public sealed class resultBookmark : NativeActivity<string>

{

public InArgument<string> bookmarkName { get; set; }

protected override bool CanInduceIdle

{

get

{ return true; }

}

protected override void Execute(NativeActivityContext context)

{

string bookmark = context.GetValue(bookmarkName);

context.CreateBookmark(bookmark, new BookmarkCallback(bookmarkCallback));

System.Console.WriteLine("创建bookmark:{0}", bookmark);

}

void bookmarkCallback(NativeActivityContext context, Bookmark bookmark, object obj)

{

if (obj != null)

{

this.Result.Set(context, obj.ToString());

}

else

{

this.Result.Set(context, string.Empty);

}

}

}

void workflowCompleted(WorkflowApplicationCompletedEventArgs e)

{

instance = null;

System.Console.WriteLine("workflowCompleted:{0}", e.CompletionState.ToString());

}

void aborted(WorkflowApplicationAbortedEventArgs e)

{

instance = null;

System.Console.WriteLine("aborted ,Reason:{0}", e.Reason.Message);

}

UnhandledExceptionAction unhandledExceptionl(WorkflowApplicationUnhandledExceptionEventArgs e)

{

System.Console.WriteLine("unhandledException:{0}", e.UnhandledException.Message);

return UnhandledExceptionAction.Cancel;

}

void workflowIdel(WorkflowApplicationIdleEventArgs e)

{

System.Console.WriteLine("Idle:{0}", e.InstanceId);

System.Console.WriteLine("--------BookmarkName---------------------------");

foreach (var item in e.Bookmarks)

{

System.Console.WriteLine("{0}", item.BookmarkName);

}

System.Console.WriteLine("================================");

}

WorkflowApplication instance = null;

private void startButton_Click(object sender, EventArgs e)

{

valueComboBox.Items.Clear();

valueComboBox.Items.Add("A");

valueComboBox.Items.Add("B");

valueComboBox.Items.Add("C");

valueComboBox.Items.Add("E");

valueComboBox.SelectedItem = "B";

instance = new WorkflowApplication(new myWorkflow());

instance.Completed = new Action<WorkflowApplicationCompletedEventArgs>(workflowCompleted);

instance.OnUnhandledException = unhandledExceptionl;

instance.Aborted = aborted;

instance.Idle = workflowIdel;

instance.Run();

}

private void submitButton_Click(object sender, EventArgs e)

{

string bookName =bookmarkTextBox.Text;

string inputValue = valueComboBox.SelectedItem.ToString();

if (instance != null)

{

if (instance.GetBookmarks().Count(p => p.BookmarkName == bookName) == 1)

{

instance.ResumeBookmark(bookName, inputValue);

}

else

{

foreach (var v in instance.GetBookmarks())

{

System.Console.WriteLine("--------请从下面选项中选择一个BookmarkName---------------------------");

System.Console.WriteLine("BookmarkName:{0}:,OwnerDisplayName:{1}", v.BookmarkName, v.OwnerDisplayName);

System.Console.WriteLine("================================");

}

}

}

else

{

MessageBox.Show("没有创建实例");

}

}