node listctrl var style of flags wxLC_LIST,wxLC_REPORT,wxLC_REPORT,wxLC_ICON,wxLC_SMALL_ICON,wxLC_ALIGN_TOP,wxLC_ALIGN_LEFT,wxLC_AUTOARRANGE,wxLC_USER_TEXT,wxLC_EDIT_LABELS,wxLC_NO_HEADER,wxLC_SINGLE_SEL,wxLC_SORT_ASCENDING,wxLC_SORT_DESCENDING derived from control