Banshee.PlayQueue.PlayQueueSource.CreateHeaderWidget C# (CSharp) Méthode

        public HeaderWidget CreateHeaderWidget ()
        {
            var header_widget = new HeaderWidget (shuffler, populate_shuffle_mode, populate_from_name);
            header_widget.ModeChanged += delegate (object sender, EventArgs<RandomBy> e) {
                populate_shuffle_mode = e.Value.Id;
                PopulateModeSchema.Set (populate_shuffle_mode);
                UpdatePlayQueue ();
                OnUpdated ();
            };

            populate_shuffle_mode = header_widget.ShuffleModeId;

            header_widget.SourceChanged += delegate (object sender, EventArgs<DatabaseSource> e) {
                populate_from = e.Value;
                if (populate_from == null) {
                    populate_from_name = String.Empty;
                    PopulateFromSchema.Set (String.Empty);
                    return;
                }

                populate_from_name = e.Value.Name;
                PopulateFromSchema.Set (e.Value.Name);
                source_set_at = DateTime.Now;
                populate_from.Reload ();
                Refresh ();
            };

            return header_widget;
        }