diff --git a/EgtBEAMWALL.Core/BTLViewModel/BTLFeatureVM.vb b/EgtBEAMWALL.Core/BTLViewModel/BTLFeatureVM.vb
index cffe203e..a2217508 100644
--- a/EgtBEAMWALL.Core/BTLViewModel/BTLFeatureVM.vb
+++ b/EgtBEAMWALL.Core/BTLViewModel/BTLFeatureVM.vb
@@ -163,7 +163,7 @@ Public Class BTLFeatureVM
 
    Public ReadOnly Property CALC_ROT_Visibility As Visibility
       Get
-         Return If(m_BTLFeatureM.nCALC_ROT <> 0, Visibility.Visible, Visibility.Collapsed)
+         Return If(m_BTLFeatureM.nCALC_ROT <> 0, Visibility.Visible, Visibility.Hidden)
       End Get
    End Property
 
diff --git a/EgtBEAMWALL.Core/MachGroupPanel/MyMachGroupVM.vb b/EgtBEAMWALL.Core/MachGroupPanel/MyMachGroupVM.vb
index 1a53d32e..bcae9b54 100644
--- a/EgtBEAMWALL.Core/MachGroupPanel/MyMachGroupVM.vb
+++ b/EgtBEAMWALL.Core/MachGroupPanel/MyMachGroupVM.vb
@@ -267,13 +267,13 @@ Public MustInherit Class MyMachGroupVM
 
    Public ReadOnly Property CALC_ROT_Visibility As Visibility
       Get
-         Return If(MyMachGroupM.nCALC_ROT <> 0, Visibility.Visible, Visibility.Collapsed)
+         Return If(MyMachGroupM.nCALC_ROT <> 0, Visibility.Visible, Visibility.Hidden)
       End Get
    End Property
 
    Public ReadOnly Property CALC_FALL_Visibility As Visibility
       Get
-         Return If(MyMachGroupM.nCALC_FALL <> 0, Visibility.Visible, Visibility.Collapsed)
+         Return If(MyMachGroupM.nCALC_FALL <> 0, Visibility.Visible, Visibility.Hidden)
       End Get
    End Property
 
diff --git a/EgtBEAMWALL.Core/MachGroupPanel/PartVM.vb b/EgtBEAMWALL.Core/MachGroupPanel/PartVM.vb
index 755bacb7..13592860 100644
--- a/EgtBEAMWALL.Core/MachGroupPanel/PartVM.vb
+++ b/EgtBEAMWALL.Core/MachGroupPanel/PartVM.vb
@@ -319,13 +319,13 @@ Public MustInherit Class PartVM
 
    Public ReadOnly Property CALC_ROT_Visibility As Visibility
       Get
-         Return If(m_PartM.nCALC_ROT <> 0, Visibility.Visible, Visibility.Collapsed)
+         Return If(m_PartM.nCALC_ROT <> 0, Visibility.Visible, Visibility.Hidden)
       End Get
    End Property
 
    Public ReadOnly Property CALC_FALL_Visibility As Visibility
       Get
-         Return If(m_PartM.nCALC_FALL <> 0, Visibility.Visible, Visibility.Collapsed)
+         Return If(m_PartM.nCALC_FALL <> 0, Visibility.Visible, Visibility.Hidden)
       End Get
    End Property
 
diff --git a/EgtBEAMWALL.Optimizer/ItemParamList/BTLPartListV.xaml.vb b/EgtBEAMWALL.Optimizer/ItemParamList/BTLPartListV.xaml.vb
index ff8c7932..61751e23 100644
--- a/EgtBEAMWALL.Optimizer/ItemParamList/BTLPartListV.xaml.vb
+++ b/EgtBEAMWALL.Optimizer/ItemParamList/BTLPartListV.xaml.vb
@@ -258,22 +258,20 @@ Public Class BTLPartListV
    End Sub
 
    Private Sub BTLPart_GridControl_PreviewKeyDown(sender As Object, e As KeyEventArgs)
-      Dim BTLStructureVM As BTLStructureVM = TryCast(Me.Tag, BTLStructureVM)
-      If IsNothing(BTLStructureVM) Then Return
+      If e.Key = Key.Delete Then
+         Dim BTLStructureVM As BTLStructureVM = TryCast(Me.Tag, BTLStructureVM)
+         If IsNothing(BTLStructureVM) Then Return
 
-      Dim SelBTLPart As BTLPartVM = BTLStructureVM.SelBTLPart
-      Dim SelBTLFeatureVM As BTLFeatureVM = SelBTLPart?.SelBTLFeatureVM
+         Dim SelBTLPart As BTLPartVM = BTLStructureVM.SelBTLPart
+         Dim SelBTLFeatureVM As BTLFeatureVM = SelBTLPart?.SelBTLFeatureVM
 
