Represents the initial properties of the workflow instance as it starts, such as the user who added the workflow, and the list and item to which the workflow was added.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
When a new workflow instance is initiated, Windows SharePoint Services passes a SPWorkflowActivationProperties object to the OnWorkflowActivated workflow event activity. You can access this object through the WorkflowProperties property of that class.
For more information, see Workflow Initiation in Windows SharePoint Services.