\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}
\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}}