public void WatchFile(string filePath, FileChangedCallback callBack, ISynchronizeInvoke synchronizeInvoke = null)
{
var watcher = new FileSystemWatcher();
watcher.Path = Path.GetDirectoryName(filePath);
/* Watch for changes in LastAccess and LastWrite times, and the renaming of files or directories. */
watcher.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName;
watcher.Filter = Path.GetFileName(filePath);
// Add event handlers.
watcher.Changed += new FileSystemEventHandler((object o, FileSystemEventArgs a) =>
{
if (callBack != null)
{
callBack(filePath);
}
});
//watcher.Created += new FileSystemEventHandler((object o, FileSystemEventArgs a) => { });
//watcher.Deleted += new FileSystemEventHandler((object o, FileSystemEventArgs a) => { });
watcher.Renamed += new RenamedEventHandler((object o, RenamedEventArgs a) =>
{
if (callBack != null)
{
callBack(filePath);
}
});
if (synchronizeInvoke != null)
{
watcher.SynchronizingObject = synchronizeInvoke;
}
watcher.EnableRaisingEvents = true;
watchers.Add(watcher);
}
/// <summary>
/// The constructor for the watcher
/// </summary>
/// <param name="a_logger">
/// instance of logger
/// </param>
/// <param name="a_CallbackMethod">
/// call back method
/// </param>
public FileSystemWatcherHelper(ILogger a_logger, FileChangedCallback a_CallbackMethod)
{
if (a_logger != null)
{
_Logger = a_logger;
}
if (a_CallbackMethod != null)
{
_FileChangedCallbackMethod = a_CallbackMethod;
}
_lastFileEvent = new Dictionary <string, DateTime>();
Interval = 100;
FilterRecentEvents = true;
Intialize();
}
internal static void Register(string path, FileChangedCallback onFileChanged)
{
new FileChangeNotifier(path, onFileChanged);
}
private FileChangeNotifier(string path, FileChangedCallback onFileChanged)
{
_onFileChanged = onFileChanged;
RegisterForNextNotification(path);
}
private FileChangeNotifier(string path, FileChangedCallback onFileChanged)
{
_onFileChanged = onFileChanged;
RegisterForNextNotification(path);
}
internal static void Register(string path, FileChangedCallback onFileChanged)
{
new FileChangeNotifier(path, onFileChanged);
}
