diff --git a/Compile.bat b/Compile.bat
index c0f2d30..56d5864 100644
--- a/Compile.bat
+++ b/Compile.bat
@@ -1,17 +1,18 @@
 
-REM Compilazione degli script BeamWall Egaltech                       2025.07.24
+REM Compilazione degli script BeamWall Egaltech                       2025.10.11
 REM Per togliere info di debug aggiungere flag -s prima del nome del file di input
 
 REM Compilazione 32 e 64 bit
 
 erase bin\*.lua
 
-\EgtProg\Dll32\luac54 -o bin\ClearProcess.lua                          ClearProcess.lua
-\EgtProg\Dll32\luac54 -o bin\DisableFeatures.lua                       DisableFeatures.lua
-\EgtProg\Dll32\luac54 -o bin\EnableFeatures.lua                        EnableFeatures.lua
-\EgtProg\Dll32\luac54 -o bin\HideAll.lua                               HideAll.lua
-\EgtProg\Dll32\luac54 -o bin\ShowAll.lua                               ShowAll.lua
-\EgtProg\Dll32\luac54 -o bin\ShowBuilding.lua                          ShowBuilding.lua
-\EgtProg\Dll32\luac54 -o bin\ShowNesting.lua                           ShowNesting.lua
-\EgtProg\Dll32\luac54 -o bin\ShowSolid.lua                             ShowSolid.lua
-\EgtProg\Dll32\luac54 -o bin\SolidProcess.lua                          SolidProcess.lua
\ No newline at end of file
+\EgtProg\Dll32\luac54 -o bin\ClearProcess.lua                          -s ClearProcess.lua
+\EgtProg\Dll32\luac54 -o bin\DisableFeatures.lua                       -s DisableFeatures.lua
+\EgtProg\Dll32\luac54 -o bin\EnableFeatures.lua                        -s EnableFeatures.lua
+\EgtProg\Dll32\luac54 -o bin\HideAll.lua                               -s HideAll.lua
+\EgtProg\Dll32\luac54 -o bin\ShowAll.lua                               -s ShowAll.lua
+\EgtProg\Dll32\luac54 -o bin\ShowBuilding.lua                          -s ShowBuilding.lua
+\EgtProg\Dll32\luac54 -o bin\ShowNesting.lua                           -s ShowNesting.lua
+\EgtProg\Dll32\luac54 -o bin\ShowSolid.lua                             -s ShowSolid.lua
+\EgtProg\Dll32\luac54 -o bin\SolidProcess.lua                          -s SolidProcess.lua
+\EgtProg\Dll32\luac54 -o bin\Version.lua                               -s Version.lua
diff --git a/ShowBuilding.lua b/ShowBuilding.lua
index 6bafc63..45c92d0 100644
--- a/ShowBuilding.lua
+++ b/ShowBuilding.lua
@@ -1,4 +1,4 @@
--- ShowBuilding.lua by Egaltech s.r.l. 2025/07/24
+-- ShowBuilding.lua by Egaltech s.r.l. 2025/10/11
 -- Gestione visualizzazione travi come struttura
 
 -- Intestazioni
@@ -6,18 +6,54 @@ require( 'EgtBase')
 _ENV = EgtProtectGlobal()
 EgtEnableDebug( false)
 
--- Verifico se previsto assemblaggio
-local AsseBaseId = EgtGetFirstNameInGroup( GDB_ID.ROOT, 'AsseBase')
-if not AsseBaseId or EgtGetGroupObjs( AsseBaseId) == 0 then
-   EgtOutBox( "There is no building", 'ShowBuilding', 'WARNING', 'OK')
+-- Recupero elenco assemblaggi presenti
+local AsseBaseId = EgtGetNameInGroup( GDB_ID.ROOT, 'AsseBase')
+for i = #AsseBaseId, 1, -1 do
+   if EgtGetGroupObjs( AsseBaseId[i]) == 0 then
+      table.remove( AsseBaseId, i)
+   end
+end
+
+-- Se nessun assemblaggio, esco con avvertimento
+if #AsseBaseId == 0 then
+   EgtOutBox( "There are no assemblies", 'ShowBuilding', 'WARNING', 'OK')
    return
 end
 
--- Recupero l'attivazione dell'assemblaggio
-local bOn = EgtBeamGetBuildingIsOn()
+-- Se un solo assemblaggio
+if #AsseBaseId == 1 then
+   -- Recupero l'attivazione dell'assemblaggio
+   local bOn = EgtBeamGetBuildingIsOn()
+   -- Modifico lo stato dell'assemblaggio
+   EgtBeamShowBuilding( not bOn)
 
--- Modifico lo stato dell'assemblaggio
-EgtBeamShowBuilding( not bOn)
+-- altrimenti più assemblaggi
+else
+   -- Recupero gli assemblaggi attivi
+   local On = {}
+   for i = 1, #AsseBaseId do
+      if EgtBeamGetBuildingIsOn( AsseBaseId[i]) then
+         table.insert( On, i)
+      end
+   end
+   -- Se almeno uno attivo, li spengo tutti
+   if #On > 0 then
+      for j = 1, #On do
+         EgtBeamShowBuilding( AsseBaseId[On[j]], false)
+      end
+   -- altrimenti chiedo quale attivare
+   else
+      local sCombo = 'CB:1'
+      for i = 2, #AsseBaseId do
+         sCombo = sCombo .. ',' .. tostring( i)
+      end
+      local Res = EgtDialogBox( 'Choose Assembly', { 'To Activate', sCombo}) 
+      if Res then
+         local nId = tonumber( Res[1])
+         EgtBeamShowBuilding( AsseBaseId[nId], true)
+      end
+   end
+end
 
 EgtZoom( SCE_ZM.ALL)
 
diff --git a/Version.lua b/Version.lua
new file mode 100644
index 0000000..feddbb5
--- /dev/null
+++ b/Version.lua
@@ -0,0 +1,6 @@
+-- Version.lua by Egaltech s.r.l. 2025/10/11
+-- Gestione della versione di Beam
+
+NAME = 'BeamWall'
+VERSION = '2.7j1'
+MIN_EXE = '2.7j1'