\helpref{GetInputStream}{wxprocessgetinputstream},
\helpref{GetOutputStream}{wxprocessgetoutputstream} and
\helpref{GetErrorStream}{wxprocessgeterrorstream} can then be used to retrieve
\helpref{GetInputStream}{wxprocessgetinputstream},
\helpref{GetOutputStream}{wxprocessgetoutputstream} and
\helpref{GetErrorStream}{wxprocessgeterrorstream} can then be used to retrieve