diff --git a/EgtBEAMWALL.Optimizer/BTLViewModel/BTLFeatureVM.vb b/EgtBEAMWALL.Optimizer/BTLViewModel/BTLFeatureVM.vb
index 7e25f740..9c197e87 100644
--- a/EgtBEAMWALL.Optimizer/BTLViewModel/BTLFeatureVM.vb
+++ b/EgtBEAMWALL.Optimizer/BTLViewModel/BTLFeatureVM.vb
@@ -167,6 +167,11 @@ Public Class BTLFeatureVM
       sPar = Nothing
       vParQ = Nothing
       m_BTLFeatureM.CalcParamArray(vPar, sPar, vParQ)
+      If value > 0 AndAlso IO.File.Exists(Map.refMainWindowVM.MainWindowM.sResourcesRoot & "\Features\" & sDescGRP & "." & sDES & ".png") Then
+         Map.refPParameterListVM.SetCurrDraw(Map.refMainWindowVM.MainWindowM.sResourcesRoot & "\Features\" & sDescGRP & "." & sDES & ".png")
+      Else
+         Map.refPParameterListVM.SetCurrDraw(Map.refMainWindowVM.MainWindowM.sResourcesRoot & "\Features\" & sDescGRP & ".png")
+      End If
    End Sub
 
    Public Property sPriority As String
@@ -257,6 +262,12 @@ Public Class BTLFeatureVM
       End Get
       Set(value As BTLParamVM)
          m_SelPBTLParam = value
+         If Not IsNothing(m_SelPBTLParam) Then
+            ' imposto path disegno da mostrare in BottomPanel
+            If Not IsNothing(Map.refProjectVM) Then
+               Map.refPParameterListVM.SetCurrDraw(m_SelPBTLParam.sDrawPath)
+            End If
+         End If
          NotifyPropertyChanged(NameOf(SelPBTLParam))
       End Set
    End Property
diff --git a/EgtBEAMWALL.Optimizer/BTLViewModel/BTLPartVM.vb b/EgtBEAMWALL.Optimizer/BTLViewModel/BTLPartVM.vb
index 473c16be..a73f6702 100644
--- a/EgtBEAMWALL.Optimizer/BTLViewModel/BTLPartVM.vb
+++ b/EgtBEAMWALL.Optimizer/BTLViewModel/BTLPartVM.vb
@@ -1537,6 +1537,7 @@ Public Class BTLPartVM
          If Not IsNothing(m_SelBTLFeatureVM) Then
             m_SelBTLFeatureVM.SelGeomFeature()
             m_PrevSelBTLFeatureVM = value
+            Map.refPParameterListVM.SetCurrDraw(DirectCast(m_SelBTLFeatureVM, BTLFeatureVM).sDrawPath)
             ' deseleziono i parametri
             If Not IsNothing(SelBTLFeatureVM.SelPBTLParam) Then SelBTLFeatureVM.SelPBTLParam = Nothing
             ' rinfresco bottoni freecontour
@@ -1548,6 +1549,13 @@ Public Class BTLPartVM
                If Integer.TryParse(m_SelBTLFeatureVM.sDES, nVariant) Then
                   m_SelBTLFeatureVM.nSelVARIANT = nVariant
                End If
+               If m_SelBTLFeatureVM.nSelVARIANT > 0 AndAlso
+                     System.IO.File.Exists(Map.refMainWindowVM.MainWindowM.sResourcesRoot & "\Features\" & m_SelBTLFeatureVM.sDescGRP & "." & m_SelBTLFeatureVM.sDES & ".png") Then
+                  ' imposto path disegno da mostrare in BottomPanel
+                  Map.refPParameterListVM.SetCurrDraw(Map.refMainWindowVM.MainWindowM.sResourcesRoot & "\Features\" & m_SelBTLFeatureVM.sDescGRP & "." & m_SelBTLFeatureVM.sDES & ".png")
+               Else
+                  Map.refPParameterListVM.SetCurrDraw(Map.refMainWindowVM.MainWindowM.sResourcesRoot & "\Features\" & m_SelBTLFeatureVM.sDescGRP & ".png")
+               End If
             Else
                Map.refFeatureManagerVM.SetVariant_Visibility(Visibility.Collapsed)
             End If
@@ -1557,15 +1565,6 @@ Public Class BTLPartVM
             '   EgtDeselectAll()
          End If
          If Not IsNothing(Map.refFeatureListManagerVM) Then Map.refFeatureListManagerVM.FeatureSelectionChanged()
-         'End If
-         'If Map.refMainMenuVM.SelPage = Pages.ONLYPRODPAGE Then
