\twocolitem{\helpref{wxScreenDC}{wxscreendc}}{A device context to access the entire screen}
\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{wxMetafileDC}{wxmetafiledc}}{A device context for drawing into metafiles}
\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{wxDDEClient}{wxddeclient}}{Represents a client}
\twocolitem{\helpref{wxDDEConnection}{wxddeconnection}}{Represents the connection between a client and a server}
\twocolitem{\helpref{wxDDEServer}{wxddeserver}}{Represents a server}
+\twocolitem{\helpref{wxTCPClient}{wxtcpclient}}{Represents a client}
+\twocolitem{\helpref{wxTCPConnection}{wxtcpconnection}}{Represents the connection between a client and a server}
+\twocolitem{\helpref{wxTCPServer}{wxtcpserver}}{Represents a server}
\twocolitem{\helpref{wxSocketClient}{wxsocketclient}}{Represents a socket client}
\twocolitem{\helpref{wxSocketHandler}{wxsockethandler}}{Represents a socket handler}
\twocolitem{\helpref{wxSocketServer}{wxsocketserver}}{Represents a socket server}