WorkflowRuntime.WorkflowCreated Olay

Tanım

Ad Alanı:

System.Workflow.Runtime

Bütünleştirilmiş Kod:

System.Workflow.Runtime.dll

bir iş akışı örneği oluşturulduğunda gerçekleşir.

public:
 event EventHandler<System::Workflow::Runtime::WorkflowEventArgs ^> ^ WorkflowCreated;

public event EventHandler<System.Workflow.Runtime.WorkflowEventArgs> WorkflowCreated;

member this.WorkflowCreated : EventHandler<System.Workflow.Runtime.WorkflowEventArgs> 

Public Event WorkflowCreated As EventHandler(Of WorkflowEventArgs) 

Olay Türü

EventHandler<WorkflowEventArgs>

Örnekler

Aşağıdaki kod örneği, bir iş akışı konağından işlevselliğin nasıl kullanılacağını WorkflowRuntime gösterir. Kod, adlı bir yöntem OnWorkflowCreatedolan olay işleyicisi ile ilişkilendirirWorkflowCreated.

Bu kod örneği , Özel Kalıcılık Hizmeti Örneği'nin bir parçasıdır.

static void Main()
{
    using (WorkflowRuntime workflowRuntime = new WorkflowRuntime())
    {
        try
        {
            // engine will unload workflow instance when it is idle
            workflowRuntime.AddService(new FilePersistenceService(true));

            workflowRuntime.WorkflowCreated += OnWorkflowCreated;
            workflowRuntime.WorkflowCompleted += OnWorkflowCompleted;
            workflowRuntime.WorkflowIdled += OnWorkflowIdle;
            workflowRuntime.WorkflowUnloaded += OnWorkflowUnload;
            workflowRuntime.WorkflowLoaded += OnWorkflowLoad;
            workflowRuntime.WorkflowTerminated += OnWorkflowTerminated;
            workflowRuntime.ServicesExceptionNotHandled += OnExceptionNotHandled;

            workflowRuntime.CreateWorkflow(typeof(PersistenceServiceWorkflow)).Start();

            waitHandle.WaitOne();
        }
        catch (Exception e)
        {
            Console.WriteLine("Exception \n\t Source: {0} \n\t Message: {1}", e.Source, e.Message);
        }
        finally
        {
            workflowRuntime.StopRuntime();
            Console.WriteLine("Workflow runtime stopped, program exiting... \n");
        }
    }
}

Shared Sub Main()

    Using currentWorkflowRuntime As New WorkflowRuntime()
        Try

            ' engine will unload workflow instance when it is idle
            currentWorkflowRuntime.AddService(New FilePersistenceService(True))

            AddHandler currentWorkflowRuntime.WorkflowCreated, AddressOf OnWorkflowCreated
            AddHandler currentWorkflowRuntime.WorkflowCompleted, AddressOf OnWorkflowCompleted
            AddHandler currentWorkflowRuntime.WorkflowIdled, AddressOf OnWorkflowIdled
            AddHandler currentWorkflowRuntime.WorkflowUnloaded, AddressOf OnWorkflowUnloaded
            AddHandler currentWorkflowRuntime.WorkflowLoaded, AddressOf OnWorkflowLoaded
            AddHandler currentWorkflowRuntime.WorkflowTerminated, AddressOf OnWorkflowTerminated
            AddHandler currentWorkflowRuntime.ServicesExceptionNotHandled, AddressOf OnExceptionNotHandled

            currentWorkflowRuntime.CreateWorkflow(GetType(PersistenceServiceWorkflow)).Start()

            waitHandle.WaitOne()

        Catch e As Exception
            Console.WriteLine("Exception \n\t Source: 0} \n\t Message: 1}", e.Source, e.Message)
        Finally
            currentWorkflowRuntime.StopRuntime()
            Console.WriteLine("Workflow runtime stopped, program exiting... \n")
        End Try
    End Using
End Sub

Açıklamalar

İş akışı çalışma zamanı altyapısı, iş akışı örneği tamamen oluşturulduğunda ancak etkinlikler işlenmeden önce olayı tetikler WorkflowCreated . Bu olay için, gönderen öğesini içerir WorkflowRuntime ve WorkflowEventArgs olayla ilişkili öğesini WorkflowInstance içerir.

Olayları işleme hakkında daha fazla bilgi için bkz. Olayları işleme ve oluşturma.