ListBoxのエラーについて

[dankom]

c-sさんが言ってる事はこーゆーことだと思います。
↓

{curl 7.0 applet}

{install-standard-look-and-feel}

{define-class public MyStandardListBoxUI {inherits StandardListBoxUI}
{method protected open {handle-listbox-pointer-event eointerEvent}:void
{try
{super.handle-listbox-pointer-event e}
catch e:NullDereferenceException do
}
}
}

{value
let lb:ListBox =
{ListBox
height = 0.7in,
"red", "green", "blue"
}
set lb.ui-object = {MyStandardListBoxUI}
lb
}