diff --git a/EInAPI.h b/EInAPI.h
index 24a166b..99fefa4 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -735,6 +735,7 @@ EIN_EXPORT BOOL __stdcall EgtGetTableName( wchar_t*& wsTableName) ;
 EIN_EXPORT BOOL __stdcall EgtGetTableRef( int nInd, double ptPos[3]) ;
 EIN_EXPORT BOOL __stdcall EgtGetTableArea( int nInd, double ptMin[3], double ptMax[3]) ;
 EIN_EXPORT BOOL __stdcall EgtGetTableAreaOffset( int nInd, double ptMinOffs[3], double ptMaxOffs[3]) ;
+EIN_EXPORT BOOL __stdcall EgtChangeTable( const wchar_t* wsTable, BOOL bUpdateDisp) ;
 EIN_EXPORT BOOL __stdcall EgtShowOnlyTable( BOOL bVal) ;
 EIN_EXPORT int  __stdcall EgtAddFixture( const wchar_t* wsName, const double ptPos[3], double dAngRotDeg, double dMov) ;
 EIN_EXPORT BOOL __stdcall EgtKeepFixture( int nFxtId, int nSouPhase) ;
diff --git a/EMkMachMgr.h b/EMkMachMgr.h
index 923f8dc..4fd4058 100644
--- a/EMkMachMgr.h
+++ b/EMkMachMgr.h
@@ -106,6 +106,7 @@ class __declspec( novtable) IMachMgr
       virtual bool GetTableRef( int nInd, Point3d& ptPos) const = 0 ;
       virtual bool GetTableArea( int nInd, BBox3d& b3Area) const = 0 ;
       virtual bool GetTableAreaOffset( int nInd, BBox3d& b3Area) const = 0 ;
+      virtual bool ChangeTable( const std::string& sTable, bool bUpdateDisp) = 0 ;
       virtual bool ShowOnlyTable( bool bVal) = 0 ;
       virtual int  AddFixture( const std::string& sName, const Point3d& ptPos, double dAngRotDeg, double dMov) = 0 ;
       virtual bool KeepFixture( int nFxtId, int nSouPhase) = 0 ;
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 9fb0bde..d966b2d 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -875,6 +875,7 @@ EXE_EXPORT bool ExeGetTable( std::string& sTable) ;
 EXE_EXPORT bool ExeGetTableRef( int nInd, Point3d& ptPos) ;
 EXE_EXPORT bool ExeGetTableArea( int nInd, BBox3d& b3Area) ;
 EXE_EXPORT bool ExeGetTableAreaOffset( int nInd, BBox3d& b3AreaOffs) ;
+EXE_EXPORT bool ExeChangeTable( const std::string& sTable, bool bUpdateDisp) ;
 EXE_EXPORT bool ExeShowOnlyTable( bool bVal) ;
 EXE_EXPORT int  ExeAddFixture( const std::string& sName, const Point3d& ptPos, double dAngRotDeg, double dMov) ;
 EXE_EXPORT bool ExeKeepFixture( int nFxtId, int nSouPhase) ;