diff --git a/Constants/ConstIni.vb b/Constants/ConstIni.vb
index 784e6aa..c35f867 100644
--- a/Constants/ConstIni.vb
+++ b/Constants/ConstIni.vb
@@ -77,6 +77,7 @@ Module ConstIni
 
    Public Const S_COMPO As String = "Compo"
    Public Const K_COMPODIR As String = "CompoDir"
+   Public Const K_SIDEMODE As String = "SideMode"
 
    Public Const S_FLATPARTS As String = "FlatParts"
    Public Const K_FLPCURRDIR As String = "CurrDir"
diff --git a/OptionWindow/OptionWindowV.xaml b/OptionWindow/OptionWindowV.xaml
index 78a16aa..af8d33a 100644
--- a/OptionWindow/OptionWindowV.xaml
+++ b/OptionWindow/OptionWindowV.xaml
@@ -10,6 +10,10 @@
          <ColumnDefinition Width="1*"/>
          <ColumnDefinition Width="1*"/>
       </Grid.ColumnDefinitions>
+      <Grid.RowDefinitions>
+         <RowDefinition Height="Auto"/>
+         <RowDefinition Height="Auto"/>
+      </Grid.RowDefinitions>
       
       <GroupBox Header="{Binding CurrentLanguageMsg}"
                 Grid.Column="0" Margin="0,0,5,5">
@@ -27,7 +31,14 @@
                    SelectedIndex="{Binding SelMeasureUnit}"
                    Height="25"/>
       </GroupBox>
-      
+
+      <GroupBox Header="{Binding SideAngleHdr}"
+                Grid.Row="1" Margin="0,0,5,5">
+         <ComboBox ItemsSource="{Binding SideModeList, Mode=OneWay}"
+                   SelectedIndex="{Binding SelSideModeIndex}"
+                   Height="25"/>
+      </GroupBox>
+
    </Grid>
 
 </EgtWPFLib5:EgtCustomWindow>
diff --git a/OptionWindow/OptionWindowVM.vb b/OptionWindow/OptionWindowVM.vb
index 2136c66..8c808ee 100644
--- a/OptionWindow/OptionWindowVM.vb
+++ b/OptionWindow/OptionWindowVM.vb
@@ -33,6 +33,26 @@ Public Class OptionWindowVM
       End Get
    End Property
 
+   Private m_SideModeList As List(Of String)
+   Public ReadOnly Property SideModeList As List(Of String)
+      Get
+         Return m_SideModeList
+      End Get
+   End Property
+
+   Private m_SelSideModeIndex As Integer
+   Public Property SelSideModeIndex As Integer
+      Get
+         Return m_SelSideModeIndex
+      End Get
+      Set(value As Integer)
+         If value <> m_SelSideModeIndex Then
+            m_SelSideModeIndex = value
+            WriteMainPrivateProfileString(S_COMPO, K_SIDEMODE, m_SelSideModeIndex)
+         End If
+      End Set
+   End Property
+
    Public Property SelMeasureUnit As Integer
       Get
          Return If(EgtUiUnitsAreMM(), MeasureUnitOpt.MM, MeasureUnitOpt.INCH)
@@ -78,6 +98,12 @@ Public Class OptionWindowVM
       End Get
    End Property
 
+   Public ReadOnly Property SideAngleHdr As String
+      Get
+         Return EgtMsg(MSG_OPTIONSPAGEUC + 5)
+      End Get
+   End Property
+
 #End Region
 
 #End Region    ' FIELDS & PROPERTIES
@@ -99,6 +125,10 @@ Public Class OptionWindowVM
          End If
          nIndex += 1
       End While
+      ' Carico messaggi per lista tipologie di definizione angolo d'inclinazione
+      m_SideModeList = New List(Of String)({EgtMsg(MSG_OPTIONSPAGEUC + 6), EgtMsg(MSG_OPTIONSPAGEUC + 7)})
+      ' Carico valore da file ini
+      m_SelSideModeIndex = GetMainPrivateProfileInt(S_COMPO, K_SIDEMODE, 0)
    End Sub
 
