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Код
public ESRI.ArcGIS.Geodatabase.IFeatureCursor GetAllFeaturesFromPointSearchInGeoFeatureLayer(System.Double searchTolerance, ESRI.ArcGIS.Geometry.IPoint point, ESRI.ArcGIS.Carto.IGeoFeatureLayer geoFeatureLayer, ESRI.ArcGIS.Carto.IActiveView activeView)
    {
 
        if (searchTolerance < 0 || point == null || geoFeatureLayer == null || activeView == null)
        {
            return null;
        }
        ESRI.ArcGIS.Carto.IMap map = activeView.FocusMap;
 
        // Expand the points envelope to give better search results    
        ESRI.ArcGIS.Geometry.IEnvelope envelope = point.Envelope;
        envelope.Expand(searchTolerance, searchTolerance, false);
 
        ESRI.ArcGIS.Geodatabase.IFeatureClass featureClass = geoFeatureLayer.FeatureClass;
        System.String shapeFieldName = featureClass.ShapeFieldName;
 
        // Create a new spatial filter and use the new envelope as the geometry    
        ESRI.ArcGIS.Geodatabase.ISpatialFilter spatialFilter = new ESRI.ArcGIS.Geodatabase.SpatialFilterClass();
        spatialFilter.Geometry = envelope;
        spatialFilter.SpatialRel = ESRI.ArcGIS.Geodatabase.esriSpatialRelEnum.esriSpatialRelEnvelopeIntersects;
        spatialFilter.set_OutputSpatialReference(shapeFieldName, map.SpatialReference);
        spatialFilter.GeometryField = shapeFieldName;
 
        // Do the search
        ESRI.ArcGIS.Geodatabase.IFeatureCursor featureCursor = featureClass.Search(spatialFilter, false);
 
        return featureCursor;
    }