public virtual FileSystemWatcher GetWatcher(string uniquePath)
{
string folderPath = _fileSystem.GetFolderPath(uniquePath);
if (folderPath == null)
{
return(null);
}
string uniqueFolder = _fileSystem.UniqueFolder(folderPath);
if (_watcherByFolder.TryGetValue(uniqueFolder, out FileSystemWatcher watcher))
{
return(watcher);
}
if (!_fileSystem.FolderExists(uniqueFolder))
{
return(null);
}
_watcherByFolder[uniqueFolder] = watcher = new FileSystemWatcher(uniqueFolder)
{
NotifyFilter = NotifyFilters.FileName | NotifyFilters.LastWrite | NotifyFilters.DirectoryName
};
watcher.FullyReleased += OnWatcherFullyReleased;
return(watcher);
}
public virtual FileSystemWatcher GetWatcher(string path)
{
// We use a watcher by path root because watching a specific folder will lock all its parent folder with Windows.
// It probably have an impact on performance but locking folders can have an impact on user experience.
string pathRoot = _fileSystem.UniqueFolder(Path.GetPathRoot(path));
if (_watcherByRoot.TryGetValue(pathRoot, out FileSystemWatcher driveWatcher))
{
return(driveWatcher);
}
_watcherByRoot[pathRoot] = driveWatcher = new FileSystemWatcher(pathRoot)
{
NotifyFilter = NotifyFilters.FileName | NotifyFilters.LastWrite | NotifyFilters.DirectoryName,
IncludeSubdirectories = true
};
driveWatcher.FullyReleased += OnWatcherFullyReleased;
return(driveWatcher);
}