+Draw the header control button (used, for example, by
+\helpref{wxListCtrl}{wxlistctrl}). Depending on platforms the
+\arg{flags} parameter may support the \texttt{wxCONTROL\_SELECTED}
+\texttt{wxCONTROL\_DISABLED} and \texttt{wxCONTROL\_CURRENT} bits.
+The \arg{sortArrow} parameter can be one of
+\texttt{wxHDR\_SORT\_ICON\_NONE}, \texttt{wxHDR\_SORT\_ICON\_UP}, or
+\texttt{wxHDR\_SORT\_ICON\_DOWN}. Additional values controlling the
+drawing of a text or bitmap label can be passed in \arg{params}.