\twocolitem{\windowstyle{wxBU\_BOTTOM}}{Aligns the bitmap label to the bottom of the button. WIN32 only.}
\end{twocollist}
+Note that \windowstyle{wxBU\_EXACTFIT} supported by
+\helpref{wxButton}{wxbutton} is \emph{not} used by this class as bitmap buttons
+don't have any minimal standard size by default.
+
See also \helpref{window styles overview}{windowstyles}.
\wxheading{Event handling}