如何公开SharePoint Workflow实例的状态？

I have a fairly straight-forward sequential approval workflow that has an EnableModificationActivity that is in scope for just about the entirety of the workflow. My modification form is an ASPX page that gives the user the ability to enable/disable approval steps that have not occurred yet in the workflow. Since the workflow is able to be modified multiple times, I would like to the form to reflect the current state of the workflow, meaning it should show which activities are currently enabled or disabled.I have a fairly straight-forward sequential app