public static bool OverlayOperate(DotSpatial.Data.IFeatureSet baseFeatureSet, DotSpatial.Data.IFeatureSet overlayFeatureSet, ref OSGeo.OGR.Layer resultLayer, OverlayType type, Ogr.GDALProgressFuncDelegate callback) { OSGeo.OGR.Layer baseLayer = VectorConverter.DS2OrgLayer(baseFeatureSet); OSGeo.OGR.Layer overlayLayer = VectorConverter.DS2OrgLayer(overlayFeatureSet); bool result = OverlayOperate(baseLayer, overlayLayer, ref resultLayer, type, callback); return(result); }