调试易

 private void Form1_Load(object sender, EventArgs e)
        {
            objectListView1.Items.Clear();
            objectListView1.Items.Add("1");
            objectListView1.Items.Add("2");
            objectListView1.Items.Add("3");
            objectListView1.Items.Add("4");
            objectListView1.Items.Add("5");
        }
        private void button1_Click(object sender, EventArgs e)
        {            Thread sd = new Thread(new ThreadStart(CountItems));
            sd.Start();
        }        List<string> checkedselectedItems = new List<string>();        private void CountItems() {
            ISynchronizeInvoke sync = objectListView1;
            if (sync.InvokeRequired) {
                //how to do the invoke method,get Checked Objects Items ?????
                //if user checked some items in objectListView1
                //I want to do nothing  before objectListView1.SetObjects ,
                // if do objectListView1.SetObjects and that objectListView1.CheckedObjects.Count > 0 ,
                //                 //bool hasChecked = false;
                //while (!hasChecked)
                //{
                //    if (objectListView1.SelectedObjects.Count == 0)
                //    {
                //        hasChecked = true;// to Waiting
                //    }
                //    else
                //    {
                //        Application.DoEvents();//to do other things
                //        continue;
                //    }
                //}
/*
我的意思就是在这里，如果要刷新、更新ListView界面的列表值。而界面已有用户选中项目，为了不让刷新、更新界面冲掉选中项（不使选中项失效）
所以让刷新、更新界面在循环中等待，直到用户没有选中
*/
                
 
            } else {                checkedselectedItems = objectListView1.CheckedObjects as List<string>;// objectListView1.SelectedObjects;
                 
            }
        }
        
     
       
    }