nature_net.user_controls.custom_listbox.display_all_activities C# (CSharp) Метод

        public void display_all_activities(object arg, RunWorkerCompletedEventArgs e)
        {
            this._list.Items.Dispatcher.BeginInvoke(DispatcherPriority.Normal,
               new System.Action(() =>
               {
                   this._list.Items.Clear();
                   List<Activity> activities = (List<Activity>)e.Result;
                   foreach (Activity a in activities)
                   {
                       item_generic i = new item_generic();
                       i.username.Text = a.name;
                       i.user_desc.Content = configurations.GetDate_Formatted(a.creation_date);
                       //i.user_desc.Visibility = System.Windows.Visibility.Collapsed;
                       i.desc.Content = "Description:";
                       i.content.Text = a.description;
                       if (parent != null) { i.Width = parent.ActualWidth - 75; }
                       i.username.FontWeight = FontWeights.Bold;
                       i.username.Width = i.username.Width + 30;
                       i.BorderBrush = Brushes.Gray; i.BorderThickness = new Thickness(0, 0, 0, 2);
                       i.avatar.Visibility = System.Windows.Visibility.Collapsed;
                       //i.avatar.Source = new BitmapImage(new Uri(configurations.GetAbsoluteAvatarPath() + c.User.avatar));
                       i.Tag = a.id;
                       if (configurations.use_avatar_drag) i.set_touchevent(this.avatar_drag);
                       i.Margin = items_margins;
                       this._list.Items.Add(i);
                   }
                   this._list.Items.Refresh();
                   this._list.UpdateLayout();
               }));
        }