diff --git a/src/StdMeshers_I/StdMeshers_Arithmetic1D_i.cxx b/src/StdMeshers_I/StdMeshers_Arithmetic1D_i.cxx
index 290e62f74..2485217e6 100644
--- a/src/StdMeshers_I/StdMeshers_Arithmetic1D_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_Arithmetic1D_i.cxx
@@ -24,7 +24,6 @@
 //  File   : StdMeshers_Arithmetic1D_i.cxx
 //  Author : Damien COQUERET, OCC
 //  Module : SMESH
-//  $Header$
 //
 #include "StdMeshers_Arithmetic1D_i.hxx"
 #include "SMESH_Gen_i.hxx"
@@ -95,7 +94,8 @@ void StdMeshers_Arithmetic1D_i::SetLength(CORBA::Double theLength,
 
   // Update Python script
   SMESH::TPythonDump()
-    << _this() << ( theIsStart ? ".SetStartLength( " : ".SetEndLength( " ) << theLength << " )";
+    << _this() << ( theIsStart ? ".SetStartLength( " : ".SetEndLength( " )
+    << SMESH::TVar(theLength) << " )";
 }
 
 //=============================================================================
@@ -259,3 +259,14 @@ CORBA::Boolean StdMeshers_Arithmetic1D_i::IsDimSupported( SMESH::Dimension type
   return type == SMESH::DIM_1D;
 }
 
+//================================================================================
+/*!
+ * \brief Return method name corresponding to index of variable parameter
+ */
+//================================================================================
+
+std::string StdMeshers_Arithmetic1D_i::getMethodOfParameter(const int paramIndex,
+                                                            int       nbVars) const
+{
+  return paramIndex == 0 ? "SetStartLength" : "SetEndLength";
+}
diff --git a/src/StdMeshers_I/StdMeshers_Arithmetic1D_i.hxx b/src/StdMeshers_I/StdMeshers_Arithmetic1D_i.hxx
index c789ffd7a..45928d79c 100644
--- a/src/StdMeshers_I/StdMeshers_Arithmetic1D_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_Arithmetic1D_i.hxx
@@ -82,6 +82,9 @@ public:
 
   // Verify whether hypothesis supports given entity type 
   CORBA::Boolean IsDimSupported( SMESH::Dimension type );
+
+ protected:
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif
diff --git a/src/StdMeshers_I/StdMeshers_CartesianParameters3D_i.cxx b/src/StdMeshers_I/StdMeshers_CartesianParameters3D_i.cxx
index 06ebe87d4..fbba9a17f 100644
--- a/src/StdMeshers_I/StdMeshers_CartesianParameters3D_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_CartesianParameters3D_i.cxx
@@ -151,7 +151,7 @@ void StdMeshers_CartesianParameters3D_i::SetSizeThreshold(CORBA::Double threshol
   }
 
   // Update Python script
-  SMESH::TPythonDump() << _this() << ".SetSizeThreshold( " << threshold << " )";
+  SMESH::TPythonDump() << _this() << ".SetSizeThreshold( " << SMESH::TVar(threshold) << " )";
 }
 
 //=============================================================================
diff --git a/src/StdMeshers_I/StdMeshers_Deflection1D_i.cxx b/src/StdMeshers_I/StdMeshers_Deflection1D_i.cxx
index 91cb7a651..f01f2a167 100644
--- a/src/StdMeshers_I/StdMeshers_Deflection1D_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_Deflection1D_i.cxx
@@ -93,7 +93,7 @@ void StdMeshers_Deflection1D_i::SetDeflection( CORBA::Double theValue )
   }
 
   // Update Python script
-  SMESH::TPythonDump() << _this() << ".SetDeflection( " << theValue << " )";
+  SMESH::TPythonDump() << _this() << ".SetDeflection( " << SMESH::TVar(theValue) << " )";
 }
 
 //=============================================================================
@@ -139,3 +139,14 @@ CORBA::Boolean StdMeshers_Deflection1D_i::IsDimSupported( SMESH::Dimension type
   return type == SMESH::DIM_1D;
 }
 
+//================================================================================
+/*!
+ * \brief Return method name corresponding to index of variable parameter
+ */
+//================================================================================
+
+std::string StdMeshers_Deflection1D_i::getMethodOfParameter(const int paramIndex,
+                                                            int       /*nbVars*/) const
+{
+  return "SetDeflection";
+}
diff --git a/src/StdMeshers_I/StdMeshers_Deflection1D_i.hxx b/src/StdMeshers_I/StdMeshers_Deflection1D_i.hxx
index b1a185118..ad45de2a6 100644
--- a/src/StdMeshers_I/StdMeshers_Deflection1D_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_Deflection1D_i.hxx
@@ -25,7 +25,6 @@
 //           Moved here from SMESH_LocalLength_i.hxx
 //  Author : Paul RASCLE, EDF
 //  Module : SMESH
-//  $Header$
 //
 #ifndef _SMESH_Deflection1D_I_HXX_
 #define _SMESH_Deflection1D_I_HXX_
@@ -66,7 +65,9 @@ public:
   
