I am using a class named:

public class ProcessFlowPersistenceIOParticipant : PersistenceIOParticipant

It inherits from System.Activities.Persistence.PersistenceIOParticipant in the WF4 framework.

I would like to override the BeginOnLoad(..) method.

In this override I would like to intercept the deserialization of the workflow instance and inject the business entity from the entity database into the entity workflow variable.

BeginOnLoad is fired when the workflow instance is loaded from the instance store.

via: workflowApplication.Load(workflowInstanceGuid);

I can see the workflow guid inside the readwritevalues dictionary.

Find the key in readWriteValues.Keys matching namespace 
"urn:schemas-microsoft-com:System.Activities/4.0/properties"

Then the guid is inside:

value = readWriteValues[xName];
\_workflowInstanceId = ((System.Activities.Runtime.ActivityExecutor)value).WorkflowInstanceId;

It is accessible via a debugger but not in code as ActivityExecutor is an internal class.

So is there a way to determine what workflow instance is being loaded inside BeginOnLoad?

Any tips much appreciated.

Mike

This question is similar to [Access workflow id from inside BeginOnSave](https://stackoverflow.com/questions/11051774/how-can-i-access-the-workflow-id-in-beginonsave-persistenceioparticipant).
However in the case of BeginOnLoad there is no activity execution context available to get the workflow instance guid.