我在这里和其他网站上浏览了很多帖子,寻找解决这个问题的方法。
以下是我的FileMonitor类:
class FileMonitor
{
public FileMonitor(String path)
{
try
{
var watcher = new FileSystemWatcher()
{
Path = path,
IncludeSubdirectories = true,
InternalBufferSize = 65536,
EnableRaisingEvents = true
};
watcher.Changed += new FileSystemEventHandler(OnFileChanged);
watcher.Created += new FileSystemEventHandler(OnFileCreated);
watcher.Deleted += new FileSystemEventHandler(OnFileDeleted);
watcher.Renamed += new RenamedEventHandler(OnFileRenamed);
watcher.Error += new ErrorEventHandler(OnWatcherError);
}
catch (Exception)
{
throw;
}
}
private void OnWatcherError(object sender, ErrorEventArgs e)
{
}
private void OnFileChanged(object sender, FileSystemEventArgs e)
{
try
{
((FileSystemWatcher)sender).EnableRaisingEvents = false;
LogFileSystemChanges(e);
}
finally
{
((FileSystemWatcher)sender).EnableRaisingEvents = true;
}
}
private void OnFileCreated(object sender, FileSystemEventArgs e)
{
try
{
((FileSystemWatcher)sender).EnableRaisingEvents = false;
LogFileSystemChanges(e);
}
finally
{
((FileSystemWatcher)sender).EnableRaisingEvents = true;
}
}
private void OnFileDeleted(object sender, FileSystemEventArgs e)
{
try
{
((FileSystemWatcher)sender).EnableRaisingEvents = false;
LogFileSystemChanges(e);
}
finally
{
((FileSystemWatcher)sender).EnableRaisingEvents = true;
}
}
private void OnFileRenamed(object sender, RenamedEventArgs e)
{
try
{
((FileSystemWatcher)sender).EnableRaisingEvents = false;
LogFileSystemRenaming(e);
}
finally
{
((FileSystemWatcher)sender).EnableRaisingEvents = true;
}
}
private void LogFileSystemChanges(FileSystemEventArgs e)
{
string log = string.Format("{0:G}: {1} | {2}", DateTime.Now, e.FullPath, e.ChangeType);
Console.WriteLine(log);
}
private void LogFileSystemRenaming(RenamedEventArgs e)
{
string log = string.Format("{0:G}: {1} | Old name: {2}", DateTime.Now, e.FullPath, e.OldName);
Console.WriteLine(log);
}
}
你可以看出,我已经尝试了
((FileSystemWatcher)sender).EnableRaisingEvents = false;
的“锁定”,但从我的控制台输出可以看出,我的事件触发了两次。
有什么想法吗?我真的不确定该怎么做。