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  • c# ListView 简单操作

    1. 添加数据

           listView1.Items.Clear();
                for (int i = 0; i < 50; i++)
                {
                    ListViewItem lv = new ListViewItem();
                    lv.Text = "new " + i;
                    lv.SubItems.Add("feeder " + i);
                    listView1.Items.Add(lv);
                }
    

    2.获取选择项的事件

            private void listView1_SelectedIndexChanged(object sender, EventArgs e)
            {
                if (listView1.SelectedIndices != null && listView1.SelectedIndices.Count > 0)
                {
                    ListView.SelectedIndexCollection c = listView1.SelectedIndices;
                    clickname = listView1.Items[c[0]].SubItems[1].Text;
                }
            }
    

    3.移除某行

            string clickname;
            private void button1_Click_1(object sender, EventArgs e)
            {
                if (clickname != "")
                {
                    for (int i = 0; i < listView1.Items.Count; i++)
                    {
                        if (listView1.Items[i].SubItems[1].Text == clickname)
                        {
                            //ncAndIp.Remove(clickname);
                            listView1.Items[i].Remove();
                            clickname = "";
                            break;
                        }
                    }
                }
            }
    

    4.遍历并查找某项是否存在, 若存在高亮选择

            private void button3_Click_1(object sender, EventArgs e)
            {
                string txt = textBox3.Text.Trim();
                if (txt != "")
                {
                    for (int i = 0; i < listView1.Items.Count; i++)
                    {
                        if (listView1.Items[i].SubItems[1].Text == txt || listView1.Items[i].SubItems[0].Text == txt)
                        {
                            //获得焦点, 方便选择效果
                            listView1.Focus();
                            //选择该行
                            listView1.Items[i].Selected = true;
                            //滚动条滚到选择行
                            listView1.EnsureVisible(i);
                            //在失去焦点的时候依然有选择效果
                            //listView1.HideSelection = false;
                            break;
                        }
                    }
                }
            }
    

      

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  • 原文地址:https://www.cnblogs.com/weloglog888/p/6721996.html
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