WorkflowApplication.GetBookmarks Yöntem

public:
 System::Collections::ObjectModel::ReadOnlyCollection<System::Activities::Hosting::BookmarkInfo ^> ^ GetBookmarks();

public System.Collections.ObjectModel.ReadOnlyCollection<System.Activities.Hosting.BookmarkInfo> GetBookmarks ();

member this.GetBookmarks : unit -> System.Collections.ObjectModel.ReadOnlyCollection<System.Activities.Hosting.BookmarkInfo>

Public Function GetBookmarks () As ReadOnlyCollection(Of BookmarkInfo)

Döndürülenler

İş akışı örneği için yer işaretlerinden oluşan salt okunur bir koleksiyon.

Örnekler

Aşağıdaki örnek, oluşturan bir etkinliği kullanan bir ReadLine iş akışı oluşturur Bookmark. İş akışı başlatılır ve iş akışı oluşturulduktan Bookmark ve boşta GetBookmarks kaldığında çağrılır. İş akışı tamamlandığında konsolda aşağıdaki çıkış görüntülenir.

What is your name?   
BookmarkName: UserName - OwnerDisplayName: ReadLine  
Steve  
Hello, Steve  

public sealed class ReadLine : NativeActivity<string>
{
    [RequiredArgument]
    public InArgument<string> BookmarkName { get; set; }

    protected override void Execute(NativeActivityContext context)
    {
        // Create a Bookmark and wait for it to be resumed.
        context.CreateBookmark(BookmarkName.Get(context),
            new BookmarkCallback(OnResumeBookmark));
    }

    // NativeActivity derived activities that do asynchronous operations by calling
    // one of the CreateBookmark overloads defined on System.Activities.NativeActivityContext
    // must override the CanInduceIdle property and return true.
    protected override bool CanInduceIdle
    {
        get { return true; }
    }

    public void OnResumeBookmark(NativeActivityContext context, Bookmark bookmark, object obj)
    {
        // When the Bookmark is resumed, assign its value to
        // the Result argument.
        Result.Set(context, (string)obj);
    }

Variable<string> name = new Variable<string>();

Activity wf = new Sequence
{
    Variables = { name },
    Activities =
     {
         new WriteLine
         {
             Text = "What is your name?"
         },
         new ReadLine
         {
             BookmarkName = "UserName",
             Result = new OutArgument<string>(name)
         },
         new WriteLine
         {
             Text = new InArgument<string>((env) =>
                 ("Hello, " + name.Get(env)))
         }
     }
};

// Create a WorkflowApplication instance.
WorkflowApplication wfApp = new WorkflowApplication(wf);

// Workflow lifecycle events omitted except idle.
AutoResetEvent idleEvent = new AutoResetEvent(false);

wfApp.Idle = delegate(WorkflowApplicationIdleEventArgs e)
{
    // You can also inspect the bookmarks from the Idle handler
    // using e.Bookmarks

    idleEvent.Set();
};

// Run the workflow.
wfApp.Run();

// Wait for the workflow to go idle and give it a chance
// to create the Bookmark.
idleEvent.WaitOne();

// Inspect the bookmarks
foreach (BookmarkInfo info in wfApp.GetBookmarks())
{
    Console.WriteLine("BookmarkName: {0} - OwnerDisplayName: {1}",
        info.BookmarkName, info.OwnerDisplayName);
}

// Gather the user's input and resume the bookmark.
wfApp.ResumeBookmark("UserName", Console.ReadLine());

Açıklamalar

Bu işlem 30 saniye içinde tamamlanmazsa, bir TimeoutException oluşturulur.

public:
 System::Collections::ObjectModel::ReadOnlyCollection<System::Activities::Hosting::BookmarkInfo ^> ^ GetBookmarks(TimeSpan timeout);

public System.Collections.ObjectModel.ReadOnlyCollection<System.Activities.Hosting.BookmarkInfo> GetBookmarks (TimeSpan timeout);

member this.GetBookmarks : TimeSpan -> System.Collections.ObjectModel.ReadOnlyCollection<System.Activities.Hosting.BookmarkInfo>

Public Function GetBookmarks (timeout As TimeSpan) As ReadOnlyCollection(Of BookmarkInfo)

Parametreler

Döndürülenler

İş akışı örneği için yer işaretlerinden oluşan salt okunur bir koleksiyon.

Örnekler

Aşağıdaki örnek, oluşturan bir etkinliği kullanan bir ReadLine iş akışı oluşturur Bookmark. İş akışı başlatılır ve iş akışı oluşturulduktan Bookmark ve boşta GetBookmarks kaldığında çağrılır. İş akışı tamamlandığında konsolda aşağıdaki çıkış görüntülenir.

What is your name?   
BookmarkName: UserName - OwnerDisplayName: ReadLine  
Steve  
Hello, Steve  

public sealed class ReadLine : NativeActivity<string>
{
    [RequiredArgument]
    public InArgument<string> BookmarkName { get; set; }

    protected override void Execute(NativeActivityContext context)
    {
        // Create a Bookmark and wait for it to be resumed.
        context.CreateBookmark(BookmarkName.Get(context),
            new BookmarkCallback(OnResumeBookmark));
    }

    // NativeActivity derived activities that do asynchronous operations by calling
    // one of the CreateBookmark overloads defined on System.Activities.NativeActivityContext
    // must override the CanInduceIdle property and return true.
    protected override bool CanInduceIdle
    {
        get { return true; }
    }

    public void OnResumeBookmark(NativeActivityContext context, Bookmark bookmark, object obj)
    {
        // When the Bookmark is resumed, assign its value to
        // the Result argument.
        Result.Set(context, (string)obj);
    }

Variable<string> name = new Variable<string>();

Activity wf = new Sequence
{
    Variables = { name },
    Activities =
     {
         new WriteLine
         {
             Text = "What is your name?"
         },
         new ReadLine
         {
             BookmarkName = "UserName",
             Result = new OutArgument<string>(name)
         },
         new WriteLine
         {
             Text = new InArgument<string>((env) =>
                 ("Hello, " + name.Get(env)))
         }
     }
};

// Create a WorkflowApplication instance.
WorkflowApplication wfApp = new WorkflowApplication(wf);

// Workflow lifecycle events omitted except idle.
AutoResetEvent idleEvent = new AutoResetEvent(false);

wfApp.Idle = delegate(WorkflowApplicationIdleEventArgs e)
{
    // You can also inspect the bookmarks from the Idle handler
    // using e.Bookmarks

    idleEvent.Set();
};

// Run the workflow.
wfApp.Run();

// Wait for the workflow to go idle and give it a chance
// to create the Bookmark.
idleEvent.WaitOne();

// Inspect the bookmarks
foreach (BookmarkInfo info in wfApp.GetBookmarks())
{
    Console.WriteLine("BookmarkName: {0} - OwnerDisplayName: {1}",
        info.BookmarkName, info.OwnerDisplayName);
}

// Gather the user's input and resume the bookmark.
wfApp.ResumeBookmark("UserName", Console.ReadLine());