Geoprocessor gp = new Geoprocessor();            gp.OverwriteOutput = true;            IFeatureLayer inputfeaturelayer = pMap.get_Layer(0) as IFeatureLayer;            IFeatureLayer cliplayer = pMap.get_Layer(1) as IFeatureLayer;            IFeatureClass inputfeatureclass = inputfeaturelayer.FeatureClass;            IFeatureClass clipfeatureclass = cliplayer.FeatureClass;            IDataset dataset = inputfeatureclass as IDataset;            IWorkspace workspace = dataset.Workspace;            IFeatureWorkspace fworkspace = workspace as IFeatureWorkspace;            IFields outfields = inputfeatureclass.Fields;            IFeatureClass outfeatureclass = fworkspace.CreateFeatureClass("Clip_result", outfields, null, null, esriFeatureType.esriFTSimple, "Shape", "");            ESRI.ArcGIS.AnalysisTools.Clip clipTool =                new ESRI.ArcGIS.AnalysisTools.Clip(inputfeatureclass, clipfeatureclass, outfeatureclass);            gp.Execute(clipTool, null);            IFeatureLayer outlayer = new FeatureLayerClass();            outlayer.FeatureClass = outfeatureclass;            outlayer.Name = outfeatureclass.AliasName;            pMap.AddLayer((ILayer)outlayer);            axMapControlMain.ActiveView.Refresh();