-         '   If Map.refProjectVM.LastSelGridType = ProjectVM.GridSelTypes.MACHGROUP Then
-         '      EgtResetCurrMachGroup()
-         '      ResetSearchFound()
-         '      Map.refStatisticsTimePanelVM.SetViewPage_Visibility(Visibility.Visible)
-         '      Map.refStatisticsTimePanelVM.SetMachiningPage_Visibility(Visibility.Collapsed)
-         '   End If
-         'End If
          EgtDraw()
          NotifyPropertyChanged(NameOf(SelBTLFeatureVM))
          ' se modalità building, la tolgo
@@ -2755,6 +2754,7 @@ Public Class BTLPartVM
             CalcGlobalUpdate(True)
             ' imposto path disegno da mostrare in BottomPanel
             Dim SelPBTLParam As BTLParamVM = Map.refProjectVM.BTLStructureVM.SelBTLPart.SelBTLFeatureVM.SelPBTLParam
+            If Not IsNothing(Map.refProjectVM) AndAlso Not IsNothing(SelPBTLParam) Then Map.refPParameterListVM.SetCurrDraw(SelPBTLParam.sDrawPath)
          Case NameOf(sender.bDO), NameOf(sender.sPriority)
             NotifyPropertyChanged(NameOf(bDOALL))
             ' setto pezzo da ricalcolare
diff --git a/EgtBEAMWALL.Optimizer/BTLViewModel/BTLStructureVM.vb b/EgtBEAMWALL.Optimizer/BTLViewModel/BTLStructureVM.vb
index 6d97796f..45dac230 100644
--- a/EgtBEAMWALL.Optimizer/BTLViewModel/BTLStructureVM.vb
+++ b/EgtBEAMWALL.Optimizer/BTLViewModel/BTLStructureVM.vb
@@ -1,6 +1,8 @@
 Imports System.Collections.ObjectModel
 Imports System.Collections.Specialized
 Imports System.ComponentModel
+Imports System.Web.UI.WebControls.WebParts
+Imports System.Windows.Interop
 Imports System.Windows.Threading
 Imports EgtBEAMWALL.Core
 Imports EgtUILib
@@ -120,6 +122,8 @@ Public Class BTLStructureVM
    End Property
 
    Private Sub SelBTLParts_CollectionChanged(sender As Object, e As NotifyCollectionChangedEventArgs)
+      ' Setto contesto finestra principale
+      if Map.refShowBeamPanelVM.ShowBuilding_IsChecked Then EgtSetCurrentContext(Map.refSceneHostVM.MainScene.GetCtx())
       If m_bOnlySelectItem Then Return
       Select Case e.Action
          Case NotifyCollectionChangedAction.Add
@@ -155,6 +159,9 @@ Public Class BTLStructureVM
          If Map.refShowBeamPanelVM.ShowBuilding_IsChecked Then
             ShowBuilding(False, False)
             Map.refShowBeamPanelVM.SetShowBuilding(False)
+            Map.refProjectVM.SetSceneShowBuldingVisibility(Visibility.Collapsed)
+            Map.refProjectVM.SetManagerTabVisibility(Visibility.Visible)
+            If Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup) AndAlso Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup.SelPart) Then Map.refProjectVM.SetFeatureListVisibility(Visibility.Visible)
          End If
          SceneSelPartSelection()
          ' seleziono pezzo in Db geometrico
@@ -196,9 +203,6 @@ Public Class BTLStructureVM
       If Not bIsReselect AndAlso m_SelBTLParts.Count = 1 Then
          BtlPart.SetOpenFeatureList(True)
       End If
-      If Map.refShowBeamPanelVM.ShowBuilding_IsChecked Then
-         Map.refShowBeamPanelVM.SetShowBuilding(False)
-      End If
    End Sub
    Private Sub DeselectBTLPart(BtlPart As BTLPartVM)
       ' se necessario tolgo solido dal precedentemente selezionato
@@ -891,14 +895,18 @@ Public Class BTLStructureVM
       ' disabilito impostazione modificato
       Dim DisableMgr As New DisableModifiedMgr
       ' ciclo sui pezzi
-      For Each Part As BTLPartVM In m_BTLPartVMList
-         ' se non è quello selezionato, lo nascondo
-         If Part IsNot m_SelBTLPart Then