   // Verify whether hypothesis supports given entity type 
   CORBA::Boolean IsDimSupported( SMESH::Dimension type );
+
+ protected:
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif
-
diff --git a/src/StdMeshers_I/StdMeshers_LayerDistribution2D_i.cxx b/src/StdMeshers_I/StdMeshers_LayerDistribution2D_i.cxx
index db93c33a2..2541fe94d 100644
--- a/src/StdMeshers_I/StdMeshers_LayerDistribution2D_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_LayerDistribution2D_i.cxx
@@ -21,14 +21,11 @@
 //  File   : StdMeshers_LayerDistribution2D_i.cxx
 //  Author : Edward AGAPOV
 //  Module : SMESH
-//  $Header$
 //
 #include "StdMeshers_LayerDistribution2D_i.hxx"
 
 #include "utilities.h"
 
-//using namespace std;
-
 //=============================================================================
 /*!
  *  StdMeshers_LayerDistribution2D_i::StdMeshers_LayerDistribution2D_i
diff --git a/src/StdMeshers_I/StdMeshers_LayerDistribution2D_i.hxx b/src/StdMeshers_I/StdMeshers_LayerDistribution2D_i.hxx
index 16f4d6c00..fc5c571e6 100644
--- a/src/StdMeshers_I/StdMeshers_LayerDistribution2D_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_LayerDistribution2D_i.hxx
@@ -21,7 +21,6 @@
 //  File   : StdMeshers_LayerDistribution2D_i.hxx
 //  Author : Edward AGAPOV
 //  Module : SMESH
-//  $Header$
 //
 #ifndef _SMESH_LayerDistribution2D_I_HXX_
 #define _SMESH_LayerDistribution2D_I_HXX_
diff --git a/src/StdMeshers_I/StdMeshers_LayerDistribution_i.cxx b/src/StdMeshers_I/StdMeshers_LayerDistribution_i.cxx
index b30358a60..618575fe9 100644
--- a/src/StdMeshers_I/StdMeshers_LayerDistribution_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_LayerDistribution_i.cxx
@@ -24,7 +24,6 @@
 //  File   : StdMeshers_LayerDistribution_i.cxx
 //  Author : Edward AGAPOV
 //  Module : SMESH
-//  $Header$
 //
 #include "StdMeshers_LayerDistribution_i.hxx"
 #include "SMESH_Gen_i.hxx"
@@ -169,9 +168,9 @@ char* StdMeshers_LayerDistribution_i::SaveTo()
   else {
     os << hyp1D->GetName() << " "
        << hyp1D->GetLibName() << " "
-       << hyp1D_i->SaveTo();
+       << hyp1D_i->SaveTo() << " ";
   }
-  //myBaseImpl->SaveTo( os );
+  os << SMESH_Hypothesis_i::SaveTo();  // to have a mark of storage version ("VARS...")
 
   return CORBA::string_dup( os.str().c_str() );
 }
@@ -201,11 +200,14 @@ void StdMeshers_LayerDistribution_i::LoadFrom( const char* theStream )
         gen->CreateHypothesis( typeName.c_str(), libName.c_str() );
       SMESH_Hypothesis_i* hyp1D_i = SMESH::DownCast< SMESH_Hypothesis_i*>( hyp1D );
       if ( hyp1D_i ) {
-        hyp1D_i->LoadFrom( & theStream[ is.tellg() ]);
+        hyp1D_i->LoadFrom( & theStream[ (streamoff) is.tellg()+1 ]);
         this->GetImpl()->SetLayerDistribution( hyp1D_i->GetImpl() );
         myHyp = hyp1D;
         // as hyp1D is not published, its ID changes
         //SMESH::TPythonDump() << _this() << ".SetLayerDistribution( " << hyp1D << " )";
+
+        // restore a mark of storage version ("VARS...")
+        SMESH_Hypothesis_i::LoadFrom( & theStream[ (streamoff)is.tellg()+1 ]);
       }
     }
     catch (...) {
@@ -214,3 +216,14 @@ void StdMeshers_LayerDistribution_i::LoadFrom( const char* theStream )
   }
 }
 
