Imports System.Collections.ObjectModel
Imports System.Threading
Imports System.Windows.Threading
Imports System.Runtime.InteropServices
Imports System.Math
Imports EgtUILib
Imports EgtWPFLib5

Public Class MainWindowVM
   Inherits ViewModelBase

#Region "FIELDS"

   ' EGALTECH ENVIRONMENT FIELDS
   Private m_objMutex As Mutex
   Private m_sDataRoot As String = String.Empty
   Private m_sConfigDir As String = String.Empty
   Private m_OnTerminateProcessCallback As New OnTerminateProcessCallback(AddressOf OnTerminateProcess)

   ' EGALTECH ENVIRONMENT FIELDS WITH PROPERTY

   Private m_nDebug As Integer = 0
   Public ReadOnly Property DebugLevel As Integer
      Get
         Return m_nDebug
      End Get
   End Property

   Private m_sVersion As String = "1.1a1"
   Public ReadOnly Property Version As String
      Get
         Return m_sVersion
      End Get
   End Property

   Private m_Title As String = String.Empty
   Public Property Title As String
      Get
         Return m_Title
      End Get
      Set(value As String)
         If value <> m_Title Then
            m_Title = value
            OnPropertyChanged("Title")
         End If
      End Set
   End Property

   Private m_cmdMainWindow_ContentRendered As ICommand
   Private m_cmdAboutBox As ICommand
   ' MainWindow Activated Event
   Private m_cmdMainWindow_Activated As ICommand
   ' MainWindow Deactivated Event
   Private m_cmdMainWindow_Deactivated As ICommand
   ' MainWindow Closing Event
   Private m_cmdMainWindow_Closing As ICommand
   Private m_cmdCloseApplication As ICommand

   ' GRAPHICAL ELEMENTS
   Private m_TopCommandBar As TopCommandBarV
   Public ReadOnly Property TopCommandBar As TopCommandBarV
      Get
         If IsNothing(m_TopCommandBar) Then
            m_TopCommandBar = New TopCommandBarV
            m_TopCommandBar.DataContext = New TopCommandBarVM
         End If
         Return m_TopCommandBar
      End Get
   End Property

   ' GRAPHICAL FIELDS WITH PROPERTY
   Private m_StatusBar As StatusBarV
   Private m_bfirst As Boolean = True
   Public ReadOnly Property StatusBar As StatusBarV
      Get
         If m_bfirst Then
            m_bfirst = False
            m_StatusBar = New StatusBarV
            m_StatusBar.DataContext = New MyStatusBarVM
         End If
         Return m_StatusBar
      End Get
   End Property

   Private m_ProjectPage As ProjectV
   Private m_bFirstProjectPage As Boolean = True
   Public ReadOnly Property ProjectPage As ProjectV
      Get
         If m_bFirstProjectPage Then
            m_bFirstProjectPage = False
            m_ProjectPage = New ProjectV
            m_ProjectPage.DataContext = New ProjectVM
         End If
         Return m_ProjectPage
      End Get
   End Property

   Public ReadOnly Property IconSource As String
      Get
         #If PLATFORM = "x64" Then
            Return "/Resources/EgtCAM5_64.ico"
         #else
            Return "/Resources/EgtCAM5.ico"
         #End If
      End Get
   End Property

#End Region

#Region "CONSTRUCTOR"

   Sub New()
      ' Inizializzo EgtCAM5Map
      Map.BeginInit(Me)
      ' INITIALIZE EGALTECH ENVIRONMENT
      InitializeEgtEnvironment()

      AddHandler Application.Current.MainWindow.KeyDown, AddressOf MainWindow_KeyDown

   End Sub

#End Region    ' Constructor

#Region "COMMANDS"

#Region "AboutBoxCommand"

   ' Returns a command that manage the MainWindow_Unloaded command
   Public ReadOnly Property AboutBoxCommand() As ICommand
      Get
         If m_cmdAboutBox Is Nothing Then
            m_cmdAboutBox = New Command(AddressOf AboutBox)
         End If
         Return m_cmdAboutBox
      End Get
   End Property

   ' Manage the MainWindow_Unloaded event. This method is invoked by the cmdMainWindow_Unloaded.
   Public Sub AboutBox(ByVal param As Object)
      Dim AboutBoxWindow As New AboutBoxWndV
      AboutBoxWindow.Owner = Application.Current.MainWindow
      AboutBoxWindow.ShowDialog()
   End Sub