-            EgtSetMode(Part.nPartId, GDB_MD.HIDDEN)
-         Else
-            EgtSetMode(Part.nPartId, GDB_MD.STD)
-         End If
-      Next
+      If (Keyboard.Modifiers And ModifierKeys.Shift) = ModifierKeys.Shift OrElse (Keyboard.Modifiers And ModifierKeys.Control) = ModifierKeys.Control Then
+         EgtSetMode(Map.refProjectVM.BTLStructureVM.SelBTLPart.nPartId, GDB_MD.STD)
+      Else
+         For Each Part As BTLPartVM In m_BTLPartVMList
+            ' se non è quello selezionato, lo nascondo
+            If Part IsNot m_SelBTLPart Then
+               EgtSetMode(Part.nPartId, GDB_MD.HIDDEN)
+            Else
+               EgtSetMode(Part.nPartId, GDB_MD.STD)
+            End If
+         Next
+      End If
       ' ripristino precedente impostazione modificato
       DisableMgr.ReEnable()
    End Sub
@@ -968,12 +976,9 @@ Public Class BTLStructureVM
    End Sub
 
    Friend Sub ShowBuilding(bShow As Boolean, Optional bRedraw As Boolean = True)
-      'If Not IsNothing(Map.refProjectVM.MachGroupPanelVM) AndAlso Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup) Then
-      '   EgtSetStatus(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup.Id, GDB_ST.OFF)
-      'End If
       If bShow Then
          ShowAll(False)
-         Dim CurrProdPathFile As String = ProjectManagerVM.CurrProj.sProjPath
+         Dim CurrProdPathFile As String = ProjectManagerVM.CurrProd.sProdPath
          If IO.File.Exists(CurrProdPathFile) Then
             EgtOpenFile(CurrProdPathFile)
          Else
diff --git a/EgtBEAMWALL.Optimizer/EgtBEAMWALL.Optimizer.vbproj b/EgtBEAMWALL.Optimizer/EgtBEAMWALL.Optimizer.vbproj
index 9e3e405d..c7026d5b 100644
--- a/EgtBEAMWALL.Optimizer/EgtBEAMWALL.Optimizer.vbproj
+++ b/EgtBEAMWALL.Optimizer/EgtBEAMWALL.Optimizer.vbproj
@@ -1073,6 +1073,9 @@
   <ItemGroup>
     <Resource Include="Resources\NewPage\MoveRight.png" />
   </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Resources\NewPage\Inversion.png" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.targets" />
   <PropertyGroup>
     <PostBuildEvent>IF "$(PlatformName)"=="x86" IF "$(ConfigurationName)" == "Release" copy $(TargetPath) c:\EgtProg\EgtBEAMWALL\EgtBEAMWALL.OptimizerR32.exe
diff --git a/EgtBEAMWALL.Optimizer/ItemParamList/OnlyProdPParameterListV.xaml b/EgtBEAMWALL.Optimizer/ItemParamList/OnlyProdPParameterListV.xaml
index 011d18c2..9e672ffb 100644
--- a/EgtBEAMWALL.Optimizer/ItemParamList/OnlyProdPParameterListV.xaml
+++ b/EgtBEAMWALL.Optimizer/ItemParamList/OnlyProdPParameterListV.xaml
@@ -9,6 +9,10 @@
          <RowDefinition Height="1*"/>
          <RowDefinition Height="Auto"/>
       </Grid.RowDefinitions>
+      <Grid.ColumnDefinitions>
+         <ColumnDefinition Width="1*"/>
+         <ColumnDefinition Width="Auto"/>
+      </Grid.ColumnDefinitions>
       <EgtBEAMWALLCORE:EgtDataGrid CanUserDeleteRows="False"
                                    SelectionMode="Single"
                                    Margin="0,0,0,5"
@@ -70,15 +74,18 @@
                         <Setter.Value>
                            <ControlTemplate TargetType="{x:Type DataGridCell}">
                               <TextBlock Text="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=Content.Text}"
-                                      Style="{StaticResource OnlyProd_TextBlock}">
+                                         Style="{StaticResource OnlyProd_TextBlock}">
                                  <TextBlock.ToolTip>