+//================================================================================
+/*!
+ * \brief Restore myMethod2VarParams by parameters stored in an old study
+ */
+//================================================================================
+
+void StdMeshers_LayerDistribution_i::setOldParameters (const char* theParameters)
+{
+  if ( SMESH_Hypothesis_i* hyp1D_i = SMESH::DownCast< SMESH_Hypothesis_i*>( myHyp ))
+    hyp1D_i->setOldParameters( theParameters );
+}
diff --git a/src/StdMeshers_I/StdMeshers_LayerDistribution_i.hxx b/src/StdMeshers_I/StdMeshers_LayerDistribution_i.hxx
index f930c1e66..7f1b91603 100644
--- a/src/StdMeshers_I/StdMeshers_LayerDistribution_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_LayerDistribution_i.hxx
@@ -24,7 +24,6 @@
 //  File   : StdMeshers_LayerDistribution_i.hxx
 //  Author : Edward AGAPOV
 //  Module : SMESH
-//  $Header$
 //
 #ifndef _SMESH_LayerDistribution_I_HXX_
 #define _SMESH_LayerDistribution_I_HXX_
@@ -80,9 +79,12 @@ public:
   virtual char* SaveTo();
   virtual void  LoadFrom( const char* theStream );
 
+protected:
+  // restore myMethod2VarParams by parameters stored in an old study
+  virtual void setOldParameters (const char* theParameters);
+  
 private:
   SMESH::SMESH_Hypothesis_var myHyp;
 };
 
 #endif
-
diff --git a/src/StdMeshers_I/StdMeshers_LocalLength_i.cxx b/src/StdMeshers_I/StdMeshers_LocalLength_i.cxx
index 00feb20bd..a5fb518f4 100644
--- a/src/StdMeshers_I/StdMeshers_LocalLength_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_LocalLength_i.cxx
@@ -25,7 +25,6 @@
 //           Moved here from SMESH_LocalLength_i.cxx
 //  Author : Paul RASCLE, EDF
 //  Module : SMESH
-//  $Header$
 //
 #include "StdMeshers_LocalLength_i.hxx"
 #include "SMESH_Gen_i.hxx"
@@ -93,7 +92,7 @@ void StdMeshers_LocalLength_i::SetLength( CORBA::Double theLength )
   }
 
   // Update Python script
-  SMESH::TPythonDump() << _this() << ".SetLength( " << theLength << " )";
+  SMESH::TPythonDump() << _this() << ".SetLength( " << SMESH::TVar(theLength) << " )";
 }
 
 //=============================================================================
@@ -117,7 +116,7 @@ void StdMeshers_LocalLength_i::SetPrecision( CORBA::Double thePrecision )
   }
 
   // Update Python script
-  SMESH::TPythonDump() << _this() << ".SetPrecision( " << thePrecision << " )";
+  SMESH::TPythonDump() << _this() << ".SetPrecision( " << SMESH::TVar(thePrecision) << " )";
 }
 
 //=============================================================================
@@ -174,3 +173,9 @@ CORBA::Boolean StdMeshers_LocalLength_i::IsDimSupported( SMESH::Dimension type )
 {
   return type == SMESH::DIM_1D;
 }
+
+std::string StdMeshers_LocalLength_i::getMethodOfParameter(const int paramIndex,
+                                                           int       /*nbVars*/) const
+{
+  return paramIndex == 0 ? "SetLength" : "SetPrecision";
+}
diff --git a/src/StdMeshers_I/StdMeshers_LocalLength_i.hxx b/src/StdMeshers_I/StdMeshers_LocalLength_i.hxx
index 92c218ac1..00e565c31 100644
--- a/src/StdMeshers_I/StdMeshers_LocalLength_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_LocalLength_i.hxx
@@ -25,7 +25,6 @@
 //           Moved here from SMESH_LocalLength_i.hxx
 //  Author : Paul RASCLE, EDF
 //  Module : SMESH
-//  $Header$
 //
 #ifndef _SMESH_LOCALLENGTH_I_HXX_
 #define _SMESH_LOCALLENGTH_I_HXX_
@@ -72,6 +71,9 @@ public:
   
   // Verify whether hypothesis supports given entity type 
   CORBA::Boolean IsDimSupported( SMESH::Dimension type );
+
+ protected:
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif
diff --git a/src/StdMeshers_I/StdMeshers_MaxElementArea_i.cxx b/src/StdMeshers_I/StdMeshers_MaxElementArea_i.cxx
index b81a4b408..26f44c5cc 100644
--- a/src/StdMeshers_I/StdMeshers_MaxElementArea_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_MaxElementArea_i.cxx
@@ -25,7 +25,6 @@
 //           Moved here from SMESH_MaxElementArea_i.cxx
 //  Author : Paul RASCLE, EDF
 //  Module : SMESH
-//  $Header$
 //
 #include "StdMeshers_MaxElementArea_i.hxx"
 #include "SMESH_Gen_i.hxx"
@@ -94,7 +93,7 @@ void StdMeshers_MaxElementArea_i::SetMaxElementArea( CORBA::Double theArea )
   }
 
