Scrolling Text Boxes

I have a problem with text boxes that I can't seem to rectify by means of documentation, I cannot figure out how to make them scroll. The particular instance I need to make them scroll in is when new text is added and I wish the box to be set to the _bottom_ of the text not the top (such as for logging and IM windows).

Thanks a lot, ~SPH

EDIT: Knowing this for list boxes would also be great!

Use EM_SETSEL to place the cursor where you want (like at the end).
Use EM_SCROLLCARET to scroll the caret into view.

Read about list boxes and their supporting messages here.

gg