                                     <ToolTip Style="{StaticResource OnlyProd_ToolTip}">
                                        <ToolTip.Content>
-                                          <StackPanel Orientation="Vertical">
-                                             <TextBlock Text="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=Content.Text}"/>
+                                          <TextBlock Text="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=Content.Text}"
+                                                     Style="{StaticResource OnlyProd_TextBlock}"/>
+                                          <!--<StackPanel Orientation="Vertical">
+                                             <TextBlock Text="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=Content.Text}"
+                                                        Style="{StaticResource OnlyProd_TextBlock}"/>
                                              <Image Source="{Binding sDrawPath}" 
-                                                 Style="{StaticResource OnlyProdFeatureList_Image}"/>
-                                          </StackPanel>
+                                                    Style="{StaticResource OnlyProdFeatureList_Image}"/>
+                                          </StackPanel>-->
                                        </ToolTip.Content>
                                     </ToolTip>
                                  </TextBlock.ToolTip>
@@ -130,7 +137,12 @@
          </DataGrid.Resources>
       </EgtBEAMWALLCORE:EgtDataGrid>
 
+      <Image Grid.Column="1" Width="250"
+             Source="{Binding sCurrDraw}" 
+             Margin="2.5"/>
+
       <StackPanel Grid.Row="1"
+                  Grid.ColumnSpan="2"
                   HorizontalAlignment="Right"
                   Style="{StaticResource OnlyProdPartManager_StackPanel}">
          <Button Command="{Binding Ok_Command}"
diff --git a/EgtBEAMWALL.Optimizer/ItemParamList/PParameterListVM.vb b/EgtBEAMWALL.Optimizer/ItemParamList/PParameterListVM.vb
index dd7674df..f1d60c44 100644
--- a/EgtBEAMWALL.Optimizer/ItemParamList/PParameterListVM.vb
+++ b/EgtBEAMWALL.Optimizer/ItemParamList/PParameterListVM.vb
@@ -35,6 +35,17 @@ Public Class PParameterListVM
       End Set
    End Property
 
+   Private m_sCurrDraw As String
+   Public ReadOnly Property sCurrDraw As String
+      Get
+         Return m_sCurrDraw
+      End Get
+   End Property
+   Friend Sub SetCurrDraw(sCurrDraw As String)
+      m_sCurrDraw = sCurrDraw
+      NotifyPropertyChanged(NameOf(sCurrDraw))
+   End Sub
+
 #Region "Messages"
 
    Public ReadOnly Property Custom_Msg As String
diff --git a/EgtBEAMWALL.Optimizer/ItemParamList/RawPartListVM.vb b/EgtBEAMWALL.Optimizer/ItemParamList/RawPartListVM.vb
index e05627ce..f1ffc8eb 100644
--- a/EgtBEAMWALL.Optimizer/ItemParamList/RawPartListVM.vb
+++ b/EgtBEAMWALL.Optimizer/ItemParamList/RawPartListVM.vb
@@ -246,7 +246,7 @@ Public Class RawPartListVM
       m_colPartInRawPart_PosY = PartInRawPartColumns.FirstOrDefault(Function(x) x.Name = COL_POSY)
       ' aggiorno la visibilità delle colonne
       For Each col In PartInRawPartColumns
-         If Not bOnlyProd AndAlso nMachType = MachineType.BEAM AndAlso (col.Name.Equals(COL_ROT) OrElse col.Name.Equals(COL_FLIP) OrElse col.Name.Equals(COL_POSX)) Then
+         If Not bOnlyProd AndAlso nMachType = MachineType.BEAM AndAlso (col.Name.Equals(COL_ROT) OrElse col.Name.Equals(COL_FLIP)) Then
             col.Visible = False
