diff --git a/API_MachMgr.cpp b/API_MachMgr.cpp
index ca332a7..0ab95fb 100644
--- a/API_MachMgr.cpp
+++ b/API_MachMgr.cpp
@@ -314,6 +314,13 @@ __stdcall EgtTdbSaveCurrTool( void)
    return ( ExeTdbSaveCurrTool() ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtTdbIsCurrToolModified( void)
+{
+   return ( ExeTdbIsCurrToolModified() ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtTdbSetCurrToolParamInt( int nType, int nVal)
diff --git a/EgtInterface.rc b/EgtInterface.rc
index aa2dec6..490c18b 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