#End Region ' AboutBoxCommand

#Region "CloseApplicationCommand"

   ''' <summary>
   ''' Returns a command that manage the MainWindow_Unloaded command
   ''' </summary>
   Public ReadOnly Property CloseApplicationCommand() As ICommand
      Get
         If m_cmdCloseApplication Is Nothing Then
            m_cmdCloseApplication = New RelayCommand(AddressOf CloseApplication)
         End If
         Return m_cmdCloseApplication
      End Get
   End Property

   ''' <summary>
   ''' Manage the MainWindow_Unloaded event. This method is invoked by the cmdMainWindow_Unloaded.
   ''' </summary>
   Public Sub CloseApplication(ByVal param As Object)
      If IniFile.m_bScriptRunning Then
         If Not IniFile.m_bFailedRun Then
            'MessageBox.Show("Can't exit now. Wait until the end of the script execution", "", MessageBoxButton.OK, MessageBoxImage.Stop)
            Return
         End If
      End If
      If IniFile.m_bSimulExecuting Then
         ' Avvio l'arresto della simulazione
         refSimulationExpanderVM.SetSimulationStatus(MCH_SIM_ST.UI_STOP)
         IniFile.m_bSimulEndExitApp = True
         Return
      End If
      ' Gestisco eventuale file corrente modificato
      Map.refProjectVM.ManageModified()
      If m_allowWindowToClose Then
         Map.refMainWindowVM.ManageClosingApplication()
         ' Salvo posizione Form (se non minimizzato)
         If Application.Current.MainWindow.WindowState <> WindowState.Minimized Then
            Dim WinPos As New WinPos
            WindowToWinPos(Application.Current.MainWindow, WinPos)
            WritePrivateProfileWinPos(S_GENERAL, K_WINPLACE, WinPos.nFlag, WinPos.nLeft, WinPos.nTop, WinPos.nWidth, WinPos.nHeight)
         End If
         ' Terminazione generale di EgtInterface
         EgtExit()
         ' Salvo impostazione macchina corrente
         Map.refMachinePanelVM.SaveCurrentMachine()
         ' Aggiorno istanze usate
         m_objMutex.WaitOne(1000)
         Dim nTmp As Integer = GetPrivateProfileInt(S_GENERAL, K_INSTANCES, 0)
         nTmp -= (1 << (IniFile.m_nInstance - 1))
         WritePrivateProfileString(S_GENERAL, K_INSTANCES, nTmp.ToString())
         m_objMutex.ReleaseMutex()
         ' Rilascio mutex
         If Not IsNothing(m_objMutex) Then m_objMutex.Close()
         ' Chiudo la finestra principale del programma
         Application.Current.MainWindow.Close()
      Else
         IniFile.m_bSimulEndExitApp = False
      End If
   End Sub

   Private Function OnTerminateProcess( nExitCode As Integer) As Boolean
      ' Aggiorno istanze usate
      m_objMutex.WaitOne(1000)
      Dim nTmp As Integer = GetPrivateProfileInt(S_GENERAL, K_INSTANCES, 0)
      nTmp -= (1 << (IniFile.m_nInstance - 1))
      WritePrivateProfileString(S_GENERAL, K_INSTANCES, nTmp.ToString())
      m_objMutex.ReleaseMutex()
      ' Rilascio mutex
      If Not IsNothing(m_objMutex) Then m_objMutex.Close()
      ' Dichiaro di procedere con la terminazione del programma
      Return True
   End Function

#End Region ' CloseApplicationCommand

#Region "cmdMainWindow_ContentRendered"

   ''' <summary>
   ''' Returns a command that manage the MainWindow_ContentRendered command
   ''' </summary>
   Public ReadOnly Property cmdMainWindow_ContentRendered() As ICommand
      Get
         If m_cmdMainWindow_ContentRendered Is Nothing Then
            m_cmdMainWindow_ContentRendered = New RelayCommand(AddressOf MainWindow_ContentRendered)
         End If
         Return m_cmdMainWindow_ContentRendered
      End Get
   End Property

