the streams corresponding to the child process stdandard output, input and
error output respectively.
+\perlnote{In wxPerl this class has an additional {\tt Destroy} method,
+for explicit destruction.}
+
\wxheading{Derived from}
\helpref{wxEvtHandler}{wxevthandler}
\helpref{wxKill}{wxkill},\rtfsp
\helpref{Exec sample}{sampleexec}
-\membersection{wxProcess::Kill}\label{wxprocessexists}
+\membersection{wxProcess::Exists}\label{wxprocessexists}
\func{static bool}{Exists}{\param{int}{ pid}}