-      If bSelOnFeature AndAlso Not IsNothing(SelBTLFeatureVM) Then
-         If SelBTLFeatureVM.DeleteFeature_Command.CanExecute(Nothing) Then
-            SelBTLFeatureVM.DeleteFeature_Command.Execute(Nothing)
+         If bSelOnFeature AndAlso Not IsNothing(SelBTLFeatureVM) Then
+            SelBTLFeatureVM.DeleteFeature()
             e.Handled = True
+            Return
          End If
-         Return
-      End If
 
-      If BTLStructureVM.DeletePart_Command.CanExecute(Nothing) Then
-         BTLStructureVM.DeletePart_Command.Execute(Nothing)
+         BTLStructureVM.DeletePart()
          e.Handled = True
       End If
    End Sub
diff --git a/EgtBEAMWALL.Optimizer/ItemParamList/FeatureInPartInRawPartListV.xaml b/EgtBEAMWALL.Optimizer/ItemParamList/FeatureInPartInRawPartListV.xaml
index 41ff5584..ca78c0d3 100644
--- a/EgtBEAMWALL.Optimizer/ItemParamList/FeatureInPartInRawPartListV.xaml
+++ b/EgtBEAMWALL.Optimizer/ItemParamList/FeatureInPartInRawPartListV.xaml
@@ -23,7 +23,7 @@
       <dxg:GridControl.View>
          <dxg:TableView x:Name="FeatureVMList_TableView"  
                         ShowGridMenu="OnShowGridMenu"
-                                                   
+                        ShowTotalSummary="False"                           
                         ColumnHeaderStyle="{StaticResource HeaderStyle}"
                         ColumnHeaderImageStyle="{StaticResource HeaderImageStyle}"
                         
@@ -32,7 +32,7 @@
                         Style="{StaticResource TableViewStyle}"/>
       </dxg:GridControl.View>
       <dxg:GridColumn FieldName="bDO" 
-                      SortFieldName="bDO"
+                      AllowSorting="False"
                       Header=""
                       Fixed="Left"
                       Style="{StaticResource ColumnInfoStyle}">
@@ -56,40 +56,42 @@
                       AllowColumnFiltering="False">
          <dxg:GridColumn.CellTemplate>
             <DataTemplate>
-               <Grid>
+               <Grid Margin="5,0">
                   <Grid.ColumnDefinitions>
                      <ColumnDefinition Width="1*"/>
-                     <ColumnDefinition Width="10"/>
+                     <ColumnDefinition Width="12"/>
                   </Grid.ColumnDefinitions>
-                  <Border Width="{Binding ActualHeight, RelativeSource={RelativeSource self}}"
-                          Background="{Binding RowData.Row.Calc_Background}"/>
+                  <Border Background="{Binding RowData.Row.Calc_Background}"
+                          Style="{StaticResource Calc_Border}"/>
                   <Grid Grid.Column="1"
                         Style="{StaticResource FeatureInPartInRawPartList_Grid}">
                      <Grid.RowDefinitions>
                         <RowDefinition Height="1*"/>
                         <RowDefinition Height="Auto"/>
                      </Grid.RowDefinitions>
-                     <TextBlock Visibility="{Binding RowData.Row.CALC_ROT_Visibility}"
+                     <TextBlock Text="&#11119;"
+                                Visibility="{Binding RowData.Row.CALC_ROT_Visibility}"
                                 Style="{StaticResource CALC_ROT_TextBlock}"/>
                      <TextBlock Grid.Row="1"
                                 Text="{Binding RowData.Row.CALC_ERR_Letter}"
                                 Foreground="{Binding RowData.Row.CALC_ERR_Foreground}"
-                                Style="{StaticResource FeatureInPartInRawPartList_TextBlock}"/>
+                                Style="{StaticResource CALC_ERR_TextBlock}"/>
                   </Grid>
                </Grid>
             </DataTemplate>
          </dxg:GridColumn.CellTemplate>
       </dxg:GridColumn>
       <dxg:GridColumn FieldName="sDesc" 
+                      AllowSorting="False"
                       Header="{Binding Description_Msg}"
                       Style="{StaticResource ColumnInfoStyle}"/>
       <dxg:GridColumn FieldName="sPriority" 
                       Header="{Binding Priority_Msg}"
                       Style="{StaticResource ColumnInfoStyle}"/>
       <dxg:GridColumn FieldName="Strategy"
+                      AllowSorting="False"
                       Header=""
                       Image="{StaticResource HeaderEdit_Image}"
-                      AllowSorting="False"
                       Fixed="Right"
                       Style="{StaticResource ColumnButtonStyle}">
          <dxg:GridColumn.CellTemplate>
diff --git a/EgtBEAMWALL.Optimizer/ItemParamList/FeatureInPartInRawPartListV.xaml.vb b/EgtBEAMWALL.Optimizer/ItemParamList/FeatureInPartInRawPartListV.xaml.vb
index 5aedaff0..c41bfd6a 100644
--- a/EgtBEAMWALL.Optimizer/ItemParamList/FeatureInPartInRawPartListV.xaml.vb
+++ b/EgtBEAMWALL.Optimizer/ItemParamList/FeatureInPartInRawPartListV.xaml.vb
@@ -48,7 +48,7 @@ Public Class FeatureInPartInRawPartListV
    End Sub
 
