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