\twocolitem{\helpref{wxTimerEvent}{wxtimerevent}}{A timer expiration event}
\twocolitem{\helpref{wxTreeEvent}{wxtreeevent}}{A tree control event}
\twocolitem{\helpref{wxUpdateUIEvent}{wxupdateuievent}}{A user interface update event}
+\twocolitem{\helpref{wxWindowCreateEvent}{wxwindowcreateevent}}{A window creation event}
+\twocolitem{\helpref{wxWindowDestroyEvent}{wxwindowdestroyevent}}{A window destruction event}
\twocolitem{\helpref{wxWizardEvent}{wxwizardevent}}{A wizard event}
\end{twocollist}
\twocolitem{\helpref{wxCmdLineParser}{wxcmdlineparser}}{Command line parser class}
\twocolitem{\helpref{wxConfig}{wxconfigbase}}{Classes for configuration reading/writing (using either INI files or registry)}
\twocolitem{\helpref{wxDllLoader}{wxdllloader}}{Class to work with shared libraries.}
-\twocolitem{\helpref{wxGLCanvas}{wxglcanvas}}{Canvas that you can render opengl calls to.}
-\twocolitem{\helpref{wxGLContext}{wxglcontext}}{Class to ease sharing of opengl data resources.}
+\twocolitem{\helpref{wxGLCanvas}{wxglcanvas}}{Canvas that you can render OpenGL calls to.}
+\twocolitem{\helpref{wxGLContext}{wxglcontext}}{Class to ease sharing of OpenGL data resources.}
\twocolitem{\helpref{wxLayoutAlgorithm}{wxlayoutalgorithm}}{An alternative window layout facility}
\twocolitem{\helpref{wxProcess}{wxprocess}}{Process class}
\twocolitem{\helpref{wxTimer}{wxtimer}}{Timer class}