this.invoke(new Action

        private void CheckA()
        {
            System.Threading.ThreadPool.QueueUserWorkItem(t => {
                ShowInfo("检测开始.....");
                System.Threading.Thread.Sleep(3000);
                ShowInfo("暂停3秒结束.....");
                System.Threading.Thread.Sleep(2000);
                ShowInfo("暂停2秒结束.....");
                System.Threading.Thread.Sleep(1000);
                ShowInfo("检测结束");
            });
                       
        }
        private void ShowInfo(string Info)
        {
            listView1.Invoke(new Action(() =>
            {
                listView1.Columns[0].Width = listView1.ClientSize.Width;
                listView1.Items.Insert(0, new ListViewItem(Info));
            }));            
        }  

原文：https://www.cnblogs.com/xihong2014/p/13924210.html