System.Object
   ESRI.ArcGIS.Client.BACore.Client.AnalysisParameters
      ESRI.ArcGIS.Client.BACore.Client.BATaskParameters
         ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.CreateStdGeographiesParameters
   ESRI.ArcGIS.Client.BACore.Client.BAUtilityParameters
      ESRI.ArcGIS.Client.BACore.Client.BABaseParameters
         ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.ReturnStdGeographyParameters
         ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.StdGeographiesByAttributesParameters
         ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.StdGeographiesFromExtentParameters
         ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.StdGeographiesFromTreeParameters
         ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.StdGeographiesListParameters
   ESRI.ArcGIS.Client.BACore.ThematicMapping.TMLayer
      ESRI.ArcGIS.Client.GraphicsLayer
         ESRI.ArcGIS.Client.Layer
            System.Windows.DependencyObject
               ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.ThematicMappingLayer
   ESRI.ArcGIS.Client.BAServer.Tasks.BAServerTask<TResult>
      ESRI.ArcGIS.Client.BACore.Client.BATask<TResult,TEventArgs>
         ESRI.ArcGIS.Client.BACore.Client.AbstractTask
            ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.CreateStdGeographiesTask
            ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.ReturnStdGeographyTask
            ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.StdGeographiesByAttributesTask
            ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.StdGeographiesFromExtentTask
            ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.StdGeographiesFromTreeTask
            ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.StdGeographiesListTask
            ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.StdGeographiesTreeTask
   ESRI.ArcGIS.Client.BAServer.Tasks.StdGeographies.ThematicMappingQueryTask

Reference

ESRI.ArcGIS.Client.BAServer Assembly