\twocolwidtha{6cm}
\begin{twocollist}\itemsep=0pt
-\twocolitem{\helpref{wxClient}{wxddeclient}}{Represents a client}
-\twocolitem{\helpref{wxConnection}{wxddeconnection}}{Represents the connection between a client and a server}
-\twocolitem{\helpref{wxServer}{wxddeserver}}{Represents a server}
+\twocolitem{\helpref{wxClient}{wxclient}, \helpref{wxDDEClient}{wxddeclient}}{Represents a client}
+\twocolitem{\helpref{wxConnection}{wxconnection}, \helpref{wxDDEConnection}{wxddeconnection}}{Represents the connection between a client and a server}
+\twocolitem{\helpref{wxServer}{wxserver}, \helpref{wxDDEServer}{wxddeserver}}{Represents a server}
%\twocolitem{\helpref{wxSocketHandler}{wxsockethandler}}{Represents a socket handler}
\end{twocollist}
\twocolitem{\helpref{wxFileOutputStream}{wxfileoutputstream}}{File output stream class}
\twocolitem{\helpref{wxFFileInputStream}{wxffileinputstream}}{Another file input stream class}
\twocolitem{\helpref{wxFFileOutputStream}{wxffileoutputstream}}{Another file output stream class}
+\twocolitem{\helpref{wxStringInputStream}{wxstringinputstream}}{String input stream class}
+\twocolitem{\helpref{wxStringOutputStream}{wxstringoutputstream}}{String output stream class}
\twocolitem{\helpref{wxZlibInputStream}{wxzlibinputstream}}{Zlib (compression) input stream class}
\twocolitem{\helpref{wxZlibOutputStream}{wxzliboutputstream}}{Zlib (compression) output stream class}
\twocolitem{\helpref{wxZipInputStream}{wxzipinputstream}}{Input stream for reading from ZIP archives}
\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{wxLayoutAlgorithm}{wxlayoutalgorithm}}{An alternative window layout facility}
\twocolitem{\helpref{wxProcess}{wxprocess}}{Process class}
\twocolitem{\helpref{wxTimer}{wxtimer}}{Timer class}