diff --git a/API_MachMgr.cpp b/API_MachMgr.cpp
index 808dbce..fe4ef29 100644
--- a/API_MachMgr.cpp
+++ b/API_MachMgr.cpp
@@ -627,18 +627,18 @@ __stdcall EgtMdbGetCurrMachiningParamString( int nType, wchar_t*& wsVal)
 
 //-----------------------------------------------------------------------------
 BOOL
-__stdcall EgtMdbSetSafeZ( double dSafeZ)
+__stdcall EgtMdbSetGeneralParamDouble( int nType, double dVal)
 {
-   return ( ExeMdbSetSafeZ( dSafeZ) ? TRUE : FALSE) ;
+   return ( ExeMdbSetGeneralParam( nType, dVal) ? TRUE : FALSE) ;
 }
 
 //-----------------------------------------------------------------------------
 BOOL
-__stdcall EgtMdbGetSafeZ( double* pdSafeZ)
+__stdcall EgtMdbGetGeneralParamDouble( int nType, double* pdVal)
 {
-   if ( pdSafeZ == nullptr)
+   if ( pdVal == nullptr)
       return FALSE ;
-   return ( ExeMdbGetSafeZ( *pdSafeZ) ? TRUE : FALSE) ;
+   return ( ExeMdbGetGeneralParam( nType, *pdVal) ? TRUE : FALSE) ;
 }
 
 //-----------------------------------------------------------------------------
@@ -746,6 +746,22 @@ __stdcall EgtSetAllOperationsStatus( BOOL bShow)
    return ( ExeSetAllOperationsStatus( bShow != FALSE) ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+// Machinings
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtSetCurrMachining( int nId)
+{
+   return ( ExeSetCurrMachining( nId) ? TRUE : FALSE) ;
+}
+
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtIsMachiningNotEmpty( void)
+{
+   return ( ExeIsMachiningNotEmpty() ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 // Simulation
 //-----------------------------------------------------------------------------