Listview Mouse hover item

Question

I have One listview and Four Textboxes
When i mouse hover listview Items i want to displays those subitems in Textboxes 
I tried this but didn't get the solution............. 



private void lvThumbnail_MouseHover(object sender, EventArgs e)
    {
        try
        {
            if (lvThumbnail.SelectedItems.Count > 0)
            {
                txtCity.Text = lvThumbnail.SelectedItems[0].SubItems[1].Text;
                txtCurrency.Text = lvThumbnail.SelectedItems[0].SubItems[2].Text;
                txtPopulation.Text = lvThumbnail.SelectedItems[0].SubItems[3].Text;
                txtLanguage.Text = lvThumbnail.SelectedItems[0].SubItems[4].Text;
                lvThumbnail.Refresh();
            }
            }

        catch (Exception ex)
        {
            MessageBox.Show(ex.Message);
        }
    }