diff --git a/API_General.cpp b/API_General.cpp
index 0e47b97..ceedf09 100644
--- a/API_General.cpp
+++ b/API_General.cpp
@@ -72,7 +72,7 @@ BOOL
 __stdcall EgtGetDefaultFont( wchar_t*& wsDefaultFont)
 {
    if ( &wsDefaultFont == nullptr)
-      return false ;
+      return FALSE ;
   // recupero il nome del font di default
    string sDefaultFont ;
    ExeGetDefaultFont( sDefaultFont) ;
diff --git a/API_GeoSnap.cpp b/API_GeoSnap.cpp
index 9762b08..0e00edc 100644
--- a/API_GeoSnap.cpp
+++ b/API_GeoSnap.cpp
@@ -231,7 +231,7 @@ __stdcall EgtCurveIsFlat( int nId, double vtN[3], double* pdDist)
       return FALSE ;
    VEC_FROM_3D( vtN, Plane.vtN)
    *pdDist = Plane.dDist ;
-   return true ;
+   return TRUE ;
 }
 
 //----------------------------------------------------------------------------
@@ -252,7 +252,7 @@ __stdcall EgtCurveArea( int nId, double vtN[3], double* pdDist, double* pdArea)
       return FALSE ;
    VEC_FROM_3D( vtN, Plane.vtN)
    *pdDist = Plane.dDist ;
-   return true ;
+   return TRUE ;
 }
 
 //----------------------------------------------------------------------------
diff --git a/API_GeomDB.cpp b/API_GeomDB.cpp
index 0824914..5ebd6c6 100644
--- a/API_GeomDB.cpp
+++ b/API_GeomDB.cpp
@@ -104,7 +104,7 @@ BOOL
 __stdcall EgtGetCurrFilePath( wchar_t*& wsFilePath)
 {
    if ( &wsFilePath == nullptr)
-      return false ;
+      return FALSE ;
    string sFilePath ;
    if ( ! ExeGetCurrFilePath( sFilePath))
       return FALSE ;
diff --git a/API_MachMgr.cpp b/API_MachMgr.cpp
index 35bdbf9..18516c2 100644
--- a/API_MachMgr.cpp
+++ b/API_MachMgr.cpp
@@ -253,6 +253,13 @@ __stdcall EgtVerifyRawPartPhase( int nRawId, int nPhase)
    return ( ExeVerifyRawPartPhase( nRawId, nPhase) ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtVerifyRawPartCurrPhase( int nRawId)
+{
+   return ( ExeVerifyRawPartCurrPhase( nRawId) ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtRemoveRawPartFromCurrPhase( int nRawId)
@@ -414,6 +421,13 @@ __stdcall EgtRemoveFixture( int nFxtId)
    return ( ExeRemoveFixture( nFxtId) ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtVerifyFixture( int nFxtId)
+{
+   return ( ExeVerifyFixture( nFxtId) ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 int
 __stdcall EgtGetFirstFixture( void)
@@ -1391,7 +1405,7 @@ __stdcall EgtGetOutstrokeInfo( wchar_t*& wsInfo)
 {
    string sInfo ;
    if ( ! ExeGetOutstrokeInfo( sInfo))
-      return false ;
+      return FALSE ;
    wsInfo = _wcsdup( stringtoW( sInfo)) ;
    return  (( wsInfo == nullptr) ? FALSE : TRUE) ;
 }
diff --git a/API_Scene.cpp b/API_Scene.cpp
index 37b4253..138ed13 100644
--- a/API_Scene.cpp
+++ b/API_Scene.cpp
@@ -241,6 +241,20 @@ __stdcall EgtGetLastSnapDir( double vtV[3])
    return TRUE ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtGetPlaneSnapPoint( int nWinX, int nWinY, const double vtN[3], double dDist, double ptP[3])
+{
+   if ( ptP == nullptr)
+      return FALSE ;
+   Plane3d Plane ; Plane.vtN = vtN ; Plane.dDist = dDist ;
+   Point3d ptTmp ;
+   if ( ! ExeGetPlaneSnapPoint( nWinX, nWinY, Plane, ptTmp))
+      return FALSE ;
+   VEC_FROM_3D( ptP, ptTmp)
+   return TRUE ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtSetShowMode( int nShowMode, BOOL bRedraw)
diff --git a/EgtInterface.rc b/EgtInterface.rc
index eceddfc..bda444d 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