diff --git a/EgtBEAMWALL.Optimizer/ExecProcessManager/MyExecProcessManager.vb b/EgtBEAMWALL.Optimizer/ExecProcessManager/MyExecProcessManager.vb
index ff40f63e..934ff556 100644
--- a/EgtBEAMWALL.Optimizer/ExecProcessManager/MyExecProcessManager.vb
+++ b/EgtBEAMWALL.Optimizer/ExecProcessManager/MyExecProcessManager.vb
@@ -44,6 +44,7 @@ Module MyExecProcessManager
       Dim sEnvironment As String = ""
       Dim sPipeLuaFile As String = ""
       Dim nMaxCamInstances As Integer = 0
+      Dim bDebug As Boolean = False
       While GetMainPrivateProfileString(S_EXECGROUP & nGroupIndex.ToString(), K_ENVIRONMENT, "", sEnvironment) > 0 AndAlso
             GetMainPrivateProfileString(S_EXECGROUP & nGroupIndex.ToString(), K_PIPELUAFILE, "", sPipeLuaFile) AndAlso
             GetMainPrivateProfileString(S_EXECGROUP & nGroupIndex.ToString(), K_MAXCAMINSTANCES, "", nMaxCamInstances)
@@ -64,7 +65,10 @@ Module MyExecProcessManager
             nGroupIndex += 1
             Continue While
          End If
-         Dim NewExecProcessManager As New ExecProcessManager(nGroupIndex, Environment, sCamExePath, PipeLuaPath, nMaxCamInstances, ExecProcessManager.ReturnModes.EVENT_, False)
+         ' leggo se modalita' debug
+         Dim nDebug As Integer = GetMainPrivateProfileInt(S_EXECGROUP & nGroupIndex.ToString(), K_DEBUG, 0)
+         bDebug = (nDebug = 1)
+         Dim NewExecProcessManager As New ExecProcessManager(nGroupIndex, Environment, sCamExePath, PipeLuaPath, nMaxCamInstances, ExecProcessManager.ReturnModes.EVENT_, bDebug)
          AddHandler NewExecProcessManager.m_AnswerReceived, AddressOf ExecProcessManager_AnswerReceived
          NewExecProcessManager.StartExecutionThread()
          m_ExecProcessManagerList.Add(Environment, NewExecProcessManager)
diff --git a/EgtBEAMWALL.Optimizer/PartParametersWnd/PartParametersWndV.xaml b/EgtBEAMWALL.Optimizer/PartParametersWnd/PartParametersWndV.xaml
index 34757f74..b2d862ee 100644
--- a/EgtBEAMWALL.Optimizer/PartParametersWnd/PartParametersWndV.xaml
+++ b/EgtBEAMWALL.Optimizer/PartParametersWnd/PartParametersWndV.xaml
@@ -85,8 +85,7 @@
          <TextBlock Text="{Binding MATERIAL_MSG}"
                     Style="{StaticResource PartParam_TextBlock}"/>
          <EgtWPFLib5:EgtTextBox Grid.Column="1"
-                                Text="{Binding Tag.sMATERIAL, UpdateSourceTrigger=Explicit,
-                                               RelativeSource={RelativeSource AncestorType={x:Type OPTIMIZER:PartParametersWndV}}}"
+                                Text="{Binding CurrPart.sMATERIAL, UpdateSourceTrigger=LostFocus}"
                                 Style="{StaticResource PartParam_TextBox}"/>
       </UniformGrid>
 
diff --git a/EgtBEAMWALL.Optimizer/PartParametersWnd/PartParametersWndV.xaml.vb b/EgtBEAMWALL.Optimizer/PartParametersWnd/PartParametersWndV.xaml.vb
index 9fcd8af8..e0c3959e 100644
--- a/EgtBEAMWALL.Optimizer/PartParametersWnd/PartParametersWndV.xaml.vb
+++ b/EgtBEAMWALL.Optimizer/PartParametersWnd/PartParametersWndV.xaml.vb
@@ -14,4 +14,5 @@
    Private Sub CloseWindow(bDialogResult As Boolean) Handles m_PartParametersWndVM.m_CloseWindow
       Me.DialogResult = bDialogResult
    End Sub
+
 End Class
diff --git a/EgtBEAMWALL.Optimizer/PartParametersWnd/PartParametersWndVM.vb b/EgtBEAMWALL.Optimizer/PartParametersWnd/PartParametersWndVM.vb
index 4e9ce09e..03f221fc 100644
--- a/EgtBEAMWALL.Optimizer/PartParametersWnd/PartParametersWndVM.vb
+++ b/EgtBEAMWALL.Optimizer/PartParametersWnd/PartParametersWndVM.vb
@@ -8,6 +8,13 @@ Public Class PartParametersWndVM
 
    Friend Event m_CloseWindow(bDialogResult As Boolean)
 
+   Private m_CurrPart As BTLPartVM
+   Public ReadOnly Property CurrPart As BTLPartVM
+      Get
+         Return m_CurrPart
+      End Get
+   End Property
+
    ' Definizione comandi
    Private m_cmdOk As ICommand
 
@@ -271,8 +278,8 @@ Public Class PartParametersWndVM
 
 #Region "CONSTRUCTOR"
 
-   Sub New()
-
+   Sub New(CurrPart As BTLPartVM)
+      m_CurrPart = CurrPart
    End Sub
 
 #End Region    ' CONSTRUCTOR
diff --git a/EgtBEAMWALL.Optimizer/Project/ProjectVM.vb b/EgtBEAMWALL.Optimizer/Project/ProjectVM.vb
index b97c0dcf..6d70f539 100644
--- a/EgtBEAMWALL.Optimizer/Project/ProjectVM.vb
+++ b/EgtBEAMWALL.Optimizer/Project/ProjectVM.vb
@@ -991,7 +991,7 @@ Public Class ProjectVM
    End Property
 
    Friend Sub Parameter()
-      Dim PartParametersWnd As New PartParametersWndV(Application.Current.MainWindow, New PartParametersWndVM())
+      Dim PartParametersWnd As New PartParametersWndV(Application.Current.MainWindow, New PartParametersWndVM(m_BTLStructureVM.SelBTLPart))
       PartParametersWnd.ShowDialog()
    End Sub