NODEFAULT does not help the situation. It works correctly every few clicks for me.

>>
>>No, just the item I clicked. I'm trying to decide, which listbox property gives me the list index of clicked option to do .selected(i)= not .selected(i)
>
>I understand your question now. I just tried this in click() method, but it is quirky:
>

with this
	.selected(.listIndex) = !(.selected(.listIndex))
endwith
<b>nodefault</b>