diff --git a/API_MachMgr.cpp b/API_MachMgr.cpp
index 6709023..e27885d 100644
--- a/API_MachMgr.cpp
+++ b/API_MachMgr.cpp
@@ -202,6 +202,27 @@ __stdcall EgtMoveRawPart( int nRawId, const double vtMove[3])
    return ( ExeMoveRawPart( nRawId, vtMove) ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+int
+__stdcall EgtGetPartInRawPartCount( int nRawId)
+{
+   return ExeGetPartInRawPartCount( nRawId) ;
+}
+
+//-----------------------------------------------------------------------------
+int
+__stdcall EgtGetFirstPartInRawPart( int nRawId)
+{
+   return ExeGetFirstPartInRawPart( nRawId) ;
+}
+
+//-----------------------------------------------------------------------------
+int
+__stdcall EgtGetNextPartInRawPart( int nPartId)
+{
+   return ExeGetNextPartInRawPart( nPartId) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtAddPartToRawPart( int nPartId, const double ptPos[3], int nRawId)
@@ -656,6 +677,34 @@ __stdcall EgtRemoveAllOperations( void)
    return ( ExeRemoveAllOperations() ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtSetOperationMode( int nId, BOOL bActive)
+{
+   return ( ExeSetOperationMode( nId, bActive!= FALSE) ? TRUE : FALSE) ;
+}
+
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtSetAllOperationsMode( BOOL bActive)
+{
+   return ( ExeSetAllOperationsMode( bActive!= FALSE) ? TRUE : FALSE) ;
+}
+
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtSetOperationStatus( int nId, BOOL bShow)
+{
+   return ( ExeSetOperationStatus( nId, bShow != FALSE) ? TRUE : FALSE) ;
+}
+
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtSetAllOperationsStatus( BOOL bShow)
+{
+   return ( ExeSetAllOperationsStatus( bShow != FALSE) ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 // Simulation
 //-----------------------------------------------------------------------------
diff --git a/EgtInterface.rc b/EgtInterface.rc
index cfc5f08..20051d5 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