 #End Region    ' CONSTRUCTOR
diff --git a/SideEntityControl/SideEntityControlV.xaml b/SideEntityControl/SideEntityControlV.xaml
index 3f3acce..14a3e5e 100644
--- a/SideEntityControl/SideEntityControlV.xaml
+++ b/SideEntityControl/SideEntityControlV.xaml
@@ -16,13 +16,17 @@
                   <TextBlock Text="{Binding sEntityName}" VerticalAlignment="Center"/>
                   <CheckBox IsChecked="{Binding bIsChecked}"
                             Grid.Column="1"
+                            Visibility="{Binding Check_Visibility}"
                             HorizontalAlignment="Center"/>
+                  <EgtWPFLib5:EgtTextBox Text="{Binding GrphSideAngle}"
+                           Grid.Column="1"
+                           Visibility="{Binding Value_Visibility}"/>
                </Grid>
             </DataTemplate>
          </ItemsControl.ItemTemplate>
       </ItemsControl>
 
-      <Grid Margin="0,0,0,5">
+      <Grid Margin="0,0,0,5" Visibility="{Binding Parameter1_Visibility}">
          <Grid.ColumnDefinitions>
             <ColumnDefinition Width="1.8*"/>
             <ColumnDefinition Width="1.2*"/>
diff --git a/SideEntityControl/SideEntityControlVM.vb b/SideEntityControl/SideEntityControlVM.vb
index bb5fcc8..8393f12 100644
--- a/SideEntityControl/SideEntityControlVM.vb
+++ b/SideEntityControl/SideEntityControlVM.vb
@@ -23,6 +23,8 @@ Public Class SideEntityControlVM
    ' Variabile che indica se sono in sideangle o drip
    Friend m_Mode As ModeOpt
 
+   Friend Shared m_SideAngleCheck As Boolean = False
+
    ' Lista di tutte le entità inclinabili presenti nel progetto
    Private m_SideEntityList As ObservableCollection(Of SideEntity)
    Public Property SideEntityList As ObservableCollection(Of SideEntity)
@@ -45,6 +47,21 @@ Public Class SideEntityControlVM
       End Set
    End Property
 
+   Private m_Parameter1_Visibility As Visibility
+   Public ReadOnly Property Parameter1_Visibility As Visibility
+      Get
+         If m_Mode = ModeOpt.SIDEANGLE Then
+            If m_SideAngleCheck Then
+               Return Visibility.Visible
+            Else
+               Return Visibility.Collapsed
+            End If
+         Else
+            Return Visibility.Visible
+         End If
+      End Get
+   End Property
+
    Private m_Parameter1 As Double
    Public Property Parameter1 As String
       Get
@@ -155,6 +172,7 @@ Public Class SideEntityControlVM
       m_Mode = Mode
       m_SideEntityList = If(IsNothing(SideEntityList), New ObservableCollection(Of SideEntity), New ObservableCollection(Of SideEntity)(SideEntityList))
       NotifyPropertyChanged("SideEntityList")
+      m_SideAngleCheck = If(GetMainPrivateProfileInt(S_COMPO, K_SIDEMODE, 0) = 0, True, False)
       If CallingWindow = CallingWindowOpt.COMPO Then
 
          ' Imposto contesto corrente
@@ -480,13 +498,13 @@ Public Class SideEntityControlVM
       Dim sEntityName As String = String.Empty
       EgtGetName(CurrLine, sEntityName)
       If m_CallingWindow = CallingWindowOpt.COMPO Then
-         m_SideEntityList.Add(New SideAngleEntity(CurrLine, sEntityName, TextLayer, 0))
+         m_SideEntityList.Add(New SideAngleEntity(CurrLine, sEntityName, TextLayer, 0, m_Mode))
          ' Cancello inclinazione nell'apposito campo info
          EgtRemoveInfo(CurrLine, INFO_SIDE_ANGLE)
          ' Creo testo con angolo di inclinazione 0
          AddTextToLine(sEntityName & " = 0°", TextLayer, CurrLine, 10, dBBoxRad, True)
       Else
-         m_SideEntityList.Add(New SideAngleEntity(CurrLine, sEntityName, TextLayer, dSideAngleVal))
+         m_SideEntityList.Add(New SideAngleEntity(CurrLine, sEntityName, TextLayer, dSideAngleVal, m_Mode))
          ' Creo testo con angolo di inclinazione 0
          AddTextToLine(sEntityName & " = " & DoubleToString(dSideAngleVal, 1) & "°", TextLayer, CurrLine, 10, dBBoxRad, True)
       End If
@@ -507,13 +525,13 @@ Public Class SideEntityControlVM
       Dim sEntityName As String = String.Empty
       EgtGetName(CurrLine, sEntityName)
       If m_CallingWindow = CallingWindowOpt.COMPO Then
-         m_SideEntityList.Add(New DripEntity(CurrLine, sEntityName, TextLayer, False))
+         m_SideEntityList.Add(New DripEntity(CurrLine, sEntityName, TextLayer, False, m_Mode))
          ' Cancello gocciolatoio nell'apposito campo info
          EgtRemoveInfo(CurrLine, INFO_HAVE_DRIP)
          ' Creo testo entità
          AddTextToLine(sEntityName, TextLayer, CurrLine, 10, dBBoxRad, True)
       Else
-         m_SideEntityList.Add(New DripEntity(CurrLine, sEntityName, TextLayer, bHaveDripVal))
+         m_SideEntityList.Add(New DripEntity(CurrLine, sEntityName, TextLayer, bHaveDripVal, m_Mode))
          ' Creo testo con angolo di inclinazione 0
          AddTextToLine(sEntityName, TextLayer, CurrLine, 10, dBBoxRad, True)
       End If
@@ -816,12 +834,43 @@ Public MustInherit Class SideEntity
       End Get
    End Property
 
