SPWorkflowAssignedToFilter Enumeration
Provides values that enable the filtering of workflows or workflow task collections based on who is assigned to those workflows or tasks, or the workflow state.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online
Use the SPWorkflowFilter class to apply filter criteria to a workflow or workflow task collection, such as who the workflow is assigned to, and the workflow state.