Cross-Thread Operation listView Delegate Threads C#

Source: StackOverflow 

private delegate void AddItemCallback(object o);
private void AddItem(object o)
{
    if (this.listView.InvokeRequired)
    {
        AddItemCallback d = new AddItemCallback(AddItem);
        this.Invoke(d, new object[] { o });
    }
    else
    {
        // code that adds item to listView (in this case $o)
    }
}