How Select listview item to show it content into text box programmatically

[mrar]

hello guys!
i want select next row from listview to show it content in textbox with a shortcut key
i test this:

 private void textBox1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.F8)
{
int index = 0;
index = this.listView1.SelectedIndices[0];
listView1.Items[index+1].Selected = true;
listView1.Select();

this code don't show the contents just change selected to Blue color, only when i select with the mouse it works but with another code:

private void listView1_SelectedIndexChanged(object sender, EventArgs e)
{
TextBox1.Text = listView1.FocusedItem.SubItems[4].Text;
}

[mrar]

i found it
thanks for help ;)