          Else
             col.Visible = True
diff --git a/EgtBEAMWALL.Optimizer/LeftPanel/OnlyProdLeftPanelV.xaml b/EgtBEAMWALL.Optimizer/LeftPanel/OnlyProdLeftPanelV.xaml
index b1fa8cdd..663aa841 100644
--- a/EgtBEAMWALL.Optimizer/LeftPanel/OnlyProdLeftPanelV.xaml
+++ b/EgtBEAMWALL.Optimizer/LeftPanel/OnlyProdLeftPanelV.xaml
@@ -129,7 +129,7 @@
               ToolTip="Inverti Tutti"
               IsEnabled="{Binding RotatePart_IsEnabled}"
               Style="{StaticResource OnlyProdLeftPanel_Button}">
-         <Image Source="/Resources/PartManager/LeftInvert.png" Stretch="Uniform"/>
+         <Image Source="/Resources/NewPage/Inversion.png" Stretch="Uniform"/>
       </Button>
       <Button Grid.Column="7"
               ToolTip="Modifica Multipla"
diff --git a/EgtBEAMWALL.Optimizer/MachGroupPanel/MyMachGroupPanelVM.vb b/EgtBEAMWALL.Optimizer/MachGroupPanel/MyMachGroupPanelVM.vb
index 0798d940..e9693a5b 100644
--- a/EgtBEAMWALL.Optimizer/MachGroupPanel/MyMachGroupPanelVM.vb
+++ b/EgtBEAMWALL.Optimizer/MachGroupPanel/MyMachGroupPanelVM.vb
@@ -18,9 +18,12 @@ Public Class MyMachGroupPanelVM
             EgtBeamShowLoadingSide(False, False)
             ' se modalita' assemblato
             If Map.refShowBeamPanelVM.ShowBuilding_IsChecked Then
+               Map.refProjectVM.SetSceneShowBuldingVisibility(Visibility.Collapsed)
                ' devo smontarlo prima di calcolare le travi, altrimenti non trova i pezzi
                Map.refProjectVM.BTLStructureVM.ShowBuilding(False, False)
                Map.refShowBeamPanelVM.SetShowBuilding(False)
+               Map.refProjectVM.SetManagerTabVisibility(Visibility.Visible)
+               If Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup) AndAlso Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup.SelPart) Then Map.refProjectVM.SetFeatureListVisibility(Visibility.Visible)
             End If
          End If
          If Not IsNothing(Map.refProjectVM.BTLStructureVM) Then
@@ -38,6 +41,9 @@ Public Class MyMachGroupPanelVM
             Map.refStatisticsTimePanelVM.SetMachiningPage_Visibility(Visibility.Visible)
             Map.refStatisticsTimePanelVM.SetViewPage_Visibility(Visibility.Collapsed)
          End If
+         If IsNothing(Map.refProjectVM.BTLStructureVM.SelBTLPart) Then
+            Map.refProjectVM.SetFeatureListVisibility(Visibility.Collapsed)
+         End If
          NotifyPropertyChanged(NameOf(SelectedMachGroup))
       End Set
    End Property
diff --git a/EgtBEAMWALL.Optimizer/MachGroupPanel/MyMachGroupVM.vb b/EgtBEAMWALL.Optimizer/MachGroupPanel/MyMachGroupVM.vb
index 3c48fdb8..5b365ec5 100644
--- a/EgtBEAMWALL.Optimizer/MachGroupPanel/MyMachGroupVM.vb
+++ b/EgtBEAMWALL.Optimizer/MachGroupPanel/MyMachGroupVM.vb
@@ -80,8 +80,11 @@ Public Class MyMachGroupVM
          NotifyPropertyChanged(NameOf(SelPart))
          ' se modalità building, la tolgo
          If Map.refShowBeamPanelVM.ShowBuilding_IsChecked Then
+            Map.refProjectVM.SetSceneShowBuldingVisibility(Visibility.Collapsed)
             Map.refProjectVM.BTLStructureVM.ShowBuilding(False, False)
             Map.refShowBeamPanelVM.SetShowBuilding(False)
+            Map.refProjectVM.SetManagerTabVisibility(Visibility.Visible)
+            If Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup) AndAlso Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup.SelPart) Then Map.refProjectVM.SetFeatureListVisibility(Visibility.Visible)
          End If
