sdk listbox控件如何使选中项高亮显示

//listView1鼠标离开后高亮显示
private void listView1_Validated(object sender, EventArgs e)
{
if (listView1.FocusedItem != null)
{
listView1.FocusedItem.UseItemStyleForSubItems = true;//继承正行颜色
listView1.FocusedItem.BackColor = SystemColors.Highlight;
listView1.FocusedItem.ForeColor = Color.White;
}
}
//listView1鼠标离开后高亮显示
private void listView1_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
{
e.Item.BackColor = SystemColors.Window;
e.Item.ForeColor = Color.Black;

if (listView1.FocusedItem != null)
{
listView1.FocusedItem.Selected = true;
//listView1.Items[1].Selected = true;
}
}