diff --git a/API_MachMgr.cpp b/API_MachMgr.cpp
index 7feeb1a..31a5b51 100644
--- a/API_MachMgr.cpp
+++ b/API_MachMgr.cpp
@@ -441,6 +441,13 @@ __stdcall EgtSetTable( const wchar_t* wsTable)
    return ( ExeSetTable( wstrztoA( wsTable)) ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtSetTableAreaOffset( double dOffsXP, double dOffsYP, double dOffsXM, double dOffsYM)
+{
+   return ( ExeSetTableAreaOffset( dOffsXP, dOffsYP, dOffsXM, dOffsYM) ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtGetTableName( wchar_t*& wsTableName)
@@ -483,6 +490,22 @@ __stdcall EgtGetTableArea( int nInd, double ptMin[3], double ptMax[3])
    return TRUE ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtGetTableAreaOffset( int nInd, double ptMinOffs[3], double ptMaxOffs[3])
+{
+  // recupero l'identificativo
+   BBox3d b3Area ;
+   if ( ! ExeGetTableAreaOffset( nInd, b3Area))
+      return FALSE ;
+  // ritorno i dati
+   if ( ptMinOffs != nullptr)
+      VEC_FROM_3D( ptMinOffs, b3Area.GetMin()) ;
+   if ( ptMaxOffs != nullptr)
+      VEC_FROM_3D( ptMaxOffs, b3Area.GetMax()) ;
+   return TRUE ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtShowOnlyTable( bool bVal)
@@ -1123,6 +1146,13 @@ __stdcall EgtGetOperationId( const wchar_t* wsName)
    return ExeGetOperationId( wstrztoA( wsName)) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtIsOperationEmpty( int nId)
+{
+   return ( ExeIsOperationEmpty( nId) ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtRemoveOperation( int nId)
diff --git a/EgtInterface.rc b/EgtInterface.rc
index d538135..cfe4f39 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