   ''' <summary>
   ''' Manage the MainWindow_ContentRendered event. This method is invoked by the cmdMainWindow_ContentRendered.
   ''' </summary>
   Public Sub MainWindow_ContentRendered(ByVal param As Object)
      ' Se errore di protezione, non posso proseguire
      If IniFile.m_nKeyLevel < 0 Then Return
      ' Notify the ContentRendered event
      NotifyMainWindow_ContentRendered()
      ' se sono in modalità solo cad
      If IniFile.m_ProjectMode = ProjectModeOpt.ONLYDRAW Then
         Map.refStatusBarVM.NotifyStatusOutput("Impossible finding Machines dir. EgtCAM5 will run in CAD-ONLY mode.")
      End If
   End Sub

#End Region ' ContentRendered Command

#Region "cmdMainWindow_Activated"

   ''' <summary>
   ''' Returns a command that manage the MainWindow_ContentRendered command
   ''' </summary>
   Public ReadOnly Property cmdMainWindow_Activated() As ICommand
      Get
         If m_cmdMainWindow_Activated Is Nothing Then
            m_cmdMainWindow_Activated = New RelayCommand(AddressOf MainWindow_Activated)
         End If
         Return m_cmdMainWindow_Activated
      End Get
   End Property

   ''' <summary>
   ''' Manage the MainWindow_ContentRendered event. This method is invoked by the cmdMainWindow_ContentRendered.
   ''' </summary>
   Public Sub MainWindow_Activated(ByVal param As Object)
      ' Notify the ContentRendered event

   End Sub

#End Region ' Activated Command

#Region "cmdMainWindow_Deactivated"

   ''' <summary>
   ''' Returns a command that manage the MainWindow_ContentRendered command
   ''' </summary>
   Public ReadOnly Property cmdMainWindow_Deactivated() As ICommand
      Get
         If m_cmdMainWindow_Deactivated Is Nothing Then
            m_cmdMainWindow_Deactivated = New RelayCommand(AddressOf MainWindow_Deactivated)
         End If
         Return m_cmdMainWindow_Deactivated
      End Get
   End Property

   ''' <summary>
   ''' Manage the MainWindow_ContentRendered event. This method is invoked by the cmdMainWindow_ContentRendered.
   ''' </summary>
   Public Sub MainWindow_Deactivated(ByVal param As Object)
      ' Notify the ContentRendered event

   End Sub

#End Region ' Deactivated Command

#End Region

#Region "METHODS"

#Region "RegisterMyMessages"

   Friend Sub CloseApplicationCmd()
      Map.refMainWindowVM.ManageClosingApplication()
      ' Terminazione generale di EgtInterface
      EgtExit()
      ' Rilascio mutex
      If Not IsNothing(m_objMutex) Then m_objMutex.Close()
      ' Aggiorno istanze usate
      Dim nTmp As Integer = GetPrivateProfileInt(S_GENERAL, K_INSTANCES, 0)
      nTmp -= (1 << (IniFile.m_nInstance - 1))
      WritePrivateProfileString(S_GENERAL, K_INSTANCES, nTmp.ToString())
      Application.Current.Shutdown()
   End Sub

   Friend Sub AllowWindowToClose(bBoolean As Boolean)
      m_allowWindowToClose = bBoolean
   End Sub

   Friend Sub UpdateMainWindowTitle(sString As String)
      Title = sString
   End Sub

