#ifndef _SMESHDS_GroupOnGeom_HeaderFile
#define _SMESHDS_GroupOnGeom_HeaderFile
+#include "SMESH_SMESHDS.hxx"
+
#include "SMESHDS_GroupBase.hxx"
#include <TopoDS_Shape.hxx>
class SMESHDS_SubMesh;
-class SMESHDS_GroupOnGeom: public SMESHDS_GroupBase
+class SMESHDS_EXPORT SMESHDS_GroupOnGeom: public SMESHDS_GroupBase
{
public: