缩放到被选择的部分： ICommand Cmd = new ControlsZoomToSelectedCommandClass();

 AddItem("esriControls.ControlsZoomToSelectedCommand"); //ICommand Cmd = new ControlsZoomToSelectedCommandClass(); 

缩放到被选择的部分： ICommand Cmd = new ControlsZoomToSelectedCommandClass();

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IGeometry pGeometry = null;            string m = ArcGISPub.ArcGISToolPub.getMatch();            if (FBFExtent) //按发包方范围            {                string ZJQYDM = 承包方编码.Substring(0, 14);                  IFeatureSelection pFeatureSelection = ArcGISPub.ArcGISClassPub.getFeatureSelect(ZJQYFeatureLayer, "ZJQYDM like '" + m + ZJQYDM + m + "'");                pGeometry = ArcGISPub.ArcGISClassPub.GetFeatureLayerSelectGeometry(ZJQYFeatureLayer);                ArcGISPub.ArcGISToolPub.RunCommand("esriControls.ControlsZoomToSelectedCommand", m_application);//ControlsZoomToSelectedCommand  esriControls.ControlsZoomToSelectedCommand,{06DD3F57-CF78-41BA-83F4-D13A8679914F}                  pFeatureSelection.Clear();                  }            else            {                  IFeatureSelection pFeatureSelection = ArcGISPub.ArcGISClassPub.getFeatureSelect(DKFeatureLayer, "承包方编码 like '" + m + 承包方编码 + m + "'");                int num = pFeatureSelection.SelectionSet.Count;                if (num > 0)                {                    pGeometry = ArcGISPub.ArcGISClassPub.GetFeatureLayerSelectGeometry(DKFeatureLayer);                    ArcGISPub.ArcGISToolPub.RunCommand("esriControls.ControlsZoomToSelectedCommand", m_application);//ControlsZoomToSelectedCommand  esriControls.ControlsZoomToSelectedCommand,{06DD3F57-CF78-41BA-83F4-D13A8679914F}                    m_hookHelper.ActiveView.Refresh();                    pFeatureSelection.Clear();                }              }              IEnvelope pEnvelope = pGeometry.Envelope;            return pGeometry.Envelope;            }