VisibleRect
return VisibleRect();
BRect VisibleRect() const;
return fScrollTarget->VisibleRect();
BRect VisibleRect() const;
if (fOutlineView->VisibleRect().Intersects(updateRect))
BRect outlineInvalid(fOutlineView->VisibleRect());
fOutlineView->VisibleRect().bottom));
BRect slaveSize = fOutlineView->VisibleRect();
const BRect& VisibleRect() const;