#End Region

   ''' <summary>
   ''' Method that initialize EgalTech environment
   ''' </summary>
   Private Sub InitializeEgtEnvironment()
      ' Title
      If Not IsNothing(Map.refProjectVM) Then
         Map.refProjectVM.EmitTitle()
      End If
      ' Impostazione path radice per i dati
      m_sDataRoot = System.AppDomain.CurrentDomain.BaseDirectory
      If EgtUILib.GetPrivateProfileString(S_DATA, K_DATAROOT, "", m_sDataRoot, m_sDataRoot & "\" & DAT_FILE_NAME) = 0 Then
         m_sDataRoot = System.AppDomain.CurrentDomain.BaseDirectory
      End If
      IniFile.m_sDataRoot = m_sDataRoot
      ' Impostazione direttorio di configurazione
      m_sConfigDir = m_sDataRoot & "\" & CONF_DIR
      IniFile.m_sConfigDir = m_sConfigDir
      ' Impostazione direttorio per file temporanei
      IniFile.m_sTempDir = m_sDataRoot & "\" & TEMP_DIR
      ' Impostazione path Ini file
      IniFile.m_sIniFile = m_sConfigDir & "\" & INI_FILE_NAME
      EgtWPFLib5.IniFile.m_sIniFile = m_sIniFile
      ' Impostazione path resources dir
      IniFile.m_sResourcesRoot = m_sDataRoot & "\" & RES_DIR
      ' Impostazione direttorio per le macchine
      If GetPrivateProfileString(S_MACH, K_MACHINESDIR, "", m_sMachinesRoot) = 0 Then
         m_sMachinesRoot = m_sDataRoot & "\" & MACHINES_DFL_DIR
      End If
      IniFile.m_sMachinesRoot = m_sMachinesRoot
      ' Impostazione direttorio toolmakers
      Dim sToolMakersDir As String = String.Empty
      GetPrivateProfileString(S_MACH, K_TOOLMAKERSDIR, "", sToolMakersDir)
      If Not String.IsNullOrWhiteSpace(sToolMakersDir) Then
         IniFile.m_sToolMakersDir = sToolMakersDir
      Else
         IniFile.m_sToolMakersDir = m_sDataRoot & "\" & TOOLMAKER_DFL_DIR
      End If
      ' Verifico indice di istanza
      ManageInstance()
      ' Imposto tipo di chiave
      EgtSetLockType(KEY_TYPE.HW)
      ' Leggo e imposto chiave di protezione ed eventuale chiave nesting
      Dim sLicFileName As String = ""
      GetPrivateProfileString(S_GENERAL, K_LICENCE, LIC_FILE_NAME, sLicFileName)
      Dim sLicFile As String = m_sConfigDir & "\" & sLicFileName
      Dim sKey As String = ""
      EgtUILib.GetPrivateProfileString(S_LICENCE, K_KEY, "", sKey, sLicFile)
      EgtSetKey(sKey)
      Dim sNestKey As String = ""
      EgtUILib.GetPrivateProfileString(S_LICENCE, K_NESTKEY, "", sNestKey, sLicFile)
      EgtSetNestKey(sNestKey)
      ' Impostazioni per chiave di rete
      Dim bNetKey As Boolean = (GetPrivateProfileInt(S_GENERAL, K_NETKEY, 0) = 1)
      EgtSetNetHwKey(bNetKey)
      Dim sLockId As String = ""
      EgtUILib.GetPrivateProfileString(S_LICENCE, K_LOCKID, "", sLockId, sLicFile)
      If Not String.IsNullOrEmpty(sLockId) Then
         EgtSetLockId(sLockId)
      End If
      ' Recupero livello e opzioni della chiave
      Dim bKey As Boolean = EgtGetKeyLevel(3279, 2605, 1, IniFile.m_nKeyLevel) And
                            EgtGetKeyOptions(3279, 2605, 1, IniFile.m_nKeyOptions)
      ' Leggo e imposto livello utilizzatore
      IniFile.m_nUserLevel = Math.Min(IniFile.m_nKeyLevel, GetPrivateProfileInt(S_GENERAL, K_USERLEVEL, 1))
      ' Imposto abilitazione lavorazioni avanzate
      MachineUtility.EnableAdvMachinings = IniFile.IsKeyEnabledAdvancedMachining()
      ' Inizializzazione generale di EgtInterface
      m_nDebug = GetPrivateProfileInt(S_GENERAL, K_DEBUG, 0)
      m_sVersion = My.Application.Info.Version.Major.ToString() & "." &
                   My.Application.Info.Version.Minor.ToString() &
                   (ChrW(97 - 1 + My.Application.Info.Version.Build)).ToString() &
                   My.Application.Info.Version.Revision.ToString()
      IniFile.m_sLogFile = m_sTempDir & "\" & GENLOG_FILE_NAME.Replace("#", IniFile.m_nInstance.ToString())
      Dim sLogMsg As String = "User " & Environment.MachineName & "\" & Environment.UserName &
                              "  Inst" & IniFile.m_nInstance.ToString() &
                              " Ulv" & IniFile.m_nUserLevel.ToString() & " Dbg" & DebugLevel().ToString() & vbLf &
                              My.Application.Info.Title.ToString() & " ver. " & m_sVersion
      EgtInit(m_nDebug, IniFile.m_sLogFile, sLogMsg)
      EgtSetOnTerminateProcess( m_OnTerminateProcessCallback)
      EgtSetUserLevel( IniFile.m_nUserLevel)
      ' Leggo direttorio dei messaggi (se manca uso direttorio di configurazione)
      Dim sMsgDir As String = String.Empty
      If GetPrivateProfileString(S_GENERAL, K_MESSAGESDIR, "", sMsgDir) = 0 Then
         sMsgDir = m_sConfigDir
      End If
      ' Inizializzo OptionModule
      OptionModule.InitOptionModule()
      ' Leggo file messaggi
      Dim sMsgFilePath As String = sMsgDir & "\" & OptionModule.m_SelectedLanguage.FilePath
      If Not EgtLoadMessages(sMsgFilePath) Then
         EgtOutLog("Error in EgtLoadMessages")
      End If
      ' Imposto dir font Nfe e font default
      Dim sNfeDir As String = String.Empty
      GetPrivateProfileString(S_GEOMDB, K_NFEFONTDIR, "", sNfeDir)
      GetPrivateProfileString(S_GEOMDB, K_DEFAULTFONT, "", OptionModule.m_sFontText)
      EgtSetFont(sNfeDir, OptionModule.m_sFontText)
      ' Imposto direttorio ausiliario per import/gestione BTL
      Dim sBtlAuxDir As String = String.Empty
      GetPrivateProfileString(S_IMPORT, K_BTLAUXDIR, "", sBtlAuxDir)
      EgtSetBtlAuxDir(sBtlAuxDir)
      ' Imposto direttorio libreria per export ThreeJs
      Dim sThreeJSLibDir As String = String.Empty
      GetPrivateProfileString(S_EXPORT, K_THREEJSLIBDIR, "", sThreeJSLibDir)
      EgtSetThreeJSLibDir(sThreeJSLibDir)
      ' Imposto dir di default per libreria Lua e lancio libreria di base
      Dim sLuaLibsDir As String = String.Empty
      GetPrivateProfileString(S_LUA, K_LIBSDIR, "", sLuaLibsDir)
      EgtSetLuaLibs(sLuaLibsDir)
      Dim sLuaBaseLib As String = String.Empty
      GetPrivateProfileString(S_LUA, K_BASELIB, "EgtBase", sLuaBaseLib)
      EgtLuaRequire(sLuaBaseLib)
      ' Imposto direttorio temporaneo a EgtInterface
      EgtSetTempDir(m_sTempDir)
      ' Imposto IniFile a EgtInterface
      EgtSetIniFile(m_sIniFile)
      ' Verifico se avviare programma in modalità CAD-ONLY
      IniFile.m_ProjectMode = If(GetPrivateProfileInt(S_GENERAL, K_ONLYDRAW, 0) = 0, ProjectModeOpt.DRAW, ProjectModeOpt.ONLYDRAW)
      ' Impostazioni MruLists
      m_MruFiles.Init(S_MRUFILES, 8)
      m_MruScripts.Init(S_MRUSCRIPTS, 8)
      If IniFile.IsActiveDoors() Then
         m_MruDoors.Init(S_MRUDOORS, 8)
      End If
      If IniFile.IsActiveGunStock() Then
         m_MruNewGunStock.Init(S_MRUGUNSTOCKMOD, 8)
         m_MruModifyGunStock.Init(S_MRUGUNSTOCKPEZ, 8)
      End If
      ' Info su opzioni chiave
      EgtOutLog("KeyOptions : " & bKey.ToString() & " " & IniFile.m_nKeyOptions.ToString())
   End Sub

