\twocolwidtha{7cm}
\begin{twocollist}
\twocolitem{{\bf EVT\_SPIN(id, func)}}{Catch all scroll commands.}
-\twocolitem{{\bf EVT\_SPIN\_UP(id, func)}}{Catch up (or left) commands.}
-\twocolitem{{\bf EVT\_SPIN\_DOWN(id, func)}}{Catch down (or right) commands.}
+\twocolitem{{\bf EVT\_SPIN\_UP(id, func)}}{Catch up (or left) commands. Win32 only. }
+\twocolitem{{\bf EVT\_SPIN\_DOWN(id, func)}}{Catch down (or right) commands. Win32 only. }
\twocolitem{{\bf EVT\_COMMAND\_TOP(id, func)}}{Catch a command to put the scroll thumb at the maximum position.}
\twocolitem{{\bf EVT\_COMMAND\_SCROLL(id, func)}}{Catch all scroll commands.}
\twocolitem{{\bf EVT\_COMMAND\_TOP(id, func)}}{Catch a command to put the scroll thumb at the maximum position.}