public IDisposable RegisterNotification(Path path, string filter = "*", bool includeSubdirectories = false,
Action <File> created = null, Action <File> modified = null,
Action <File> deleted = null, Action <File> renamed = null)
{
if (created == null && modified == null && renamed == null && deleted == null)
{
throw new ArgumentException("One event type (created, modified, renamed or deleted) must be specified.");
}
WatcherChangeTypes watcher = 0;
if (created != null)
{
watcher |= WatcherChangeTypes.Created;
}
if (modified != null)
{
watcher |= WatcherChangeTypes.Changed;
}
if (renamed != null)
{
watcher |= WatcherChangeTypes.Renamed;
}
if (deleted != null)
{
watcher |= WatcherChangeTypes.Deleted;
}
var id = new FileSystemNotificationIdentifier(path ?? new Path(Environment.CurrentDirectory), watcher, filter ?? "*",
includeSubdirectories);
FileSytemNotifierEntry entry;
if (!Watchers.TryGetValue(id, out entry))
{
lock (Watchers)
{
if (!Watchers.TryGetValue(id, out entry))
{
Watchers.Add(id, entry = CreateEntry(id));
}
}
}
return(entry.AddNotifiers(created, deleted, modified, renamed));
}
public abstract FileSytemNotifierEntry CreateEntry(FileSystemNotificationIdentifier notificationIdentifier);