   ''' <summary>
   ''' Funzione che permette di gestire il numero di istanze del programma attive contemporaneamente
   ''' </summary>
   Private Sub ManageInstance()
      Dim bCreated As Boolean
      Try
         m_objMutex = New Mutex(True, "Global\EgtCAM5", bCreated)
      Catch
         bCreated = False
      End Try
      If bCreated Then
         ' Prima istanza
         IniFile.m_nInstance = 1
         ' Aggiorno stato istanze attive
         WritePrivateProfileString(S_GENERAL, K_INSTANCES, IniFile.m_nInstance.ToString)
         ' Rilascio il possesso del mutex
         m_objMutex.ReleaseMutex()
      Else
         ' Leggo il massimo numero di istanze ammesse
         Const MAX_INST As Integer = 32
         Dim nMaxInst As Integer = GetPrivateProfileInt(S_GENERAL, K_MAXINST, 1)
         nMaxInst = Max(1, Min(nMaxInst, MAX_INST))
         ' Richiedo il possesso del mutex
         Dim bOk As Boolean = False
         If m_objMutex.WaitOne(500) Then
            ' Cerco il primo indice di istanza libero (max 32)
            Dim nTmp As Integer = GetPrivateProfileInt(S_GENERAL, K_INSTANCES, 0)
            IniFile.m_nInstance = 1
            Dim nMask As Integer = 1
            While (nTmp And nMask) <> 0 And IniFile.m_nInstance <= MAX_INST
               IniFile.m_nInstance += 1
               nMask *= 2
            End While
            ' Se nuova istanza nei limiti
            If IniFile.m_nInstance <= nMaxInst Then
               bOk = True
               ' Aggiorno stato istanze attive
               nTmp += (1 << (IniFile.m_nInstance - 1))
               WritePrivateProfileString(S_GENERAL, K_INSTANCES, nTmp.ToString())
            End If
            ' Rilascio il possesso del mutex
            m_objMutex.ReleaseMutex()
         End If
         ' Se non è possibile continuare
         If Not bOk Then
            ' porto in primo piano la prima istanza
            Dim bFound As Boolean = False
            ' processi del programma a 32 bit
            Dim localProc As Process() = Process.GetProcessesByName("EgtCAM5R32")
            For Each p As Process In localProc
               If p.Id <> Process.GetCurrentProcess().Id Then
                  bFound = True
                  ShowWindow(p.MainWindowHandle, SW.SHOWMAXIMIZED)
                  Exit For
               End If
            Next
            ' se non trovati processi a 32 bit provo a 64 bit
            If Not bFound Then
               localProc = Process.GetProcessesByName("EgtCAM5R64")
               For Each p As Process In localProc
                  If p.Id <> Process.GetCurrentProcess().Id Then
                     bFound = True
                     ShowWindow(p.MainWindowHandle, SW.SHOWMAXIMIZED)
                     Exit For
                  End If
               Next
            End If
            ' esco dal programma
            Environment.Exit(1)
         End If
      End If
   End Sub

