hMailServer.Administrator.ucAntiVirus.buttonDeleteBlockedAttachment_Click C# (CSharp) Method

        private void buttonDeleteBlockedAttachment_Click(object sender, EventArgs e)
        {
            if (!Utility.AskDeleteItems())
              return;

               hMailServer.Settings settings = APICreator.Settings;
            hMailServer.AntiVirus antiVirusSettings = settings.AntiVirus;
            hMailServer.BlockedAttachments attachments = antiVirusSettings.BlockedAttachments;

            List<ListViewItem> itemsToRemove = new List<ListViewItem>();

            foreach (ListViewItem item in listBlockedAttachments.SelectedItems)
            {
                int id = Convert.ToInt32(item.Tag);
                attachments.DeleteByDBID(id);
                itemsToRemove.Add(item);
            }

            foreach (ListViewItem item in itemsToRemove)
            {
                listBlockedAttachments.Items.Remove(item);
            }

            Marshal.ReleaseComObject(settings);
            Marshal.ReleaseComObject(antiVirusSettings);
            Marshal.ReleaseComObject(attachments);
        }