+   Private m_Mode As SideEntityControlVM.ModeOpt
+   Public ReadOnly Property Value_Visibility As Visibility
+      Get
+         If m_Mode = SideEntityControlVM.ModeOpt.SIDEANGLE Then
+            If SideEntityControlVM.m_SideAngleCheck Then
+               Return Visibility.Collapsed
+            Else
+               Return Visibility.Visible
+            End If
+         Else
+            Return Visibility.Visible
+         End If
+      End Get
+   End Property
+
+   'Private m_Check_Visibility As Visibility
+   Public ReadOnly Property Check_Visibility As Visibility
+      Get
+         If m_Mode = SideEntityControlVM.ModeOpt.SIDEANGLE Then
+            If SideEntityControlVM.m_SideAngleCheck Then
+               Return Visibility.Visible
+            Else
+               Return Visibility.Collapsed
+            End If
+         Else
+            Return Visibility.Visible
+         End If
+      End Get
+   End Property
+
    Public MustOverride Property bIsChecked As Boolean
 
-   Sub New(nId As Integer, sEntityName As String, nTextId As Integer)
+   Sub New(nId As Integer, sEntityName As String, nTextId As Integer, Mode As SideEntityControlVM.ModeOpt)
       m_nGeomId = nId
       m_sEntityName = sEntityName
       m_nTextId = nTextId
+      m_Mode = Mode
    End Sub
 
 End Class
@@ -834,6 +883,25 @@ Friend Class SideAngleEntity
    Friend Shared m_RefreshSideAngleText As Action
 
    Private m_dSideAngle As Double
+   Public Property GrphSideAngle As String
+      Get
+         Return DoubleToString(m_dSideAngle, 2)
+      End Get
+      Set(value As String)
+         If value <> m_dSideAngle Then
+            If Not String.IsNullOrWhiteSpace(value) Then
+               StringToDouble(value, m_dSideAngle)
+            Else
+               ' altrimenti lo imposto a zero
+               m_dSideAngle = 0
+            End If
+            ' Lo modifico nella geometria e nella lista inclinazioni
+            m_ModifySideAngle(sEntityName, dSideAngle)
+            ' Aggiorno tutti i testi
+            m_RefreshSideAngleText()
+         End If
+      End Set
+   End Property
    Public Property dSideAngle As Double
       Get
          Return m_dSideAngle
@@ -864,8 +932,8 @@ Friend Class SideAngleEntity
       End Set
    End Property
 
-   Sub New(nId As Integer, sEntityName As String, nTextId As Integer, dSideAngle As Double)
-      MyBase.New(nId, sEntityName, nTextId)
+   Sub New(nId As Integer, sEntityName As String, nTextId As Integer, dSideAngle As Double, Mode As SideEntityControlVM.ModeOpt)
+      MyBase.New(nId, sEntityName, nTextId, Mode)
       m_dSideAngle = dSideAngle
    End Sub
 
@@ -906,8 +974,8 @@ Friend Class DripEntity
       End Set
    End Property
 
-   Sub New(nId As Integer, sEntityName As String, nTextId As Integer, bHaveDrip As Boolean)
-      MyBase.New(nId, sEntityName, nTextId)
+   Sub New(nId As Integer, sEntityName As String, nTextId As Integer, bHaveDrip As Boolean, Mode As SideEntityControlVM.ModeOpt)
+      MyBase.New(nId, sEntityName, nTextId, Mode)
       m_bHaveDrip = bHaveDrip
    End Sub