public WatchedDirectory(string directoryPath, string fileExtension, WatchedDirectoryChangeEventHandler eventHandler)
: base(directoryPath)
{
_watcher = new FileSystemWatcher(directoryPath, fileExtension);
_watcher.Changed += OnWatcherEvent;
_watcher.Created += OnWatcherEvent;
_watcher.Deleted += OnWatcherEvent;
_watcher.NotifyFilter = NotifyFilters.FileName | NotifyFilters.LastWrite | NotifyFilters.CreationTime;
_watcher.EnableRaisingEvents = true;
AddHandler(eventHandler);
}
public WatchedDirectory(string directoryPath, string fileExtension, WatchedDirectoryChangeEventHandler eventHandler)
: base(directoryPath)
{
_watcher = new FileSystemWatcher(directoryPath, fileExtension);
_watcher.Changed += OnWatcherEvent;
_watcher.Created += OnWatcherEvent;
_watcher.Deleted += OnWatcherEvent;
_watcher.NotifyFilter = NotifyFilters.FileName | NotifyFilters.LastWrite | NotifyFilters.CreationTime;
_watcher.EnableRaisingEvents = true;
AddHandler(eventHandler);
}
public void StopDirectoryObserve(string directoryPath, string fileExtension, WatchedDirectoryChangeEventHandler eventHandler)
{
directoryPath = directoryPath.ToLowerInvariant();
string key = directoryPath + fileExtension.ToLowerInvariant();
if (_watchedResources.ContainsKey(key))
{
var watchedDirectory = (WatchedDirectory)_watchedResources[key];
watchedDirectory.RemoveHandler(eventHandler);
if (!watchedDirectory.HasHandles)
{
_watchedResources.Remove(key);
}
}
}
public void StartDirectoryObserve(string directoryPath, string fileExtension, WatchedDirectoryChangeEventHandler eventHandler)
{
directoryPath = directoryPath.ToLowerInvariant();
string key = directoryPath + fileExtension.ToLowerInvariant();
if (_watchedResources.ContainsKey(key))
{
((WatchedDirectory)_watchedResources[key]).AddHandler(eventHandler);
}
else
{
_watchedResources.Add(key, new WatchedDirectory(directoryPath, fileExtension, eventHandler));
}
}
public void RemoveHandler(WatchedDirectoryChangeEventHandler eventHandler)
{
_watcherEvent -= eventHandler;
_handleCount--;
}
public void AddHandler(WatchedDirectoryChangeEventHandler eventHandler)
{
_watcherEvent += eventHandler;
_handleCount++;
}
public void RemoveHandler(WatchedDirectoryChangeEventHandler eventHandler)
{
_watcherEvent -= eventHandler;
_handleCount--;
}
public void AddHandler(WatchedDirectoryChangeEventHandler eventHandler)
{
_watcherEvent += eventHandler;
_handleCount++;
}