    ' salvataggio del layout colonne
-   Public Sub SaveStatisticGridControlLayout()
+   Public Sub SaveFeatureInPartInRawPartGridControlLayout()
       FeatureVMList_GridControl.SaveLayoutToJson(m_sDataGridLayoutPath)
    End Sub
 
@@ -56,7 +56,7 @@ Public Class FeatureInPartInRawPartListV
       ' imposto DataContext
       m_FeatureInPartInRawPartListVM = Me.DataContext
       ' imposto riferimento ad action per salvataggio layout tabella
-      m_FeatureInPartInRawPartListVM.refFeatureInPartInRawPartListGridControlLayout = AddressOf SaveStatisticGridControlLayout
+      m_FeatureInPartInRawPartListVM.refSaveFeatureInPartInRawPartGridControlLayout = AddressOf SaveFeatureInPartInRawPartGridControlLayout
       ' rispristino layout tabella
       If Not IsNothing(m_sDataGridLayoutPath) AndAlso File.Exists(m_sDataGridLayoutPath) Then
          FeatureVMList_GridControl.RestoreLayoutFromJson(m_sDataGridLayoutPath)
diff --git a/EgtBEAMWALL.Optimizer/ItemParamList/FeatureInPartInRawPartListVM.vb b/EgtBEAMWALL.Optimizer/ItemParamList/FeatureInPartInRawPartListVM.vb
index bc7a1730..f7ffb8d9 100644
--- a/EgtBEAMWALL.Optimizer/ItemParamList/FeatureInPartInRawPartListVM.vb
+++ b/EgtBEAMWALL.Optimizer/ItemParamList/FeatureInPartInRawPartListVM.vb
@@ -8,7 +8,7 @@ Public Class FeatureInPartInRawPartListVM
 
 #Region "FIELDS & PROPERTIES"
 
-   Public refFeatureInPartInRawPartListGridControlLayout As Action
+   Public refSaveFeatureInPartInRawPartGridControlLayout As Action
 
    Private m_colFeatureInPartInRawPart_Do As EgwWPFBaseLib.ColumnLayout
    Public ReadOnly Property colFeatureInPartInRawPart_Do As EgwWPFBaseLib.ColumnLayout
@@ -80,6 +80,12 @@ Public Class FeatureInPartInRawPartListVM
       End If
    End Sub
 
+   Friend Sub Close()
+      If Not IsNothing(refSaveFeatureInPartInRawPartGridControlLayout) Then
+         refSaveFeatureInPartInRawPartGridControlLayout()
+      End If
+   End Sub
+
 #End Region    ' Methods
 
 End Class
diff --git a/EgtBEAMWALL.Optimizer/ItemParamList/RawPartListV.xaml b/EgtBEAMWALL.Optimizer/ItemParamList/RawPartListV.xaml
index 78ec457b..a73fe750 100644
--- a/EgtBEAMWALL.Optimizer/ItemParamList/RawPartListV.xaml
+++ b/EgtBEAMWALL.Optimizer/ItemParamList/RawPartListV.xaml
@@ -25,6 +25,7 @@
             <dxg:TableView x:Name="RawPart_TableView"
                            ShowGridMenu="OnShowGridMenu"
                            PreviewKeyDown="RawPart_TableView_PreviewKeyDown"
+                           ShowTotalSummary="True"
 
                            ColumnHeaderStyle="{StaticResource HeaderStyle}"
                            ColumnHeaderImageStyle="{StaticResource HeaderImageStyle}"
@@ -61,11 +62,13 @@
 