       End Set
    End Property
diff --git a/EgtBEAMWALL.Optimizer/MainMenu/MainMenuVM.vb b/EgtBEAMWALL.Optimizer/MainMenu/MainMenuVM.vb
index 2b579a0b..a7b32905 100644
--- a/EgtBEAMWALL.Optimizer/MainMenu/MainMenuVM.vb
+++ b/EgtBEAMWALL.Optimizer/MainMenu/MainMenuVM.vb
@@ -249,7 +249,6 @@ Public Class MainMenuVM
       Next
 
       DimensionsIniFile.ReadGridDimensions(ConstDims.PROJECT_ONLYPROD, Map.refProjectVM.GridDims)
-
       ' inizializzo gruppi di lavorazione
       If Not IsNothing(ProjectManagerVM.CurrProd) AndAlso Not IsNothing(ProjectManagerVM.CurrProd.nProdId) AndAlso ProjectManagerVM.CurrProd.nProdId > 0 Then
          If Not m_bOpenProject Then
diff --git a/EgtBEAMWALL.Optimizer/Project/ProjectVM.vb b/EgtBEAMWALL.Optimizer/Project/ProjectVM.vb
index c9ab54ca..7ac3715b 100644
--- a/EgtBEAMWALL.Optimizer/Project/ProjectVM.vb
+++ b/EgtBEAMWALL.Optimizer/Project/ProjectVM.vb
@@ -555,7 +555,7 @@ Public Class ProjectVM
 
    Public Sub Back()
       Map.refProjectVM.SetRawPartManagerVisibility(Visibility.Visible)
-      If Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup.SelPart) Then Map.refProjectVM.SetFeatureListVisibility(Visibility.Visible)
+      If Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup) AndAlso Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup.SelPart) Then Map.refProjectVM.SetFeatureListVisibility(Visibility.Visible)
       Map.refProjectVM.SetStrategyManagerVisibility(Visibility.Collapsed)
       Map.refProjectVM.SetSelManagerTab(ProjectVM.StrategyManagerTab.RAWPARTMANAGER)
       Map.refProjectVM.SetSelFeatureManagerTab(ProjectVM.FeatureManagerTab.FEATURERAWPARTMANAGER)
diff --git a/EgtBEAMWALL.Optimizer/Resources/NewPage/Inversion.png b/EgtBEAMWALL.Optimizer/Resources/NewPage/Inversion.png
new file mode 100644
index 00000000..758bb697
Binary files /dev/null and b/EgtBEAMWALL.Optimizer/Resources/NewPage/Inversion.png differ
diff --git a/EgtBEAMWALL.Optimizer/ShowBeamPanel/ShowBeamPanelVM.vb b/EgtBEAMWALL.Optimizer/ShowBeamPanel/ShowBeamPanelVM.vb
index 923123e0..b7be9081 100644
--- a/EgtBEAMWALL.Optimizer/ShowBeamPanel/ShowBeamPanelVM.vb
+++ b/EgtBEAMWALL.Optimizer/ShowBeamPanel/ShowBeamPanelVM.vb
@@ -61,7 +61,7 @@ Public Class ShowBeamPanelVM
             EgtSetCurrentContext(Map.refSceneHostVM.MainScene.GetCtx())
             Map.refProjectVM.SetSceneShowBuldingVisibility(Visibility.Collapsed)
             Map.refProjectVM.SetManagerTabVisibility(Visibility.Visible)
-            If Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup.SelPart) Then Map.refProjectVM.SetFeatureListVisibility(Visibility.Visible)
+            If Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup) AndAlso Not IsNothing(Map.refProjectVM.MachGroupPanelVM.SelectedMachGroup.SelPart) Then Map.refProjectVM.SetFeatureListVisibility(Visibility.Visible)
          End If
          NotifyPropertyChanged(NameOf(ShowBuilding_IsChecked))
       End Set
diff --git a/EgtBEAMWALL.Optimizer/SplashScreen/SplashScreenV.xaml b/EgtBEAMWALL.Optimizer/SplashScreen/SplashScreenV.xaml
index 944767c6..2a363a8a 100644
--- a/EgtBEAMWALL.Optimizer/SplashScreen/SplashScreenV.xaml
+++ b/EgtBEAMWALL.Optimizer/SplashScreen/SplashScreenV.xaml
@@ -12,7 +12,7 @@
    
     <Grid>
       <Image Source="/Resources/NewPage/LogoProvaStrategy.png" 
-             Stretch="UniformToFill"/>
+             Stretch="Uniform"/>
       <TextBlock x:Name="VersionTxBl"
                  Style="{StaticResource SplashScreenV_TxBl}"/>
    </Grid>