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Activity.RaiseEvent(DependencyProperty, Object, EventArgs) Methode

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Definition

Namespace:
System.Workflow.ComponentModel
Assembly:
System.Workflow.ComponentModel.dll

Löst eine der angegebenen Abhängigkeitseigenschaft zugeordnete Event aus.

protected public:
 void RaiseEvent(System::Workflow::ComponentModel::DependencyProperty ^ dependencyEvent, System::Object ^ sender, EventArgs ^ e);
protected internal void RaiseEvent (System.Workflow.ComponentModel.DependencyProperty dependencyEvent, object sender, EventArgs e);
member this.RaiseEvent : System.Workflow.ComponentModel.DependencyProperty * obj * EventArgs -> unit
Protected Friend Sub RaiseEvent (dependencyEvent As DependencyProperty, sender As Object, e As EventArgs)

Parameter

dependencyEvent
DependencyProperty

Das dieser DependencyProperty zugeordnete Event.

sender
Object

Die Object-Quelle des Event.

e
EventArgs

Der mit dem EventArgs verknüpfte Event.

Beispiele

De folgende Code dient zum Aufrufen dieser Methode, mit der ein als DependencyProperty definiertes Ereignis ausgelöst wird.

Dieses Codebeispiel ist Teil des Beispiels "E-Mail-Aktivität senden" und stammt aus der Datei "SendEmailActivity.cs". Weitere Informationen finden Sie im Beispiel "E-Mail-Aktivität senden"

protected override ActivityExecutionStatus Execute(ActivityExecutionContext context)
{
    try
    {
        // Raise the SendingEmail event to the parent workflow or activity
        base.RaiseEvent(SendEmailActivity.SendingEmailEvent, this, EventArgs.Empty);

        // Send the email now
        this.SendEmailUsingSmtp();

        // Raise the SentEmail event to the parent workflow or activity
        base.RaiseEvent(SendEmailActivity.SentEmailEvent, this, EventArgs.Empty);

        // Return the closed status indicating that this activity is complete.
        return ActivityExecutionStatus.Closed;
    }
    catch
    {
        // An unhandled exception occurred.  Throw it back to the WorkflowRuntime.
        throw;
    }
}

Protected Overrides Function Execute(ByVal context As ActivityExecutionContext) As ActivityExecutionStatus
    Try
        ' Raise the SendingEmail event to the parent workflow or activity
        MyBase.RaiseEvent(SendEmailActivity.SendingEmailEvent, Me, EventArgs.Empty)

        ' Send the email now
        Me.SendEmailUsingSmtp()

        ' Raise the SentEmail event to the parent workflow or activity
        MyBase.RaiseEvent(SendEmailActivity.SentEmailEvent, Me, EventArgs.Empty)

        ' Return the closed status indicating that this activity is complete.
        Return ActivityExecutionStatus.Closed
    Catch
        ' An unhandled exception occurred.  Throw it back to the WorkflowRuntime.
        Throw
    End Try
End Function

Gilt für