\twocolitem{\helpref{wxNotebook}{wxnotebook}}{Notebook class}
\twocolitem{\helpref{wxListbook}{wxlistbook}}{Similar to notebook but using list control}
\twocolitem{\helpref{wxChoicebook}{wxchoicebook}}{Similar to notebook but using choice control}
+\twocolitem{\helpref{wxTreebook}{wxtreebook}}{Similar to notebook but using tree control}
\twocolitem{\helpref{wxSashWindow}{wxsashwindow}}{Window with four optional sashes that can be dragged}
\twocolitem{\helpref{wxSashLayoutWindow}{wxsashlayoutwindow}}{Window that can be involved in an IDE-like layout arrangement}
\twocolitem{\helpref{wxVScrolledWindow}{wxvscrolledwindow}}{As wxScrolledWindow but supports lines of variable height}
\twocolitem{\helpref{wxFontDialog}{wxfontdialog}}{Font chooser dialog}
\twocolitem{\helpref{wxPageSetupDialog}{wxpagesetupdialog}}{Standard page setup dialog}
\twocolitem{\helpref{wxPrintDialog}{wxprintdialog}}{Standard print dialog}
+\twocolitem{\helpref{wxProgressDialog}{wxprogressdialog}}{Progress indication dialog}
\twocolitem{\helpref{wxMessageDialog}{wxmessagedialog}}{Simple message box dialog}
\twocolitem{\helpref{wxWizard}{wxwizard}}{A wizard dialog.}
\end{twocollist}
\twocolitem{\helpref{wxCloseEvent}{wxcloseevent}}{A close window or end session event}
\twocolitem{\helpref{wxCommandEvent}{wxcommandevent}}{An event from a variety of standard controls}
\twocolitem{\helpref{wxContextMenuEvent}{wxcontextmenuevent}}{An event generated when the user issues a context menu command}
+\twocolitem{\helpref{wxDateEvent}{wxdateevent}}{Used with \helpref{wxDatePickerCtrl}{wxdatepickerctrl}}
\twocolitem{\helpref{wxDialUpEvent}{wxdialupevent}}{Event send by \helpref{wxDialUpManager}{wxdialupmanager}}
\twocolitem{\helpref{wxDropFilesEvent}{wxdropfilesevent}}{A drop files event}
\twocolitem{\helpref{wxEraseEvent}{wxeraseevent}}{An erase background event}
\twocolitem{\helpref{wxSizeEvent}{wxsizeevent}}{A size event}
\twocolitem{\helpref{wxSocketEvent}{wxsocketevent}}{A socket event}
\twocolitem{\helpref{wxSpinEvent}{wxspinevent}}{An event from \helpref{wxSpinButton}{wxspinbutton}}
+\twocolitem{\helpref{wxSplitterEvent}{wxsplitterevent}}{An event from \helpref{wxSplitterWindow}{wxsplitterwindow}}
\twocolitem{\helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent}}{A system colour change event}
\twocolitem{\helpref{wxTimerEvent}{wxtimerevent}}{A timer expiration event}
+\twocolitem{\helpref{wxTreebookEvent}{wxtreebookevent}}{A treebook control 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{wxDateTime}{wxdatetime}}{A class for date/time manipulations}
%\twocolitem{\helpref{wxExpr}{wxexpr}}{A class for flexible I/O}
%\twocolitem{\helpref{wxExprDatabase}{wxexprdatabase}}{A class for flexible I/O}
+\twocolitem{\helpref{wxArray}{wxarray}}{A dynamic array implementation}
+\twocolitem{\helpref{wxArrayString}{wxarraystring}}{An efficient container for storing \helpref{wxString}{wxstring} objects}
\twocolitem{\helpref{wxHashMap}{wxhashmap}}{A simple hash map implementation}
\twocolitem{\helpref{wxHashSet}{wxhashset}}{A simple hash set implementation}
\twocolitem{\helpref{wxHashTable}{wxhashtable}}{A simple hash table implementation (deprecated, use wxHashMap)}
\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}