diff --git a/BtlGeomCoStru.h b/BtlGeomCoStru.h
index 54c3ac8..6ee0015 100644
--- a/BtlGeomCoStru.h
+++ b/BtlGeomCoStru.h
@@ -50,6 +50,7 @@ static const std::string IKEY_PAR = "P" ;
 static const std::string IKEY_AUXID = "AUXID" ;
 static const std::string IKEY_START_FACE = "FCS" ;
 static const std::string IKEY_END_FACE = "FCE" ;
+static const std::string IKEY_POCKET = "PCKT" ;
 // costanti di approssimazione per curve
 const double CRV_LIN_APPROX = 0.05 ;
 const double CRV_ANG_APPROX_DEG = 22.5 ;
diff --git a/BtlGeomProc.cpp b/BtlGeomProc.cpp
index ec926d5..3fd3e65 100644
--- a/BtlGeomProc.cpp
+++ b/BtlGeomProc.cpp
@@ -4219,6 +4219,9 @@ BtlGeom::AddFreeContour( int nGroup, int nProc, int nSide, const string& sDes, i
       return false ;
   // nome e info con tipo
    SetNameAndInfo( nId, nGroup, nProc, nSide, sDes, nProcId) ;
+  // segnalo se svuotatura
+   if ( bClosed  &&  m_bFcPocket)
+      m_pGDB->SetInfo( nId, IKEY_POCKET, 1) ;
   // attributi utente
    SetUserAttributes( nId, vsUAtt) ;
   // identificativi di geometrie ausiliarie
diff --git a/EgtExchange.rc b/EgtExchange.rc
index 8861c5c..c528633 100644
Binary files a/EgtExchange.rc and b/EgtExchange.rc differ