   Friend Sub NotifyMainWindow_ContentRendered()
      ' Notifico ProjectVM
      Map.refProjectVM.ProcessCommandLine()
      ' Notifico MyMachinePanelVM
      If IniFile.m_ProjectMode = ProjectModeOpt.ONLYDRAW Then
         Map.refMachinePanelVM.MachineListIsEnabled = False
      End If
      ' Notifico MyStatusBarVM
      If IniFile.m_bMmUnits Then
         Map.refStatusBarVM.GridDimensionText = LenToString(IniFile.dSnapStepMm, 4)
      Else
         Map.refStatusBarVM.GridDimensionText = LenToString(IniFile.dSnapStepInch, 4)
      End If
      ' Notifico TopCommandBarVM
      If IniFile.m_ProjectMode = ProjectModeOpt.ONLYDRAW Then
         Map.refTopCommandBarVM.MachiningIsEnabled = False
      Else
         Map.refTopCommandBarVM.MachiningIsEnabled = True
      End If
   End Sub

   Friend Sub ManageClosingApplication()
      ' gestisco la chiusura di SimulationExpanderVM
      If Not IsNothing(Map.refSimulationExpanderVM) Then
         If Map.refSimulationExpanderVM.Simulation_IsExpanded Then
            Map.refSimulationExpanderVM.ResetSimulation()
         End If
      End If
      ' gestisco la chiusura di ProjectVM
      If Not IniFile.m_bFailedRun Then
         ' Salvo modo di visualizzazione
         WritePrivateProfileString(S_SCENE, K_SHOWMODE, EgtGetShowMode().ToString)
         ' Salvo stato visualizzazione direzione curve
         WritePrivateProfileString(S_SCENE, K_CURVEDIR, If(EgtGetShowCurveDirection(), 1, 0).ToString)
         ' Salvo stato visualizzazione griglia
         WritePrivateProfileString(S_GRID, K_DRAWSHOWGRID, If(IniFile.m_bDrawShowGrid, 1, 0).ToString)
         WritePrivateProfileString(S_GRID, K_MACHININGSHOWGRID, If(IniFile.m_bMachiningShowGrid, 1, 0).ToString)
         ' Salvo stato unità di misura per interfaccia utente
         WritePrivateProfileString(S_SCENE, K_MMUNITS, If(IniFile.m_bMmUnits, 1, 0).ToString)
         ' Salvo dimensioni griglie in Mm e Inch
         WritePrivateProfileString(S_GRID, K_SNAPSTEP, DoubleToString(IniFile.dSnapStepMm, 4))
         WritePrivateProfileString(S_GRID, K_SNAPSTEPINCH, DoubleToString(IniFile.dSnapStepInch, 4))
      End If
      ' gestisco la chiusura di DrawPanelVM
      If Not IniFile.m_bFailedRun AndAlso Not IsNothing(Map.refDrawPanelVM) Then
         WritePrivateProfileString(S_GENERAL, K_DRAW2D, If(Map.refDrawPanelVM.Draw2DIsExpanded, "1", "0"))
         WritePrivateProfileString(S_GENERAL, K_DRAW3D, If(Map.refDrawPanelVM.Draw3DIsExpanded, "1", "0"))
         WritePrivateProfileString(S_GENERAL, K_MODIFY, If(Map.refDrawPanelVM.ModifyIsExpanded, "1", "0"))
         WritePrivateProfileString(S_GENERAL, K_TRANSFORM, If(Map.refDrawPanelVM.TransformIsExpanded, "1", "0"))
      End If
   End Sub