   // Update Python script
-  SMESH::TPythonDump() << _this() << ".SetMaxElementArea( " << theArea << " )";
+  SMESH::TPythonDump() << _this() << ".SetMaxElementArea( " << SMESH::TVar(theArea) << " )";
 }
 
 //=============================================================================
@@ -140,3 +139,14 @@ CORBA::Boolean StdMeshers_MaxElementArea_i::IsDimSupported( SMESH::Dimension typ
   return type == SMESH::DIM_2D;
 }
 
+//================================================================================
+/*!
+ * \brief Return method name corresponding to index of variable parameter
+ */
+//================================================================================
+
+std::string StdMeshers_MaxElementArea_i::getMethodOfParameter(const int paramIndex,
+                                                              int       /*nbVars*/) const
+{
+  return "SetMaxElementArea";
+}
diff --git a/src/StdMeshers_I/StdMeshers_MaxElementArea_i.hxx b/src/StdMeshers_I/StdMeshers_MaxElementArea_i.hxx
index 5eeb9bbd5..071888494 100644
--- a/src/StdMeshers_I/StdMeshers_MaxElementArea_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_MaxElementArea_i.hxx
@@ -25,7 +25,6 @@
 //           Moved here from SMESH_MaxElementArea_i.hxx
 //  Author : Paul RASCLE, EDF
 //  Module : SMESH
-//  $Header$
 //
 #ifndef _SMESH_MAXELEMENTAREA_I_HXX_
 #define _SMESH_MAXELEMENTAREA_I_HXX_
@@ -64,6 +63,9 @@ public:
   
   // Verify whether hypothesis supports given entity type 
   CORBA::Boolean IsDimSupported( SMESH::Dimension type );
+
+ protected:
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif
diff --git a/src/StdMeshers_I/StdMeshers_MaxElementVolume_i.cxx b/src/StdMeshers_I/StdMeshers_MaxElementVolume_i.cxx
index fff72761f..5d447a355 100644
--- a/src/StdMeshers_I/StdMeshers_MaxElementVolume_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_MaxElementVolume_i.cxx
@@ -25,7 +25,6 @@
 //           Moved here from SMESH_MaxElementVolume_i.cxx
 //  Author : Paul RASCLE, EDF
 //  Module : SMESH
-//  $Header$
 //
 #include "StdMeshers_MaxElementVolume_i.hxx"
 #include "SMESH_Gen_i.hxx"
@@ -94,7 +93,7 @@ void StdMeshers_MaxElementVolume_i::SetMaxElementVolume( CORBA::Double theVolume
   }
 
   // Update Python script
-  SMESH::TPythonDump() << _this() << ".SetMaxElementVolume( " << theVolume << " )";
+  SMESH::TPythonDump() << _this() << ".SetMaxElementVolume( " << SMESH::TVar(theVolume) << " )";
 }
 
 //=============================================================================
@@ -140,3 +139,13 @@ CORBA::Boolean StdMeshers_MaxElementVolume_i::IsDimSupported( SMESH::Dimension t
   return type == SMESH::DIM_3D;
 }
 
+//================================================================================
+/*!
+ * \brief Return method name corresponding to index of variable parameter
+ */
+//================================================================================
+
+std::string StdMeshers_MaxElementVolume_i::getMethodOfParameter(const int, int) const
+{
+  return "SetMaxElementVolume";
+}
diff --git a/src/StdMeshers_I/StdMeshers_MaxElementVolume_i.hxx b/src/StdMeshers_I/StdMeshers_MaxElementVolume_i.hxx
index ffec42a8f..f4896a779 100644
--- a/src/StdMeshers_I/StdMeshers_MaxElementVolume_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_MaxElementVolume_i.hxx
@@ -25,7 +25,6 @@
 //           Moved here from SMESH_MaxElementVolume_i.hxx
 //  Author : Paul RASCLE, EDF
 //  Module : SMESH
-//  $Header$
 //
 #ifndef _SMESH_MAXELEMENTVOLUME_I_HXX_
 #define _SMESH_MAXELEMENTVOLUME_I_HXX_
@@ -64,6 +63,9 @@ public:
   
