\twocolitem{\helpref{wxLogGui}{wxloggui}}{Default log target for GUI programs}
\twocolitem{\helpref{wxLogNull}{wxlognull}}{Temporarily suppress message logging}
\twocolitem{\helpref{wxLogChain}{wxlogchain}}{Allows to chain two log targets}
\twocolitem{\helpref{wxLogGui}{wxloggui}}{Default log target for GUI programs}
\twocolitem{\helpref{wxLogNull}{wxlognull}}{Temporarily suppress message logging}
\twocolitem{\helpref{wxLogChain}{wxlogchain}}{Allows to chain two log targets}
\twocolitem{\helpref{wxStreamToTextRedirector}{wxstreamtotextredirector}}{Allows
to redirect output sent to {\tt cout} to a \helpref{wxTextCtrl}{wxtextctrl}}
\twocolitem{\helpref{Log functions}{logfunctions}}{Error and warning logging functions}
\twocolitem{\helpref{wxStreamToTextRedirector}{wxstreamtotextredirector}}{Allows
to redirect output sent to {\tt cout} to a \helpref{wxTextCtrl}{wxtextctrl}}
\twocolitem{\helpref{Log functions}{logfunctions}}{Error and warning logging functions}
\begin{twocollist}\itemsep=0pt
\twocolitem{\helpref{wxXmlDocument}{wxxmldocument}}{A class to parse XML files.}
\twocolitem{\helpref{wxXmlNode}{wxxmlnode}}{A class which represents XML nodes.}
\begin{twocollist}\itemsep=0pt
\twocolitem{\helpref{wxXmlDocument}{wxxmldocument}}{A class to parse XML files.}
\twocolitem{\helpref{wxXmlNode}{wxxmlnode}}{A class which represents XML nodes.}