#ifndef _SMESHDS_GroupBase_HeaderFile
#define _SMESHDS_GroupBase_HeaderFile
+#include "SMESH_SMESHDS.hxx"
+
#include <string>
#include "SMDSAbs_ElementType.hxx"
#include "SMDS_MeshElement.hxx"
class SMESHDS_Mesh;
-class SMESHDS_GroupBase
+class SMESHDS_EXPORT SMESHDS_GroupBase
{
public: