Set ContextMenu location

private void listView1_MouseClick(object sender, MouseEventArgs e)
{
    if (e.Button == MouseButtons.Right)
    {
        ListViewHitTestInfo hitTestInfo = listView1.HitTest(e.X, e.Y);
        if (hitTestInfo.Item != null)
        {
            contextMenuStrip1.Show(listView1, e.X, e.Y);
        }
    }
}