diff --git a/WebWindowComplex/DTO/LivePayload.cs b/WebWindowComplex/DTO/LivePayload.cs
index ddf6f30..f1f3da8 100644
--- a/WebWindowComplex/DTO/LivePayload.cs
+++ b/WebWindowComplex/DTO/LivePayload.cs
@@ -11,6 +11,7 @@ namespace WebWindowComplex.DTO
     /// </summary>
     public class LivePayload
     {
+        #region Public Properties
 
         /// <summary>
         /// JWD Corrente
@@ -22,6 +23,36 @@ namespace WebWindowComplex.DTO
         /// </summary>
         public string SvgPreview { get; set; } = string.Empty;
 
+        #endregion Public Properties
+
+        #region Public Methods
+
+        /// <summary>
+        /// Override metodo di equality
+        /// </summary>
+        /// <param name="obj"></param>
+        /// <returns></returns>
+        public override bool Equals(object obj)
+        {
+            if (!(obj is LivePayload item))
+                return false;
+
+            if (CurrJwd != item.CurrJwd)
+                return false;
+            if (SvgPreview != item.SvgPreview)
+                return false;
+
+            return true;
+        }
+
+        /// <summary>
+        /// Override hash method
+        /// </summary>
+        /// <returns></returns>
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
 
         /// <summary>
         /// Verifica di validità del Payload (solo jwd)
@@ -32,5 +63,7 @@ namespace WebWindowComplex.DTO
             bool jwdOK = !string.IsNullOrEmpty(CurrJwd);
             return jwdOK;
         }
+
+        #endregion Public Methods
     }
-}
+}
\ No newline at end of file
diff --git a/WebWindowComplex/TableComp.razor.cs b/WebWindowComplex/TableComp.razor.cs
index 054ce9f..3019e57 100644
--- a/WebWindowComplex/TableComp.razor.cs
+++ b/WebWindowComplex/TableComp.razor.cs
@@ -63,6 +63,28 @@ namespace WebWindowComplex
 
         #endregion Public Properties
 
+        #region Public Methods
+
+        public void Dispose()
+        {
+            if (m_CurrWindow != null)
+            {
+                m_CurrWindow.OnPreview -= M_CurrWindow_OnPreview;
+                m_CurrWindow = null;
+            }
+        }
+
+        #endregion Public Methods
+
+        #region Protected Fields
+
+        /// <summary>
+        /// Dati live precedenti x comparazione
+        /// </summary>
+        protected LivePayload? prevLiveData = null;
+
+        #endregion Protected Fields
+
 #if false
         [Parameter]
         public string CurrJwd
@@ -179,19 +201,6 @@ namespace WebWindowComplex
         public string? IN_SelGlass { get; set; } = null;
 #endif
 
-        #region Public Methods
-
-        public void Dispose()
-        {
-            if (m_CurrWindow != null)
-            {
-                m_CurrWindow.OnPreview -= M_CurrWindow_OnPreview;
-                m_CurrWindow = null;
-            }
-        }
-
-        #endregion Public Methods
-
         #region Protected Enums
 
         protected enum CompileStep
@@ -689,22 +698,29 @@ namespace WebWindowComplex
         /// </summary>
         protected override async Task OnParametersSetAsync()
         {
+            bool updateSvg = false;
             // controllo elenchi BasePayload siano validi...
             if (ListPayload.IsValid())
             {
                 // controllo sia popolato anche per la componente LIVE
                 if (LiveData.IsValid())
                 {
-                    m_CurrJwd = LiveData.CurrJwd;
-                    m_SelSVG = LiveData.SvgPreview;
-                    // Aggiornati parametri di ingresso selezionati
-                    UpdateSelParameter();
-                    JsonWindow WindowFromJson = JsonConvert.DeserializeObject<JsonWindow>(m_CurrJwd, new PolymorphicJsonConverter()) ?? new JsonWindow("", "", "", "");
-                    setCurrWindow(WindowFromJson);
-                    //SOLO SE non sono in edit...
-                    if (!editLock)
+                    // SOLO SE modificato live data...
+                    if (prevLiveData == null || !prevLiveData.Equals(LiveData))
                     {
-                        currStep = CompileStep.Tree;
+                        prevLiveData = LiveData;
+                        m_CurrJwd = LiveData.CurrJwd;
+                        m_SelSVG = LiveData.SvgPreview;
+                        // Aggiornati parametri di ingresso selezionati
+                        UpdateSelParameter();
+                        JsonWindow WindowFromJson = JsonConvert.DeserializeObject<JsonWindow>(m_CurrJwd, new PolymorphicJsonConverter()) ?? new JsonWindow("", "", "", "");
+                        setCurrWindow(WindowFromJson);
+                        //SOLO SE non sono in edit...
+                        if (!editLock)
+                        {
+                            currStep = CompileStep.Tree;
+                        }
+                        updateSvg = true;
                     }
                 }
                 else if (CurrSelection != null && CurrSelection.Template != null)
@@ -719,11 +735,15 @@ namespace WebWindowComplex
                         setCurrWindow(WindowFromJson);
                         currStep = CompileStep.Template;
                     }
+                    updateSvg = true;
                 }
                 if (SashList.Count > 0)
                     currAnta = 0;
 
-                await DoPreviewSvg();
+                if (updateSvg)
+                {
+                    await DoPreviewSvg();
+                }
             }
         }
 
