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arcobject c++實現檢查要素是否為multipart

IFeaturePtr ipFeature =	getFeature();
IGeometryPtr ipGeometry;
ipFeature->get_ShapeCopy(&ipGeometry);
IGeometryCollectionPtr ipGeometryCollection = ipGeometry;
long multiPart;
ipGeometryCollection->get_GeometryCount(&multiPart);
if (multiPart > 1)
return true;
else
return false;