#End Region

#Region "Events"

   Private Sub MainWindow_KeyDown(ByVal sender As Object, ByVal e As KeyEventArgs)
      ' Con ESC esco dall'azione corrente
      If e.Key = Key.Escape Then
         ' reset Azione corrente
         Map.refProjectVM.ResetStatus()
         ' reset Analisi e Distanza
         Map.refInstrumentPanelVM.Analyze_IsChecked(False)
         Map.refInstrumentPanelVM.GetDistance_IsChecked(False)
         ' pulisco output
         Map.refStatusBarVM.NotifyStatusOutput("")
         Map.refInputExpanderVM.ResetInputBox()
      End If
   End Sub

#End Region

#Region "Verify closing"

   ''' <summary>
   ''' Should we let our window close?
   ''' </summary>
   Private m_allowWindowToClose As Boolean = False


#End Region

#Region "MEF Plugin"

   Private m_Loader As MEFLoader = New MEFLoader()

   Private Function GetPathByName(ByVal name As String) As String
      Dim PluginNameSplit() As String = name.Split("."c)
      Dim res = Map.refMainWindowVM.m_sDataRoot & "\Plugin\" & PluginNameSplit(0)
      Return res
   End Function

   Friend Function GetControlByName(Of T)(Element As PluginControl) As Panel
      Dim PlugInControl As Object = m_Loader.LoadByTag(Of T)(GetPathByName(Element.Name), Element.Name).FirstOrDefault()
      Dim PluginPanel As Panel = Nothing
      Select Case PlugInControl.GetType().BaseType.FullName
         Case GetType(Panel).FullName, GetType(Grid).FullName
            PluginPanel = TryCast(PlugInControl, Panel)
         Case GetType(Forms.UserControl).FullName
            Dim PluginUserControl As Forms.UserControl = TryCast(PlugInControl, Forms.UserControl)
            Dim PluginControlInterface As IPluginControl = TryCast(PlugInControl, IPluginControl)
            If Not IsNothing(PluginControlInterface) Then
               AddHandler PluginControlInterface.UpdateProjectName, AddressOf UpdateProjectName
               AddHandler PluginControlInterface.UpdateUI, AddressOf UpdateUI
            End If
            PluginPanel = New WinFormPluginControlV(New WinFormPluginControlVM(PluginUserControl, Element.ViewPanelState))
      End Select
      Return PluginPanel
   End Function

   Friend Function GetConfigData(Of T)(ByVal name As String) As IPluginConfigData
      Dim PlugInControl As Object = m_Loader.LoadByTag(Of T)(GetPathByName(name), name).FirstOrDefault()
      Dim PluginConfigData As IPluginConfigData = Nothing
      Dim v = PlugInControl.GetType()
      If PlugInControl.GetType().Name = PLUGIN_CONFIGURATION_DATA Then
         Return TryCast(PlugInControl, IPluginConfigData)
      Else
         Return Nothing
      End If
   End Function

   Private Sub UpdateProjectName(ProjectName As String)
      Map.refMainWindowVM.Title = ProjectName & " - EgtCAM5"
   End Sub

   Private Sub UpdateUI()
      Map.refProjectVM.UpdateProjectUI(True)
   End Sub

#End Region    ' MEF Plugin

End Class