public void setOpen(boolean isOpen) {

        m_opener.setStyleOpen(isOpen);
        m_children.setVisible(isOpen);
        m_isOpen = isOpen;
    }
public void setOpen ( boolean isOpen ) { m_opener . setStyleOpen ( isOpen ) ; m_children . setVisible ( isOpen ) ; m_isOpen = isOpen ; }
Opens / closes the list of children.<p<

@param isOpen true if the children should be opened, false if they should be closed