                   </dxg:GridControl.View>
                   <dxg:GridColumn FieldName="nPDN" 
+                                  AllowSorting="False" 
                                   Header="{Binding PDN_Msg}"
                                   Fixed="Left"
                                   AllowEditing="False"
                                   Style="{StaticResource ColumnInfoStyle}"/>
                   <dxg:GridColumn FieldName="GlobalState"
+                                  AllowSorting="False" 
                                   Header=""
                                   SortFieldName="nGlobalState"
                                   AllowColumnFiltering="False"
@@ -90,13 +93,13 @@
                                     <ColumnDefinition Width="1*"/>
                                     <ColumnDefinition Width="Auto"/>
                                  </Grid.ColumnDefinitions>
-                                 <TextBlock Grid.ColumnSpan="2"
+                                 <TextBlock Text="&#11119;"
                                             Visibility="{Binding RowData.Row.CALC_ROT_Visibility}"
-                                            Style="{StaticResource CALC_ROTFeatureRawPartList_TextBlock}"/>
+                                            Style="{StaticResource CALC_ROT_TextBlock}"/>
                                  <TextBlock Grid.Column="1"
                                             Text="{Binding RowData.Row.CALC_ERR_Letter}"
                                             Foreground="{Binding RowData.Row.CALC_ERR_Foreground}"
-                                            Style="{StaticResource CALC_ERRRawPartList_TextBlock}"/>
+                                            Style="{StaticResource CALC_ERR_TextBlock}"/>
                               </Grid>
                            </Grid>
                         </DataTemplate>
@@ -109,7 +112,7 @@
                                   AllowEditing="False"
                                   Style="{StaticResource ColumnInfoStyle}"/>
                   <dxg:GridColumn FieldName="sL"
-                                  SortFieldName="dL"
+                                  AllowSorting="False" 
                                   Header="{Binding L_Msg}"
                                   AllowColumnFiltering="False"
                                   AllowEditing="False"
@@ -164,19 +167,19 @@
                      </dxg:GridColumn.CellTemplate>
                   </dxg:GridColumn>
                   <dxg:GridColumn FieldName="sPOSX" 
-                                  SortFieldName="dPOSX"
+                                  AllowSorting="False" 
                                   Header="{Binding PosX_Msg}"
                                   AllowColumnFiltering="False"
                                   AllowEditing="False"
                                   Style="{StaticResource ColumnInfoStyle}"/>
                   <dxg:GridColumn FieldName="sPOSY" 
-                                  SortFieldName="dPOSY"
+                                  AllowSorting="False" 
                                   Header="{Binding PosY_Msg}"
                                   AllowColumnFiltering="False"
                                   AllowEditing="False"
                                   Style="{StaticResource ColumnInfoStyle}"/>
                   <dxg:GridColumn FieldName="sOffset" 
-                                  SortFieldName="dOffset"
+                                  AllowSorting="False" 
                                   Header="{Binding Offset_Msg}"
                                   AllowColumnFiltering="False"
                                   Style="{StaticResource ColumnInfoStyle}">
@@ -185,6 +188,7 @@
                      </dxg:GridColumn.EditSettings>
                   </dxg:GridColumn>
                   <dxg:GridColumn FieldName="sMATERIAL"
+                                  AllowSorting="False" 
                                   Header="{Binding MAT_Msg}"
                                   AllowEditing="False"
                                   Style="{StaticResource ColumnInfoStyle}"/>
@@ -286,11 +290,11 @@
                         </Grid.RowDefinitions>
                         <TextBlock Text="&#11119;"
                                    Visibility="{Binding RowData.Row.CALC_ROT_Visibility}"
-                                   Style="{StaticResource CALC_ROTRawPartList_TextBlock}"/>
+                                   Style="{StaticResource CALC_ROT_TextBlock}"/>
                         <TextBlock Grid.Row="1"
                                     Text="{Binding RowData.Row.CALC_ERR_Letter}"
                                     Foreground="{Binding RowData.Row.CALC_ERR_Foreground}"
-                                    Style="{StaticResource FeatureInPartInRawPartList_TextBlock}"/>
+                                    Style="{StaticResource CALC_ERR_TextBlock}"/>
                      </Grid>
                   </Grid>
                </DataTemplate>
diff --git a/EgtBEAMWALL.Optimizer/ItemParamList/RawPartListV.xaml.vb b/EgtBEAMWALL.Optimizer/ItemParamList/RawPartListV.xaml.vb
index 9b28bf8e..e68fa739 100644
--- a/EgtBEAMWALL.Optimizer/ItemParamList/RawPartListV.xaml.vb
+++ b/EgtBEAMWALL.Optimizer/ItemParamList/RawPartListV.xaml.vb
@@ -272,22 +272,20 @@ Public Class RawPartListV
    End Sub
 
