TurtleZenTaoLib.IssuesForm.listview_MouseUp C# (CSharp) Méthode

        private void listview_MouseUp(object sender, MouseEventArgs e)
        {
            ListView listView = (ListView)sender;

            ListViewHitTestInfo hit = listView.HitTest(e.X, e.Y);

            ListViewItem.ListViewSubItem subItem = hit.SubItem;
            if (subItem == null || listView.Tag == null)
            {
                return;
            }

            if (subItem.Tag == null)
            {
                subItem.Tag = false;
            }
            else
            {
                subItem.Tag = !(bool)subItem.Tag;
            }

            ListViewItem.ListViewSubItem firstSubItem = hit.Item.SubItems[0];

            if ((SearchOperate)listView.Tag == SearchOperate.TASK)
            {
                taskListHit(hit);
            }
            else {
                bugListHit(hit);
            }
        }