetDirectoryName(path) ?? string.Empty;
filename = Path.GetFileName(path) ?? string.Empty;
}
_watcher = new FileSystemWatcher(dirname, filename)
{
IncludeSubdirectories = isDirectory,
Filter = isDirectory ? "*.*" : string.Empty,
NotifyFilter =
NotifyFilters.FileName |
(isDirectory ? NotifyFilters.DirectoryName : 0) |
NotifyFilters.LastWrite
}.AddTo(_disposable);
Observable.Merge(
_watcher.CreatedAsObservable(),
_watcher.DeletedAsObservable(),
_watcher.ChangedAsObservable(),
_watcher.RenamedAsObservable())
.Throttle(TimeSpan.FromMilliseconds(500))
.Subscribe(e => FileUpdated?.Invoke(this, e))
.AddTo(_disposable);
}