ListView失去焦點選中行不能高亮顯示的問題

ListView的HideSelection屬性設置為True。

 1 public Form1()
 2         {
 3             InitializeComponent();
 4 
 5             //顯示樣式
 6             listView1.View = View.LargeIcon;
 7             listView1.LargeImageList = imageList1;
 8 
 9             //禁止多選
10             listView1.MultiSelect = false
 
;
11 
12             //添加項
13             listView1.Items.Add("aaaaaa");
14             listView1.Items.Add("BBBBBBB");
15 
16             listView1.Items[0].ImageIndex = 0;
17             listView1.Items[1].ImageIndex = 0;
18 
19         }
20 
21         private void Form1_Load(object sender, EventArgs e)
 
22         {
23             //選中一項
24             listView1.Items[1].Selected = true;
25             listView1.Items[0].EnsureVisible();
26             listView1.Select();                 //激活控件
27             
28 
29         }
30 
31         private void button1_Click(object sender, EventArgs e)
32         {
 
33             string str = listView1.SelectedItems[0].Text;
34 
35             MessageBox.Show(str);
36         }
37 
38 
39 
40         private void listView1_Click(object sender, EventArgs e)
41         {
42             string str = listView1.SelectedItems[0].Text;
43 
44             MessageBox.Show(str);
45 
46         }

C# ListView