C#

private delegate void _Post_Result(object[] data);

private void Post_Result(object[] data)
{
    if (lvThreads.InvokeRequired)
    {
        //This means that calling was accessed in separate thread
        _Post_Result upd = new _Post_Result(Post_Result);
        //this.lvThreads.Invoke(upd, data);
        this.lvThreads.Invoke(upd, new object[] { data });
    }
    else
    {
        //This means that calling of lvThreads is in main thread
        ListViewItem lvitem = (ListViewItem)data[0];
        this.lvThreads.Items[lvitem.Text].SubItems[1].Text = Convert.ToString(data[1]);
    }
}