Activity.RaiseEvent(DependencyProperty, Object, EventArgs) Method

Definition

Namespace:

System.Workflow.ComponentModel

Assembly:

System.Workflow.ComponentModel.dll

Raises an Event associated with the specified dependency property.

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)

Parameters

dependencyEvent

DependencyProperty

The DependencyProperty associated with this Event.

sender

Object

The Object source of the Event.

e

EventArgs

The EventArgs associated with the Event.

Examples

The following code invokes this method to raise an event that is defined as a DependencyProperty.

This code example is part of the Send Email Activity sample and is from the SendEmailActivity.cs file. For more information, see Send Email Activity Sample

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