Microsoft Windows Workflow Foundation

using System;
using System.Collections.Generic;
using System.Text;
using System.Workflow.Runtime;
using System.Threading;

namespace WorkflowInvoker
{
    class Program
    {
        private static AutoResetEvent waitHandle = new AutoResetEvent(false);
        static void Main(string[] args)
        {
            // Obtain a workflow runtime object.
            WorkflowRuntime workflowRuntime = WorkflowFactory.GetWorkflowRuntime();

            // Add the event handlers.
            workflowRuntime.WorkflowIdled += new EventHandler<WorkflowEventArgs>(workflowIdled);
            workflowRuntime.WorkflowCompleted += new EventHandler<WorkflowCompletedEventArgs>(workflowCompleted);
            workflowRuntime.WorkflowTerminated += new EventHandler<WorkflowTerminatedEventArgs>(workflowTerminated);

            // Print banner.
            Console.WriteLine("Waiting for workflow completion.");

            // Wait for the workflow to complete.
            waitHandle.WaitOne();

            // Print banner.
            Console.WriteLine("Done.");
        }

        static void workflowTerminated(object sender,
                                      WorkflowTerminatedEventArgs e)
        {
            Console.WriteLine("Workflow instance terminated, reason: '{0}'.", e.Exception.Message);
            waitHandle.Set();
        }

        static void workflowCompleted(object sender, WorkflowCompletedEventArgs e)
        {
        }

        static void workflowIdled(object sender, WorkflowEventArgs e)
        {
            Console.WriteLine("Workflow instance idled.");
        }
    }
}