diff --git a/WebWindowComplex/Models/AreaDimension.cs b/WebWindowComplex/Models/AreaDimension.cs
index f289578..bd7505a 100644
--- a/WebWindowComplex/Models/AreaDimension.cs
+++ b/WebWindowComplex/Models/AreaDimension.cs
@@ -128,10 +128,11 @@ namespace WebWindowComplex.Models
                             //return Double.Round((m_dDimension / m_Parent.Width) * 100, 1);
                             return (dDimension  / dimTot) * 100;
                         }
-                        else
-                        {
-                            return Double.Round(CalculatePropVal(itemList, indexSash, dimTot));
-                        }
+                        return -1;
+                        //else
+                        //{
+                        //    return Double.Round(CalculatePropVal(itemList, indexSash, dimTot));
+                        //}
                     }
                 case MeasureTypes.PROPORTIONAL:
                     {
@@ -153,10 +154,11 @@ namespace WebWindowComplex.Models
                             //return Double.Round((m_dDimension * m_Parent.Width) / 100, 2);
                             return (dDimension * dimTot) / 100;
                         }
-                        else
-                        {
-                            return Double.Round(CalculatePropVal(itemList, indexSash, dimTot));
-                        }
+                        return -1;
+                        //else
+                        //{
+                        //    return Double.Round(CalculatePropVal(itemList, indexSash, dimTot));
+                        //}
                     }
             }
             return -1;
@@ -188,11 +190,13 @@ namespace WebWindowComplex.Models
         /// Metodo per ricalcolare i valori proporzionali a causa della modifica di uno
         /// </summary>
         /// <returns></returns>
-        internal double CalculatePropVal(List<AreaDimension> itemList, int indexArea, double widthTot)
+        internal List<AreaDimension> CalculatePropVal(List<AreaDimension> itemList, int indexArea, double widthTot)
         {
+            List <AreaDimension> ans = itemList;
             if (itemList.Where(m => m.MeasureType.Equals(MeasureTypes.PROPORTIONAL)).ToList().Count == 0)
             {
-                return 1;
+                ans.ElementAt(indexArea).SetDimension(1);
+                return ans;
             }
             List<double> absoluteValue = new List<double>();
             foreach (var item in itemList)
@@ -217,20 +221,20 @@ namespace WebWindowComplex.Models
                         if (absoluteValue.ElementAt(indexArea) <= absoluteValue.ElementAt(i))
                         {
                             var mcd = CalculateMCD(absoluteValue.ElementAt(indexArea), absoluteValue.ElementAt(i));
-                            itemList.ElementAt(i).SetDimension(absoluteValue.ElementAt(i) / mcd);
-                            itemList.ElementAt(indexArea).SetDimension(absoluteValue.ElementAt(indexArea) / mcd);
+                            ans.ElementAt(i).SetDimension(absoluteValue.ElementAt(i) / mcd);
+                            ans.ElementAt(indexArea).SetDimension(absoluteValue.ElementAt(indexArea) / mcd);
                         }
                         else
                         {
                             var mcd = CalculateMCD(absoluteValue.ElementAt(indexArea), absoluteValue.ElementAt(i));
-                            itemList.ElementAt(i).SetDimension(absoluteValue.ElementAt(i) / mcd);
-                            itemList.ElementAt(indexArea).SetDimension(absoluteValue.ElementAt(indexArea) / mcd);
+                            ans.ElementAt(i).SetDimension(absoluteValue.ElementAt(i) / mcd);
+                            ans.ElementAt(indexArea).SetDimension(absoluteValue.ElementAt(indexArea) / mcd);
                         }
                         break;
                     }
                 }
             }
-            return itemList.ElementAt(indexArea).dDimension;
+            return ans;
         }
 
