\twocolitem{\helpref{wxToolBar}{wxtoolbar}}{Toolbar class}
%\twocolitem{\helpref{wxTabbedPanel}{wxtabbedpanel}}{Tabbed panel (to be replaced with wxNotebook)}
\twocolitem{\helpref{wxNotebook}{wxnotebook}}{Notebook class}
+\twocolitem{\helpref{wxListbook}{wxlistbook}}{Similar to notebook but using list control}
\twocolitem{\helpref{wxPlotWindow}{wxplotwindow}}{A class to display data.}
\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{wxSizer}{wxsizer}}{Abstract base class}
\twocolitem{\helpref{wxGridSizer}{wxgridsizer}}{A sizer for laying out windows in a grid with all fields having the same size}
\twocolitem{\helpref{wxFlexGridSizer}{wxflexgridsizer}}{A sizer for laying out windows in a flexible grid}
+\twocolitem{\helpref{wxGridBagSizer}{wxgridbagsizer}}{Another grid sizer that lets you specify the cell an item is in, and items can span rows and/or columns.}
\twocolitem{\helpref{wxBoxSizer}{wxboxsizer}}{A sizer for laying out windows in a row or column}
\twocolitem{\helpref{wxStaticBoxSizer}{wxstaticboxsizer}}{Same as wxBoxSizer, but with a surrounding static box}
\twocolitem{\helpref{wxNotebookSizer}{wxnotebooksizer}}{Sizer to use with the wxNotebook control}
\twocolitem{\helpref{wxDC}{wxdc}}{The device context base class}
\twocolitem{\helpref{wxMemoryDC}{wxmemorydc}}{A device context for drawing into bitmaps}
\twocolitem{\helpref{wxMetafileDC}{wxmetafiledc}}{A device context for drawing into metafiles}
+\twocolitem{\helpref{wxMirrorDC}{wxmirrordc}}{A proxy device context allowing for simple mirroring.}
\twocolitem{\helpref{wxPostScriptDC}{wxpostscriptdc}}{A device context for drawing into PostScript files}
\twocolitem{\helpref{wxPrinterDC}{wxprinterdc}}{A device context for drawing to printers}
\end{twocollist}
\twocolitem{\helpref{wxPenList}{wxpenlist}}{The list of previously-created pens}
\twocolitem{\helpref{wxPalette}{wxpalette}}{Represents a table of indices into RGB values}
\twocolitem{\helpref{wxRegion}{wxregion}}{Represents a simple or complex region on a window or device context}
+\twocolitem{\helpref{wxRendererNative}{wxrenderernative}}{Abstracts high-level drawing primitives}
\end{twocollist}
{\large {\bf Events}}
\begin{twocollist}\itemsep=0pt
\twocolitem{\helpref{wxDialUpManager}{wxdialupmanager}}{Provides functions to check the status of network connection and to establish one}
\twocolitem{\helpref{wxIPV4address}{wxipv4address}}{Represents an Internet address}
+\twocolitem{\helpref{wxIPaddress}{wxipaddress}}{Represents an Internet address}
\twocolitem{\helpref{wxSocketBase}{wxsocketbase}}{Represents a socket base object}
\twocolitem{\helpref{wxSocketClient}{wxsocketclient}}{Represents a socket client}
\twocolitem{\helpref{wxSocketServer}{wxsocketserver}}{Represents a socket server}
\twocolwidtha{6cm}
\begin{twocollist}\itemsep=0pt
\twocolitem{\helpref{wxThread}{wxthread}}{Thread class}
+\twocolitem{\helpref{wxThreadHelper}{wxthreadhelper}}{Manages background threads easily}
\twocolitem{\helpref{wxMutex}{wxmutex}}{Mutex class}
\twocolitem{\helpref{wxMutexLocker}{wxmutexlocker}}{Mutex locker utility class}
\twocolitem{\helpref{wxCriticalSection}{wxcriticalsection}}{Critical section class}