C#

public void StartProcess()
{
    Process proc = new Process....
    // do other appropriate initialization

    proc.EnableRaisingEvents = true;
    proc.Exited += new EventHandler(process_Exited);
    proc.Start();
}

private void  process_Exited(object sender, EventArgs e)
{
    Process process = sender as Process;
    // you can check the Process.ExitCode if appropriate
}

class YourClass
{
......
}

.....

<code>public void YourMethod(Type type)
{
       // do your stuffs here..
       // you can use Reflection to create the instance.
}

public void AnotherMethod()
{
    YourMethod(typeof(YourClass));
}
</code>