Public Overloads Function Run( _
   ByVal input As TextReader, _
   ByVal ParamArray arguments() As String _
) As Integer

public int Run( 
   TextReader input,
   params string[] arguments
)

using (ProcessRunner runner = new ProcessRunner("cmd.exe", "/C", "sort"))
{
    List<string> lines = new List<string>();
    runner.OutputReceived += delegate(Object o, ProcessOutputEventArgs e) { lines.Add(e.Data); };
    int exitCode = runner.Run(new StringReader("Hello World\r\nWhatever!\r\nA line that goes first."));
    Assert.AreEqual(0, exitCode);
    Assert.AreEqual("A line that goes first.", lines[0]);
    Assert.AreEqual("Hello World", lines[1]);
    Assert.AreEqual("Whatever!", lines[2]);
}

Using runner As New ProcessRunner("cmd.exe", "/C", "sort")
    Dim lines As New List(Of String)()
    runner.OutputReceived += Function(o As [Object], e As ProcessOutputEventArgs) Do
        lines.Add(e.Data)
    End Function
    Dim exitCode As Integer = runner.Run(New StringReader("Hello World" & vbCr & vbLf & "Whatever!" & vbCr & vbLf & "A line that goes first."))
    Assert.AreEqual(0, exitCode)
    Assert.AreEqual("A line that goes first.", lines(0))
    Assert.AreEqual("Hello World", lines(1))
    Assert.AreEqual("Whatever!", lines(2))
End Using