Shoutbox

I want to create a PlusWnd which is always opposite with a ChatWnd, means their position can be adjusted at the same time (likes the playlist panel of winamp).

I've considered using setParent to make the PlusWnd be a child of the ChatWnd. But the PlusWnd even can't be shown if it is outside the border of the ChatWnd. How can I adjust the border of the ChatWnd and solve the problem?

Thank you very much!!