   // Verify whether hypothesis supports given entity type 
   CORBA::Boolean IsDimSupported( SMESH::Dimension type );
+
+ protected:
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif
diff --git a/src/StdMeshers_I/StdMeshers_MaxLength_i.cxx b/src/StdMeshers_I/StdMeshers_MaxLength_i.cxx
index 1f1eee84f..f11df4fe4 100644
--- a/src/StdMeshers_I/StdMeshers_MaxLength_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_MaxLength_i.cxx
@@ -84,7 +84,7 @@ void StdMeshers_MaxLength_i::SetLength( CORBA::Double theLength )
   }
 
   // Update Python script
-  SMESH::TPythonDump() << _this() << ".SetLength( " << theLength << " )";
+  SMESH::TPythonDump() << _this() << ".SetLength( " << SMESH::TVar(theLength) << " )";
 }
 
 //=============================================================================
@@ -201,3 +201,14 @@ CORBA::Boolean StdMeshers_MaxLength_i::IsDimSupported( SMESH::Dimension type )
 {
   return type == SMESH::DIM_1D;
 }
+
+//================================================================================
+/*!
+ * \brief Return method name corresponding to index of variable parameter
+ */
+//================================================================================
+
+std::string StdMeshers_MaxLength_i::getMethodOfParameter(const int, int) const
+{
+  return "SetLength";
+}
diff --git a/src/StdMeshers_I/StdMeshers_MaxLength_i.hxx b/src/StdMeshers_I/StdMeshers_MaxLength_i.hxx
index a046aeb28..cbc99b51a 100644
--- a/src/StdMeshers_I/StdMeshers_MaxLength_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_MaxLength_i.hxx
@@ -77,6 +77,9 @@ public:
   
   // Verify whether hypothesis supports given entity type 
   CORBA::Boolean IsDimSupported( SMESH::Dimension type );
+
+ protected:
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif
diff --git a/src/StdMeshers_I/StdMeshers_NumberOfLayers2D_i.cxx b/src/StdMeshers_I/StdMeshers_NumberOfLayers2D_i.cxx
index e33f6972a..fa7f8d566 100644
--- a/src/StdMeshers_I/StdMeshers_NumberOfLayers2D_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_NumberOfLayers2D_i.cxx
@@ -21,14 +21,11 @@
 //  File   : StdMeshers_NumberOfLayers2D_i.cxx
 //  Author : Edward AGAPOV
 //  Module : SMESH
-//  $Header$
 //
 #include "StdMeshers_NumberOfLayers2D_i.hxx"
 
 #include "utilities.h"
 
-//using namespace std;
-
 //=============================================================================
 /*!
  *  StdMeshers_NumberOfLayers2D_i::StdMeshers_NumberOfLayers2D_i
@@ -89,4 +86,3 @@ CORBA::Boolean StdMeshers_NumberOfLayers2D_i::IsDimSupported( SMESH::Dimension t
 {
   return type == SMESH::DIM_2D;
 }
-
diff --git a/src/StdMeshers_I/StdMeshers_NumberOfLayers2D_i.hxx b/src/StdMeshers_I/StdMeshers_NumberOfLayers2D_i.hxx
index 39e6bc944..759f7cf65 100644
--- a/src/StdMeshers_I/StdMeshers_NumberOfLayers2D_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_NumberOfLayers2D_i.hxx
@@ -21,7 +21,6 @@
 //  File   : StdMeshers_NumberOfLayers2D_i.hxx
 //  Author : Edward AGAPOV
 //  Module : SMESH
-//  $Header$
 //
 #ifndef _SMESH_NumberOfLayers2D_I_HXX_
 #define _SMESH_NumberOfLayers2D_I_HXX_
@@ -57,4 +56,3 @@ public:
 };
 
 #endif
-
diff --git a/src/StdMeshers_I/StdMeshers_NumberOfLayers_i.cxx b/src/StdMeshers_I/StdMeshers_NumberOfLayers_i.cxx
index 8409af9e5..ecc6ffb3c 100644
--- a/src/StdMeshers_I/StdMeshers_NumberOfLayers_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_NumberOfLayers_i.cxx
@@ -24,7 +24,6 @@
 //  File   : StdMeshers_NumberOfLayers_i.cxx
 //  Author : Edward AGAPOV
 //  Module : SMESH
-//  $Header$
 //
 #include "StdMeshers_NumberOfLayers_i.hxx"
 #include "SMESH_Gen_i.hxx"
@@ -90,7 +89,7 @@ void StdMeshers_NumberOfLayers_i::SetNumberOfLayers(CORBA::Long numberOfLayers)
     THROW_SALOME_CORBA_EXCEPTION( S_ex.what(), SALOME::BAD_PARAM );
   }
   // Update Python script
-  SMESH::TPythonDump() << _this() << ".SetNumberOfLayers( " << numberOfLayers << " )";
+  SMESH::TPythonDump() << _this() << ".SetNumberOfLayers( " << SMESH::TVar(numberOfLayers) << " )";
 }
 
