diff --git a/EInAPI.h b/EInAPI.h
index 202cb02..925d22c 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -591,6 +591,7 @@ EIN_EXPORT BOOL __stdcall EgtVerifyOutstroke( double dX, double dY, double dZ, d
 EIN_EXPORT BOOL __stdcall EgtGetOutstrokeInfo( wchar_t*& wsInfo) ;
 // Machine Move
 EIN_EXPORT BOOL __stdcall EgtSetAxisPos( const wchar_t* wsAxis, double dVal) ;
+EIN_EXPORT BOOL __stdcall EgtSetMachineLook( int nFlag) ;
 
 // Scene
 EIN_EXPORT BOOL __stdcall EgtInitScene( HWND hWnd, int nDriver, BOOL b2Buff, int nColorBits, int nDepthBits) ;
diff --git a/EMkMachMgr.h b/EMkMachMgr.h
index e520d89..0707695 100644
--- a/EMkMachMgr.h
+++ b/EMkMachMgr.h
@@ -192,6 +192,7 @@ class __declspec( novtable) IMachMgr
       virtual bool ResetAllAxesPos( void) = 0 ;
       virtual bool LoadTool( const std::string& sHead, int nExit, const std::string& sTool) = 0 ;
       virtual bool ResetHeadSet( const std::string& sHead) = 0 ;
+      virtual bool SetMachineLook( int nFlag) = 0 ;
 } ;
 
 //-----------------------------------------------------------------------------
diff --git a/EMkSimuGenConst.h b/EMkSimuGenConst.h
index 5ae2909..c5b3903 100644
--- a/EMkSimuGenConst.h
+++ b/EMkSimuGenConst.h
@@ -31,4 +31,9 @@ enum SimuStat { MCH_SIM_OK = 0,
                 MCH_SIM_OUTSTROKE = 3,
                 MCH_SIM_DIR_ERR = 4,
                 MCH_SIM_ERR = 5} ;
-                
\ No newline at end of file
+
+//------------------------ Stato di visualizzazione della macchina ------------
+enum MachLook { MCH_LOOK_TAB = 0,
+                MCH_LOOK_TAB_TOOL = 1,
+                MCH_LOOK_TAB_HEAD = 2,
+                MCH_LOOK_ALL = 3} ;
diff --git a/EXeExecutor.h b/EXeExecutor.h
index bc7a670..93eacc2 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -652,6 +652,7 @@ EXE_EXPORT bool ExeGetAxisHomePos( const std::string& sAxis, double* pdHomeVal)
 EXE_EXPORT bool ExeResetAxisPos( const std::string& sAxis) ;
 EXE_EXPORT bool ExeLoadTool( const std::string& sHead, int nExit, const std::string& sTool) ;
 EXE_EXPORT bool ExeResetHeadSet( const std::string& sHead) ;
+EXE_EXPORT bool ExeSetMachineLook( int nFlag) ;
 
 // Scene
 EXE_EXPORT bool ExeInitScene( HWND hWnd, int nDriver, bool b2Buff, int nColorBits, int nDepthBits) ;