BeforeSend Event
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SendActivity.BeforeSend Event

Occurs before the SendActivity activity sends the message to the service.

Namespace:  System.Workflow.Activities
Assembly:  System.WorkflowServices (in System.WorkflowServices.dll)

public event EventHandler<SendActivityEventArgs> BeforeSend

This event handler associated with this event can be used to set the parameter values for the service operation being invoked.


The context of a SendActivity cannot be set in this event handler.

The following example shows how to use the BeforeSend event. This example was adapted from the Conversations SDK sample.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5

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