\wxheading{Derived from}
-\helpref{wxInputStream}{wxinputstream}
+\helpref{wxInputStream}{wxinputstream}\\
+\helpref{wxStreamBase}{wxstreambase}
\wxheading{Include files}
\wxheading{Derived from}
-\helpref{wxOutputStream}{wxoutputstream}
+\helpref{wxOutputStream}{wxoutputstream}\\
+\helpref{wxStreamBase}{wxstreambase}
\wxheading{Include files}