public ObservableFileSystemWatcher(string path, string filter = null)
{
_fileSystemWatcher = string.IsNullOrWhiteSpace(filter)
? new FileSystemWatcher(path)
: new FileSystemWatcher(path, filter);
Changed = Observable.FromEventPattern<FileSystemEventHandler, FileSystemEventArgs>
(h => (s, e) => h(s, e),
h => _fileSystemWatcher.Changed += h,
h => _fileSystemWatcher.Changed -= h)
.Select(e => e.EventArgs);
Created = Observable.FromEventPattern<FileSystemEventHandler, FileSystemEventArgs>
(h => (s, e) => h(s, e),
h => _fileSystemWatcher.Created += h,
h => _fileSystemWatcher.Created -= h)
.Select(e => e.EventArgs);
Deleted = Observable.FromEventPattern<FileSystemEventHandler, FileSystemEventArgs>
(h => (s, e) => h(s, e),
h => _fileSystemWatcher.Deleted += h,
h => _fileSystemWatcher.Deleted -= h)
.Select(e => e.EventArgs);
Errors = Observable.FromEventPattern<ErrorEventHandler, ErrorEventArgs>
(h => (s, e) => h(s, e),
h => _fileSystemWatcher.Error += h,
h => _fileSystemWatcher.Error -= h)
.Select(e => e.EventArgs);
Renamed = Observable.FromEventPattern<RenamedEventHandler, RenamedEventArgs>
(h => (s, e) => h(s, e),
h => _fileSystemWatcher.Renamed += h,
h => _fileSystemWatcher.Renamed -= h)
.Select(e => e.EventArgs);
_fileSystemWatcher.DisposeWith(this);
}