listview error c＃

Question

我有一個ListView。我想從中選擇第一個元素，然後調用一個方法。事情是，雖然我有列表視圖中的元素我不知道爲什麼下面的代碼不工作，當我想選擇元素。需要幫忙。 THX

listview.Items[0].Selected = true; 
listview.Select(); 
int c =listview.SelectedItems.Count; 
MessageBox.Show(c + ": and : " + listview.Items[0].ToString()); .//here the c=0 and it should be 1:(
// Thread.Sleep(3000); 
method(); 

我有：

ListViewItem it = new ListViewItem("a"); 
it.SubItems.Add("s"); 
it.SubItems.Add(""v"); 
it.Tag = call; 
listview.Items.Add(it); 

Answer 1

爲

System.Windows.Forms.ListViewItem listViewItem4 = new System.Windows.Forms.ListViewItem("fdasf"); 
System.Windows.Forms.ListViewItem listViewItem5 = new System.Windows.Forms.ListViewItem("sdfsadf"); 
System.Windows.Forms.ListViewItem listViewItem6 = new System.Windows.Forms.ListViewItem("gdsgdfg"); 

和

this.listView1.Items.AddRange(new System.Windows.Forms.ListViewItem[] { 
    listViewItem4, 
    listViewItem5, 
    listViewItem6}); 
this.listView1.Location = new System.Drawing.Point(84, 88); 
this.listView1.Name = "listView1"; 
this.listView1.Size = new System.Drawing.Size(121, 97); 
this.listView1.TabIndex = 0; 
this.listView1.UseCompatibleStateImageBehavior = false; 
this.listView1.View = System.Windows.Forms.View.List; 

這個作品和c是1

listView1.Items[0].Selected = true; 
listView1.Select(); 
int c =listView1.SelectedItems.Count; 
MessageBox.Show(c + ": and : " + listView1.Items[0].ToString()); 
// Thread.Sleep(3000); 
method(); 

這個問題可能是別的地方。

Answer 2

listview.SelectedIndex = 1; 試試這個。

Answer 3

你似乎可以用正確的方式選擇一個項目：

listview.Items[0].Selected = true;