diff --git a/API_GeoInters.cpp b/API_GeoInters.cpp
index 08ef8f5..226d0a8 100644
--- a/API_GeoInters.cpp
+++ b/API_GeoInters.cpp
@@ -21,7 +21,8 @@ using namespace std ;
 
 //----------------------------------------------------------------------------
 BOOL
-__stdcall EgtLineSurfTmInters( const double ptP[3], const double vtDir[3], int nId, int nRefType, int*& vFlagInters, double*& vParInters, int* pnCount)
+__stdcall EgtLineSurfTmInters( const double ptP[3], const double vtDir[3], int nId, int nRefType,
+                               int*& vFlagInters, double*& vParInters, int* pnCount)
 {
   // verifica parametri
    if ( ptP == nullptr  ||  vtDir == nullptr  ||  &vFlagInters == nullptr  ||  &vParInters == nullptr  ||  pnCount == nullptr)
@@ -53,3 +54,13 @@ __stdcall EgtLineSurfTmInters( const double ptP[3], const double vtDir[3], int n
    *pnCount = nDim ;
    return TRUE ;
 }
+
+//----------------------------------------------------------------------------
+int
+__stdcall EgtSurfTmSurfTmInters( int nId1, int nId2, int nDestGrpId,
+                                 int* pnPntCount, int* pnCrvCount, int* pnSrfCount)
+{
+   if ( pnPntCount == nullptr  ||  pnCrvCount == nullptr  ||  pnSrfCount == nullptr)
+      return FALSE ;
+   return ExeSurfTmSurfTmInters( nId1, nId2, nDestGrpId, pnPntCount, pnCrvCount, pnSrfCount) ;
+}
diff --git a/EgtInterface.rc b/EgtInterface.rc
index 2e2bb93..6b32ba6 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