 //=============================================================================
@@ -134,3 +133,13 @@ CORBA::Boolean StdMeshers_NumberOfLayers_i::IsDimSupported( SMESH::Dimension typ
   return type == SMESH::DIM_3D;
 }
 
+//================================================================================
+/*!
+ * \brief Return method name corresponding to index of variable parameter
+ */
+//================================================================================
+
+std::string StdMeshers_NumberOfLayers_i::getMethodOfParameter(const int, int) const
+{
+  return "SetNumberOfLayers";
+}
diff --git a/src/StdMeshers_I/StdMeshers_NumberOfLayers_i.hxx b/src/StdMeshers_I/StdMeshers_NumberOfLayers_i.hxx
index 0178b9bc8..c301a916a 100644
--- a/src/StdMeshers_I/StdMeshers_NumberOfLayers_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_NumberOfLayers_i.hxx
@@ -24,7 +24,6 @@
 //  File   : StdMeshers_NumberOfLayers_i.hxx
 //  Author : Edward AGAPOV
 //  Module : SMESH
-//  $Header$
 //
 #ifndef _SMESH_NumberOfLayers_I_HXX_
 #define _SMESH_NumberOfLayers_I_HXX_
@@ -69,7 +68,9 @@ public:
   
   // Verify whether hypothesis supports given entity type 
   CORBA::Boolean IsDimSupported( SMESH::Dimension type );
+
+ protected:
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif
-
diff --git a/src/StdMeshers_I/StdMeshers_NumberOfSegments_i.cxx b/src/StdMeshers_I/StdMeshers_NumberOfSegments_i.cxx
index 1dd31e46c..9e7aa6292 100644
--- a/src/StdMeshers_I/StdMeshers_NumberOfSegments_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_NumberOfSegments_i.cxx
@@ -25,7 +25,6 @@
 //           Moved here from SMESH_NumberOfSegments_i.cxx
 //  Author : Paul RASCLE, EDF
 //  Module : SMESH
-//  $Header$
 //
 #include "StdMeshers_NumberOfSegments_i.hxx"
 #include "SMESH_Gen_i.hxx"
@@ -146,7 +145,7 @@ void StdMeshers_NumberOfSegments_i::SetNumberOfSegments( CORBA::Long theSegments
   }
 
   // Update Python script
-  SMESH::TPythonDump() << _this() << ".SetNumberOfSegments( " << theSegmentsNumber << " )";
+  SMESH::TPythonDump() << _this() << ".SetNumberOfSegments( " << SMESH::TVar(theSegmentsNumber) << " )";
 }
 
 //=============================================================================
@@ -305,7 +304,7 @@ void StdMeshers_NumberOfSegments_i::SetScaleFactor( CORBA::Double theScaleFactor
   try {
     this->GetImpl()->SetScaleFactor( theScaleFactor );
     // Update Python script
-    SMESH::TPythonDump() << _this() << ".SetScaleFactor( " << theScaleFactor << " )";
+    SMESH::TPythonDump() << _this() << ".SetScaleFactor( " << SMESH::TVar(theScaleFactor) << " )";
   }
   catch ( SALOME_Exception& S_ex ) {
     THROW_SALOME_CORBA_EXCEPTION( S_ex.what(),
@@ -490,3 +489,13 @@ CORBA::Boolean StdMeshers_NumberOfSegments_i::IsDimSupported( SMESH::Dimension t
   return type == SMESH::DIM_1D;
 }
 
+//================================================================================
+/*!
+ * \brief Return method name corresponding to index of variable parameter
+ */
+//================================================================================
+
+std::string StdMeshers_NumberOfSegments_i::getMethodOfParameter(const int paramIndex, int ) const
+{
+  return paramIndex == 0 ? "SetNumberOfSegments" : "SetScaleFactor";
+}
diff --git a/src/StdMeshers_I/StdMeshers_NumberOfSegments_i.hxx b/src/StdMeshers_I/StdMeshers_NumberOfSegments_i.hxx
index 87b7a7758..14876bf28 100644
--- a/src/StdMeshers_I/StdMeshers_NumberOfSegments_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_NumberOfSegments_i.hxx
@@ -25,7 +25,6 @@
 //           Moved here from SMESH_NumberOfSegments_i.hxx
 //  Author : Paul RASCLE, EDF
 //  Module : SMESH
-//  $Header$
 //
 #ifndef _SMESH_NUMBEROFSEGMENTS_I_HXX_
 #define _SMESH_NUMBEROFSEGMENTS_I_HXX_
@@ -117,6 +116,9 @@ public:
 
