private void editdesbutton_Click(object sender, RoutedEventArgs e)
        {
            EditDescription edes = new EditDescription(bolayer, currentTaskid, tasknow.description);

            edes.ShowDialog();
            bolayer.load_task_form_server();
        }
        private void EditDescription_Click(object sender, RoutedEventArgs e)
        {
            MenuItem        mi    = sender as MenuItem;
            int             index = ListViewImages.Items.IndexOf(mi.DataContext);
            EditDescription edit  = new EditDescription(this.album.MediaFiles[index].Description);

            edit.ShowDialog();
            if (edit.DialogResult == true)
            {
                this.album.MediaFiles[index].Description = edit.GetNewDescription();
                ListViewImages.Items.Refresh();
                SerializationHelper.Serialize(albumManager);
            }
        }