private void OnGraphSaved(object sender, EventArgs e)
        {
            if (null == this.runner) // Running in headless mode.
            {
                return;
            }
            GraphController controller = sender as GraphController;

            if (null != controller)
            {
                LiveRunner liveRunner = runner as LiveRunner;
                //Update the options with new path.
                liveRunner.SetOptions(LiveRunnerFactory.CreateLiveRunnerOptions(controller));
                GraphUtilities.SetRootModulePath(controller.FilePath);
            }
        }