   //Get Object Entry
   char* GetObjectEntry();
+
+ protected:
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif
diff --git a/src/StdMeshers_I/StdMeshers_SegmentLengthAroundVertex_i.cxx b/src/StdMeshers_I/StdMeshers_SegmentLengthAroundVertex_i.cxx
index d4d2390de..d15385bfa 100644
--- a/src/StdMeshers_I/StdMeshers_SegmentLengthAroundVertex_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_SegmentLengthAroundVertex_i.cxx
@@ -23,7 +23,6 @@
 //  SMESH SMESH_I : idl implementation based on 'SMESH' unit's calsses
 //  File   : StdMeshers_SegmentLengthAroundVertex_i.cxx
 //  Module : SMESH
-//  $Header$
 //
 #include "StdMeshers_SegmentLengthAroundVertex_i.hxx"
 #include "SMESH_Gen.hxx"
@@ -91,7 +90,7 @@ void StdMeshers_SegmentLengthAroundVertex_i::SetLength( CORBA::Double theLength
   }
 
   // Update Python script
-  SMESH::TPythonDump() << _this() << ".SetLength( " << theLength << " )";
+  SMESH::TPythonDump() << _this() << ".SetLength( " << SMESH::TVar(theLength) << " )";
 }
 
 //=============================================================================
@@ -138,3 +137,13 @@ CORBA::Boolean StdMeshers_SegmentLengthAroundVertex_i::IsDimSupported( SMESH::Di
   return type == SMESH::DIM_1D;
 }
 
+//================================================================================
+/*!
+ * \brief Return method name corresponding to index of variable parameter
+ */
+//================================================================================
+
+std::string StdMeshers_SegmentLengthAroundVertex_i::getMethodOfParameter(const int, int ) const
+{
+  return "SetLength";
+}
diff --git a/src/StdMeshers_I/StdMeshers_SegmentLengthAroundVertex_i.hxx b/src/StdMeshers_I/StdMeshers_SegmentLengthAroundVertex_i.hxx
index 42f98bb14..dd30be3fa 100644
--- a/src/StdMeshers_I/StdMeshers_SegmentLengthAroundVertex_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_SegmentLengthAroundVertex_i.hxx
@@ -23,7 +23,6 @@
 //  SMESH SMESH_I : idl implementation based on 'SMESH' unit's calsses
 //  File   : StdMeshers_SegmentLengthAroundVertex_i.hxx
 //  Module : SMESH
-//  $Header$
 //
 #ifndef _SMESH_SegmentLengthAroundVertex_I_HXX_
 #define _SMESH_SegmentLengthAroundVertex_I_HXX_
@@ -64,6 +63,9 @@ public:
   
   // Verify whether hypothesis supports given entity type 
   CORBA::Boolean IsDimSupported( SMESH::Dimension type );
+
+ protected:
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif
diff --git a/src/StdMeshers_I/StdMeshers_StartEndLength_i.cxx b/src/StdMeshers_I/StdMeshers_StartEndLength_i.cxx
index 461d86b6c..1b9f0d8e8 100644
--- a/src/StdMeshers_I/StdMeshers_StartEndLength_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_StartEndLength_i.cxx
@@ -25,7 +25,6 @@
 //           Moved here from SMESH_LocalLength_i.cxx
 //  Author : Paul RASCLE, EDF
 //  Module : SMESH
-//  $Header$
 //
 #include "StdMeshers_StartEndLength_i.hxx"
 #include "SMESH_Gen_i.hxx"
@@ -96,7 +95,8 @@ void StdMeshers_StartEndLength_i::SetLength(CORBA::Double theLength,
 
   // Update Python script
   SMESH::TPythonDump() <<
-    _this() << ( theIsStart ? ".SetStartLength( " : ".SetEndLength( " ) << theLength << " )";
+    _this() << ( theIsStart ? ".SetStartLength( " : ".SetEndLength( " ) <<
+    SMESH::TVar(theLength) << " )";
 }
 
 //=============================================================================
@@ -257,3 +257,14 @@ CORBA::Boolean StdMeshers_StartEndLength_i::IsDimSupported( SMESH::Dimension typ
   return type == SMESH::DIM_1D;
 }
 