    Private Sub RawPart_TableView_PreviewKeyDown(sender As Object, e As KeyEventArgs)
-      Dim MyMachGroupPanelVM As MyMachGroupPanelVM = TryCast(Me.Tag, MyMachGroupPanelVM)
-      If IsNothing(MyMachGroupPanelVM) Then Return
+      If e.Key = Key.Delete Then
+         Dim MyMachGroupPanelVM As MyMachGroupPanelVM = TryCast(Me.Tag, MyMachGroupPanelVM)
+         If IsNothing(MyMachGroupPanelVM) Then Return
 
-      Dim SelectedMachGroup As MyMachGroupVM = MyMachGroupPanelVM.SelectedMachGroup
-      Dim SelPart As PartVM = SelectedMachGroup?.SelPart
+         Dim SelectedMachGroup As MyMachGroupVM = MyMachGroupPanelVM.SelectedMachGroup
+         Dim SelPart As PartVM = SelectedMachGroup?.SelPart
 
-      If Map.refMachGroupPanelVM.bSelOnPart AndAlso Not IsNothing(SelPart) Then
-         If SelPart.RemovePart_Command.CanExecute(Nothing) Then
-            SelPart.RemovePart_Command.Execute(Nothing)
+         If MyMachGroupPanelVM.bSelOnPart AndAlso Not IsNothing(SelPart) Then
+            SelPart.RemovePart()
             e.Handled = True
+            Return
          End If
-         Return
-      End If
 
-      If SelectedMachGroup.RemoveRawPart_Command.CanExecute(Nothing) Then
-         SelectedMachGroup.RemoveRawPart_Command.Execute(Nothing)
+         SelectedMachGroup.RemoveRawPart()
          e.Handled = True
       End If
    End Sub
diff --git a/EgtBEAMWALL.Optimizer/MainWindow/MainWindowVM.vb b/EgtBEAMWALL.Optimizer/MainWindow/MainWindowVM.vb
index 7ea4f24c..ded21171 100644
--- a/EgtBEAMWALL.Optimizer/MainWindow/MainWindowVM.vb
+++ b/EgtBEAMWALL.Optimizer/MainWindow/MainWindowVM.vb
@@ -432,7 +432,7 @@ Public Class MainWindowVM
          EgwWPFBaseLib.EgwDataGrid.WriteColumnLayout(DataGridColumnsIniFile.m_sDataGridColumnsIniFile, DataGridColumnDictionary)
          Map.refPartListVM.Close()
          Map.refRawPartListVM.Close()
-
+         Map.refFeatureInPartInRawPartListVM.Close()
       End If
       ' Termino il Model
       m_MainWindowM.Close()
diff --git a/EgtBEAMWALL.Optimizer/Project/ProjectVM.vb b/EgtBEAMWALL.Optimizer/Project/ProjectVM.vb
index 8b322b75..49833d67 100644
--- a/EgtBEAMWALL.Optimizer/Project/ProjectVM.vb
+++ b/EgtBEAMWALL.Optimizer/Project/ProjectVM.vb
@@ -204,7 +204,6 @@ Public Class ProjectVM
    End Property
    Friend Sub SetFeatureListVisibility(bVisible As Boolean)
       m_FeatureList_Visibility = If(bVisible, Visibility.Visible, Visibility.Collapsed)
-      If Not m_FeatureList_Visibility Then Map.refFeatureInPartInRawPartListVM.refFeatureInPartInRawPartListGridControlLayout()
       NotifyPropertyChanged(NameOf(FeatureList_Visibility))
    End Sub
 
diff --git a/EgtBEAMWALL.Optimizer/Utility/Dictionary.xaml b/EgtBEAMWALL.Optimizer/Utility/Dictionary.xaml
index bfc98f54..1989da43 100644
--- a/EgtBEAMWALL.Optimizer/Utility/Dictionary.xaml
+++ b/EgtBEAMWALL.Optimizer/Utility/Dictionary.xaml
@@ -2842,7 +2842,7 @@
       <Setter Property="NavigationStyle" Value="Cell"/>
       <Setter Property="RowMinHeight" Value="28"/>
       <Setter Property="ShowGroupPanel" Value="False"/>
-      <Setter Property="ShowTotalSummary" Value="True"/>
+      <Setter Property="ShowTotalSummary" Value="False"/>
       <Setter Property="ShowSearchPanelMode" Value="Default"/>
       <Setter Property="ShowFilterPanelMode" Value="Never"/>
       <Setter Property="ShowIndicator" Value="False"/>