public FileDropWatcher(string path, string filter, SearchOption searchOption = SearchOption.TopDirectoryOnly)
{
_searchOption = searchOption;
var includeSubdirectories = searchOption == SearchOption.AllDirectories;
_path = path;
_watcher = new ObservableFileSystemWatcher(w => {
w.Path = path;
w.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName;
w.IncludeSubdirectories = includeSubdirectories;
});
var renames = _watcher.Renamed.Select(r => new FileDropped(r));
var creates = _watcher.Created.Select(c => new FileDropped(c));
Dropped = creates
.Merge(renames)
.Merge(_pollResults)
.Where(dropped => Regex.IsMatch(dropped.Name, filter));
}
public FileDropWatcher(string path, string filter, SearchOption searchOption = SearchOption.TopDirectoryOnly)
{
_searchOption = searchOption;
var includeSubdirectories = searchOption == SearchOption.AllDirectories;
_path = path;
_watcher = new ObservableFileSystemWatcher(w => {
w.Path = path;
w.Filter = filter;
// note: filtering on changes can help reduce excessive notifications, make sure to verify any changes with integration tests
w.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName;
w.IncludeSubdirectories = includeSubdirectories;
});
var renames = _watcher.Renamed.Select(r => new FileDropped(r));
var creates = _watcher.Created.Select(c => new FileDropped(c));
var changed = _watcher.Changed.Select(c => new FileDropped(c));
Dropped = creates
.Merge(renames)
.Merge(changed)
.Merge(_pollResults)
.Where(dropped => Regex.IsMatch(dropped.Name, filter));
}