+//================================================================================
+/*!
+ * \brief Return method name corresponding to index of variable parameter
+ */
+//================================================================================
+
+std::string StdMeshers_StartEndLength_i::getMethodOfParameter(const int paramIndex,
+                                                              int       /*nbVars*/) const
+{
+  return paramIndex == 0 ? "SetStartLength" : "SetEndLength";
+}
diff --git a/src/StdMeshers_I/StdMeshers_StartEndLength_i.hxx b/src/StdMeshers_I/StdMeshers_StartEndLength_i.hxx
index c43a17628..bef2c5415 100644
--- a/src/StdMeshers_I/StdMeshers_StartEndLength_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_StartEndLength_i.hxx
@@ -85,7 +85,9 @@ public:
 
   //Get Object Entry
   char* GetObjectEntry();
+
+ protected:
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif
-
diff --git a/src/StdMeshers_I/StdMeshers_ViscousLayers_i.cxx b/src/StdMeshers_I/StdMeshers_ViscousLayers_i.cxx
index 44a37f6b9..18c7365e7 100644
--- a/src/StdMeshers_I/StdMeshers_ViscousLayers_i.cxx
+++ b/src/StdMeshers_I/StdMeshers_ViscousLayers_i.cxx
@@ -29,7 +29,6 @@
 #include "SMESH_Gen.hxx"
 #include "SMESH_Gen_i.hxx"
 #include "SMESH_PythonDump.hxx"
-//#include "StdMeshers_ObjRefUlils.hxx"
 
 #include "Utils_CorbaException.hxx"
 #include "utilities.h"
@@ -118,7 +117,7 @@ throw ( SALOME::SALOME_Exception )
   if ( thickness < 1e-100 )
     THROW_SALOME_CORBA_EXCEPTION( "Invalid thickness", SALOME::BAD_PARAM );
   GetImpl()->SetTotalThickness(thickness);
-  SMESH::TPythonDump() << _this() << ".SetTotalThickness( " << thickness << " )";
+  SMESH::TPythonDump() << _this() << ".SetTotalThickness( " << SMESH::TVar(thickness) << " )";
 }
 
 //================================================================================
@@ -145,7 +144,7 @@ throw ( SALOME::SALOME_Exception )
   if ( nb < 1 )
     THROW_SALOME_CORBA_EXCEPTION( "Invalid number of layers", SALOME::BAD_PARAM );
   GetImpl()->SetNumberLayers( nb );
-  SMESH::TPythonDump() << _this() << ".SetNumberLayers( " << nb << " )";
+  SMESH::TPythonDump() << _this() << ".SetNumberLayers( " << SMESH::TVar(nb) << " )";
 }
 
 //================================================================================
@@ -172,7 +171,7 @@ throw ( SALOME::SALOME_Exception )
   if ( factor < 1 )
     THROW_SALOME_CORBA_EXCEPTION( "Invalid stretch factor, it must be >= 1.0", SALOME::BAD_PARAM );
   GetImpl()->SetStretchFactor(factor);
-  SMESH::TPythonDump() << _this() << ".SetStretchFactor( " << factor << " )";
+  SMESH::TPythonDump() << _this() << ".SetStretchFactor( " << SMESH::TVar(factor) << " )";
 }
 
 //================================================================================
@@ -213,3 +212,20 @@ CORBA::Boolean StdMeshers_ViscousLayers_i::IsDimSupported( SMESH::Dimension type
   return type == SMESH::DIM_3D;
 }
 
+//================================================================================
+/*!
+ * \brief Return method name corresponding to index of variable parameter
+ */
+//================================================================================
+
+std::string StdMeshers_ViscousLayers_i::getMethodOfParameter(const int paramIndex, int ) const
+{
+  // order of methods was defined by StdMeshersGUI_StdHypothesisCreator::storeParams()
+  switch ( paramIndex )
+  {
+  case 0: return "SetTotalThickness";
+  case 1: return "SetNumberLayers";
+  case 2: return "SetStretchFactor";
+  }
+  return "";
+}
diff --git a/src/StdMeshers_I/StdMeshers_ViscousLayers_i.hxx b/src/StdMeshers_I/StdMeshers_ViscousLayers_i.hxx
index 1713defba..99a3d14dc 100644
--- a/src/StdMeshers_I/StdMeshers_ViscousLayers_i.hxx
+++ b/src/StdMeshers_I/StdMeshers_ViscousLayers_i.hxx
@@ -67,15 +67,8 @@ class STDMESHERS_I_EXPORT StdMeshers_ViscousLayers_i:
   // Verify whether hypothesis supports given entity type 
   CORBA::Boolean IsDimSupported( SMESH::Dimension type );
 
-  // Redefined Persistence
-//   virtual char* SaveTo();
-//   virtual void  LoadFrom( const char* theStream );
-//   virtual void  UpdateAsMeshesRestored();
-
- private:
-  //SMESH::string_array_var _groupEntries;
-  //std::vector< std::string > _groupIDs;
+ protected:
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif
-