\twocolitem{\helpref{wxRealPoint}{wxrealpoint}}{Representation of a point using floating point numbers}
\twocolitem{\helpref{wxSize}{wxsize}}{Representation of a size}
\twocolitem{\helpref{wxTimeSpan}{wxtimespan}}{A time interval.}
+\twocolitem{\helpref{wxURI}{wxuri}}{Represents a Uniform Resource Identifier}
\twocolitem{\helpref{wxVariant}{wxvariant}}{A class for storing arbitrary types that may change at run-time}
\end{twocollist}
\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{wxFFile}{wxffile}}{Another low-level file input/output class.}
\twocolitem{\helpref{wxTempFile}{wxtempfile}}{Class to safely replace an existing file}
\twocolitem{\helpref{wxTextFile}{wxtextfile}}{Class for working with text files as with arrays of lines}
+\twocolitem{\helpref{wxStandardPaths}{wxstandardpaths}}{Paths for standard directories}
\end{twocollist}
{\large {\bf Stream classes}}
\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}