         /// <summary>
diff --git a/WebWindowComplex/Models/Sash.cs b/WebWindowComplex/Models/Sash.cs
index 68d5924..d422fb4 100644
--- a/WebWindowComplex/Models/Sash.cs
+++ b/WebWindowComplex/Models/Sash.cs
@@ -1241,7 +1241,8 @@ namespace WebWindowComplex.Models
                                     {
                                         adList.Add(new AreaDimension(it.dDimension, it.SelMeasureType, it.Parent));
                                     }
-                                    foreach (var elem in split.ElemDimHorizList)
+                                    int minSubArea = split.ElemDimHorizList.Min(x=>x.nSubArea);
+                                    foreach (var elem in split.ElemDimHorizList.Where(x=>x.nSubArea == minSubArea))
                                     {
                                         widthGlass = widthGlass - elem.dDimension;
                                     }
@@ -1250,7 +1251,8 @@ namespace WebWindowComplex.Models
                                 }
                             case MeasureTypes.PERCENTAGE:
                                 {
-                                    foreach (var elem in split.ElemDimHorizList)
+                                    int minSubArea = split.ElemDimHorizList.Min(x => x.nSubArea);
+                                    foreach (var elem in split.ElemDimHorizList.Where(x => x.nSubArea == minSubArea))
                                     {
                                         dim = dim - elem.dDimension;
                                     }
diff --git a/WebWindowComplex/Models/SplitDimension.cs b/WebWindowComplex/Models/SplitDimension.cs
index 0b61be0..3068065 100644
--- a/WebWindowComplex/Models/SplitDimension.cs
+++ b/WebWindowComplex/Models/SplitDimension.cs
@@ -46,13 +46,15 @@ namespace WebWindowComplex.Models
                 double dimensionTot = 0;
                 List<SplitDimension> dimensions = new List<SplitDimension>();
                 Frame frame = m_Parent.ParentWindow.AreaList.FirstOrDefault() ?? new Frame(null, Parent.ParentWindow);
+                int subAreaVert = m_Parent.ElemDimVertList.Min(x => x.nSubArea);
+                int subAreaHoriz = m_Parent.ElemDimHorizList.Min(x => x.nSubArea);
                 double width = CalculateWidthSplitGroup(frame, frame.AvailWidthArea(), new AreaFound(-1, false)).m_Dimension;
-                foreach (var item in m_Parent.ElemDimVertList)
+                foreach (var item in m_Parent.ElemDimVertList.Where(x=>x.nSubArea == subAreaVert))
                 {
                     width = width - item.dDimension;
                 }
                 double height = (CalculateHeightSplitGroup(frame, frame.AvailHeightArea(), new AreaFound(-1, false))).m_Dimension;
-                foreach (var item in m_Parent.ElemDimHorizList)
+                foreach (var item in m_Parent.ElemDimHorizList.Where(x => x.nSubArea == subAreaHoriz))
                 {
                     height = height - item.dDimension;
                 }
@@ -308,7 +310,14 @@ namespace WebWindowComplex.Models
                         {
                             dimSplitGroup = dimSplitGroup - item.dDimension;
                         }
-                        m_dDimension = ad.ConvertDimension(adList, m_SelMeasureType, newType, dimSplitGroup, splitList.IndexOf(this));
+                        if (newType is MeasureTypes.PROPORTIONAL)
+                        {
+                            adList = ad.CalculatePropVal(adList, splitList.IndexOf(this), dimSplitGroup);
+                            for (int i = 0; i < adList.Count; i++)
+                                splitList.ElementAt(i).SetDimension(adList.ElementAt(i).dDimension);
+                        }
+                        else
+                            m_dDimension = ad.ConvertDimension(adList, m_SelMeasureType, newType, dimSplitGroup, splitList.IndexOf(this));
                         m_SelMeasureType = (MeasureTypes)value;
                     }
                 }
diff --git a/WebWindowComplex/WebWindowComplex.csproj b/WebWindowComplex/WebWindowComplex.csproj
index 528bfa1..0a73b47 100644
--- a/WebWindowComplex/WebWindowComplex.csproj
+++ b/WebWindowComplex/WebWindowComplex.csproj
@@ -6,7 +6,7 @@
     <TargetFramework>net8.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
-    <Version>3.1.3.515</Version>
+    <Version>3.1.3.517</Version>
     <Authors>Annamaria Sassi</Authors>
     <Company>Egalware</Company>
     <Description>Componente gestione Configurazioni avanzate Window per LUX</Description>
@@ -281,6 +281,10 @@
 
 
 
+
+
+
+
 
 
 
diff --git a/WebWindowConfigurator/WebWindowConfigurator.csproj b/WebWindowConfigurator/WebWindowConfigurator.csproj
index f58d06c..1369e15 100644
--- a/WebWindowConfigurator/WebWindowConfigurator.csproj
+++ b/WebWindowConfigurator/WebWindowConfigurator.csproj
@@ -6,7 +6,7 @@
         <TargetFramework>net8.0</TargetFramework>
         <Nullable>enable</Nullable>
         <ImplicitUsings>enable</ImplicitUsings>
-        <Version>3.1.3.515</Version>
+        <Version>3.1.3.517</Version>
         <Authors>Annamaria Sassi</Authors>
         <Company>Egalware</Company>
         <Description>Componente gestione JWD per LUX</Description>
@@ -227,6 +227,12 @@
 
 
 
+
+
+
+
+
+