@@ -774,16 +794,24 @@ namespace WebWindowComplex
         /// </summary>
         protected void UpdateSelParameter()
         {
+            Sash.m_HardwareCompleteList = ListPayload.Hardware;
+            Sash.s_FamilyHardwareList = ListPayload.FamilyHardware;
             if (CurrSelection != null && CurrSelection.IsValid())
             {
                 SelFamilyHardware = CurrSelection.FamilyHardware;
                 SelColorMaterial = CurrSelection.ColorMaterial ?? "";
                 SelMaterial = CurrSelection.Material ?? "";
                 SelGlass = CurrSelection.Glass ?? "";
-                Sash.m_HardwareCompleteList = ListPayload.Hardware;
-                Sash.s_FamilyHardwareList = ListPayload.FamilyHardware;
                 Sash.s_SelFamilyHW = CurrSelection.FamilyHardware ?? "";
             }
+            else
+            {
+                // se ho elementi, seleziono la prima
+                if (ListPayload.FamilyHardware.Count > 0)
+                {
+                    Sash.s_SelFamilyHW = Sash.s_FamilyHardwareList.FirstOrDefault();
+                }
+            }
         }
 
         #endregion Protected Methods
diff --git a/WebWindowComplex/WebWindowComplex.csproj b/WebWindowComplex/WebWindowComplex.csproj
index 2048541..12fd4fa 100644
--- a/WebWindowComplex/WebWindowComplex.csproj
+++ b/WebWindowComplex/WebWindowComplex.csproj
@@ -6,7 +6,7 @@
     <TargetFramework>net8.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
-    <Version>2.7.10.715</Version>
+    <Version>2.7.10.717</Version>
     <Authors>Annamaria Sassi</Authors>
     <Company>Egalware</Company>
     <Description>Componente gestione Configurazioni avanzate Window per LUX</Description>
@@ -91,6 +91,13 @@
 
 
 
+
+
+
+
+
+
+
 
 
 
diff --git a/WebWindowComplex/Window.cs b/WebWindowComplex/Window.cs
index 279104f..ddfb77f 100644
--- a/WebWindowComplex/Window.cs
+++ b/WebWindowComplex/Window.cs
@@ -1316,28 +1316,31 @@ namespace WebWindowComplex
 
         public void RefreshHardwareList()
         {
-            m_HardwareList.Clear();
-            string sSashShape = FindSashShape();
-            string sOpeningType = ConvertOpeningType();
-            var iComp = StringComparison.InvariantCultureIgnoreCase;
-            var rawList = m_HardwareCompleteList
-                            .Where(x => x.Id == "000000" ||
-                                    (!string.IsNullOrEmpty(s_SelFamilyHW) && x.FamilyName.Equals(s_SelFamilyHW, iComp) && x.SashQty == nSashQty && x.Shape.Equals(sSashShape, iComp) && x.OpeningType.Equals(sOpeningType, iComp))
-                             )
-                            .ToList();
-            if (rawList != null && rawList.Count > 0)
+            if (m_HardwareCompleteList != null && m_HardwareCompleteList.Count > 0)
             {
-                m_HardwareList = new ObservableCollection<Hardware>(rawList);
-            }
-            else
-            {
-                m_HardwareList = new ObservableCollection<Hardware>();
-            }
+                m_HardwareList.Clear();
+                string sSashShape = FindSashShape();
+                string sOpeningType = ConvertOpeningType();
+                var iComp = StringComparison.InvariantCultureIgnoreCase;
+                var rawList = m_HardwareCompleteList
+                                .Where(x => x.Id == "000000" ||
+                                        (!string.IsNullOrEmpty(s_SelFamilyHW) && x.FamilyName.Equals(s_SelFamilyHW, iComp) && x.SashQty == nSashQty && x.Shape.Equals(sSashShape, iComp) && x.OpeningType.Equals(sOpeningType, iComp))
+                                 )
+                                .ToList();
+                if (rawList != null && rawList.Count > 0)
+                {
+                    m_HardwareList = new ObservableCollection<Hardware>(rawList);
+                }
+                else
+                {
+                    m_HardwareList = new ObservableCollection<Hardware>();
+                }
 #if false
             m_HardwareList = new ObservableCollection<Hardware>(from Hardware in m_HardwareCompleteList
                                                                 where Hardware.Id == "000000" || (Hardware.FamilyName == s_SelFamilyHW && Hardware.SashQty == nSashQty && Hardware.Shape == sSashShape && Hardware.OpeningType == sOpeningType)
                                                                 select Hardware); 
 #endif
+            }
         }
 
         internal void RefreshHardwareOptionList()
diff --git a/WebWindowConfigurator/WebWindowConfigurator.csproj b/WebWindowConfigurator/WebWindowConfigurator.csproj
index c9c2d43..64c7f5c 100644
--- a/WebWindowConfigurator/WebWindowConfigurator.csproj
+++ b/WebWindowConfigurator/WebWindowConfigurator.csproj
@@ -6,7 +6,7 @@
         <TargetFramework>net8.0</TargetFramework>
         <Nullable>enable</Nullable>
         <ImplicitUsings>enable</ImplicitUsings>
-        <Version>2.7.10.715</Version>
+        <Version>2.7.10.717</Version>
         <Authors>Annamaria Sassi</Authors>
         <Company>Egalware</Company>
         <Description>Componente gestione JWD per LUX</Description>
@@ -106,6 +106,13 @@
 
 
 
+
+
+
+
+
+
+