extension-based (see wxMimeTypesManager) or extracted from
HTTP protocol Content-Type header.
+\membersection{wxFSFile::GetModificationTime}\label{wxfsfilegetmodificationtime}
+
+\constfunc{wxDateTime}{GetModificationTime}{\void}
+
+Returns time when this file was modified.
+
\membersection{wxFSFile::GetStream}\label{wxfsfilegetstream}
\constfunc{wxInputStream*}{GetStream}{\void}