diff --git a/API_MachMgr.cpp b/API_MachMgr.cpp
index 66cfeb6..f7b1972 100644
--- a/API_MachMgr.cpp
+++ b/API_MachMgr.cpp
@@ -937,6 +937,13 @@ __stdcall EgtGetCurrMachining( void)
    return ExeGetCurrMachining() ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtSetMachiningParamBool( int nType, BOOL bVal)
+{
+   return ( ExeSetMachiningParam( nType, ( bVal != FALSE)) ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtSetMachiningParamInt( int nType, int nVal)
@@ -986,6 +993,19 @@ __stdcall EgtApplyMachining( BOOL bRecalc)
    return ( ExeApplyMachining( bRecalc != FALSE) ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtGetMachiningParamBool( int nType, BOOL* pbVal)
+{
+   if ( pbVal == nullptr)
+      return FALSE ;
+   bool bVal ;
+   if ( ! ExeGetMachiningParam( nType, bVal))
+      return FALSE ;
+   *pbVal = bVal ;
+   return TRUE ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtGetMachiningParamInt( int nType, int* pnVal)
diff --git a/EgtInterface.rc b/EgtInterface.rc
index 92528a7..05f2f30 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