arcengine 實現調用arctoolbox中的dissolove

ESRI.ArcGIS.Geoprocessor.Geoprocessor geoprocessor = new Geoprocessor();
                ESRI.ArcGIS.DataManagementTools.Dissolve d = new ESRI.ArcGIS.DataManagementTools.Dissolve();
d.in_features = dissolveTable;
d.out_feature_class = System.IO.Path.Combine(dataset.Workspace.PathName, OutputFeatureClassName);
d.dissolve_field = DissolveAttributesName;
//d.statistics_fields = "";
d.multi_part = "MULTI_PART";
geoprocessor.Execute(d, null);