Create Geometric Network using ArcObject.

CREATE GEOMETRIC NETWORK USING ARCOBJECT-

 private void CreateGeometricNetwork(IFeatureWorkspace pfeatws)

        {

            IFeatureDataset pfeatDs= pfeatws.OpenFeatureDataset("Electrical");

            IFeatureDatasetName pdsname = pfeatDs as IFeatureDatasetName;

            //first create NetworkLoader Object

            INetworkLoader2 pNetLoad = new NetworkLoaderClass();

            //name of the network

            pNetLoad.NetworkName = "Electric_net";

            //set the type of Network either utility or street

            pNetLoad.NetworkType = esriNetworkType.esriNTUtilityNetwork;

            pNetLoad.FeatureDatasetName =(IDatasetName) pfeatDs.FullName;

            if (pNetLoad.CanUseFeatureClass("cable") == esriNetworkLoaderFeatureClassCheck.esriNLFCCValid)

            {

                pNetLoad.AddFeatureClass("cable", esriFeatureType.esriFTComplexEdge, null, false);

            

            }

            if (pNetLoad.CanUseFeatureClass("Distribution_Transformer") == esriNetworkLoaderFeatureClassCheck.esriNLFCCValid)

            {

                pNetLoad.AddFeatureClass("Distribution_Transformer", esriFeatureType.esriFTComplexJunction, null, false);

            }

            INetworkLoaderProps pnetloadProp=(INetworkLoaderProps)pNetLoad;

            string defField = pnetloadProp.DefaultEnabledField;

            //Ancillary role

            string defAncRole = pnetloadProp.DefaultAncillaryRoleField;

            esriNetworkLoaderFieldCheck fldChk = pNetLoad.CheckAncillaryRoleField("Distribution_Transformer", defAncRole);

            switch (fldChk)

            { 

                case esriNetworkLoaderFieldCheck.esriNLFCValid:

                case esriNetworkLoaderFieldCheck.esriNLFCNotFound:

                    pNetLoad.PutAncillaryRole("Distribution_Transformer", esriNetworkClassAncillaryRole.esriNCARSourceSink, defAncRole);

                    break;

                //default:

                //    MessageBox.Show("");

                //    break;

            

            

            }

            pNetLoad.SnapTolerance = pNetLoad.MinSnapTolerance;

            pNetLoad.LoadNetwork();

            //pNetLoad.AddWeight("weight_test", esriWeightType.esriWTDouble, 0);

        

        }