ssis_zip_step2.cs

try
{
    // Create new ProcessStartInfo with vars from above
    ProcessStartInfo ps = new ProcessStartInfo();
    ps.FileName = exeName;
    ps.Arguments = args;
    ps.UseShellExecute = false;
    ps.RedirectStandardError = true;
    ps.RedirectStandardOutput = true;
    ps.CreateNoWindow = true;

    Process p = Process.Start(ps);

    // Capture StdOut and StdErr into variables
    Dts.Variables["vStdOutput"].Value = p.StandardOutput.ReadToEnd();
    Dts.Variables["vStdError"].Value = p.StandardError.ReadToEnd();

    // Wait for exit
    p.WaitForExit();

    // Capture the exit code (0 = success)
    Dts.Variables["vExitCode"].Value = p.ExitCode;

    // Write standard output to log
    bool fireAgain = true;
    Dts.Events.FireInformation(0, "7Zip completion", Dts.Variables["vStdOutput"].Value.ToString(), string.Empty, 0, ref fireAgain);
}
catch (Exception ex)
{
    exceptionTxt = ex.Message;
}