diff --git a/Controller.vb b/Controller.vb
index 6ec7897..930d070 100644
--- a/Controller.vb
+++ b/Controller.vb
@@ -470,7 +470,7 @@ Public Class Controller
       ElseIf nFileType = FT.CSF Then
          bOk = bOk And EgtImportCsf(sFile)
       ElseIf nFileType = FT.BTL Then
-         bOk = bOk And EgtImportBtl(sFile, True, False)
+         bOk = bOk And EgtImportBtl(sFile, nFlag)
       End If
       EgtResetCurrPartLayer()
       DisableCommandLog()
diff --git a/EgtInterface.vb b/EgtInterface.vb
index 31fad67..144b7ef 100644
--- a/EgtInterface.vb
+++ b/EgtInterface.vb
@@ -1735,16 +1735,16 @@ Public Function EgtImportCsf(sFilePath As String) As Boolean
 End Function
 
 <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtImportBtl"), SuppressUnmanagedCodeSecurity()>
-Private Function EgtImportBtl_32(sFilePath As String, bFlatPos As Boolean, bSpecialTrim As Boolean) As Boolean
+Private Function EgtImportBtl_32(sFilePath As String, nFlag As Integer) As Boolean
 End Function
 <DllImport(EgtIntDll64, CharSet:=CharSet.Unicode, EntryPoint:="EgtImportBtl"), SuppressUnmanagedCodeSecurity()>
-Private Function EgtImportBtl_64(sFilePath As String, bFlatPos As Boolean, bSpecialTrim As Boolean) As Boolean
+Private Function EgtImportBtl_64(sFilePath As String, nFlag As Integer) As Boolean
 End Function
-Public Function EgtImportBtl(sFilePath As String, bFlatPos As Boolean, bSpecialTrim As Boolean) As Boolean
+Public Function EgtImportBtl(sFilePath As String, Optional nFlag As Integer = EIB_FL.NONE) As Boolean
    If IntPtr.Size = 4 Then
-      Return EgtImportBtl_32(sFilePath, bFlatPos, bSpecialTrim)
+      Return EgtImportBtl_32(sFilePath, nFlag)
    Else
-      Return EgtImportBtl_64(sFilePath, bFlatPos, bSpecialTrim)
+      Return EgtImportBtl_64(sFilePath, nFlag)
    End If
 End Function
 
@@ -11654,11 +11654,19 @@ Public Enum REGC As Integer
    OUT = 4
    INTERS = 5
 End Enum
-'Costanti : flag per import CNC
+'Costanti : flag per import CNC (sommabili tra loro)
 Public Enum EIC_FL As Integer
    NONE = 0
    CHAIN = 1
-   SKIP_RAPID = 2
+   SKIP_ZEROMACH = 2
+   SKIP_RAPID = 4
+End Enum
+'Costanti : flag per import BTL (sommabili tra loro)
+Public Enum EIB_FL As Integer
+   NONE = 0
+   FLAT_POS = 1
+   VERT_POS = 2
+   SPECIAL_TRIM = 4
 End Enum
 'Costanti : interruzione di riga
 Public Const LINE_BREAK As String = "<br/>"
diff --git a/My Project/AssemblyInfo.vb b/My Project/AssemblyInfo.vb
index 69b1661..f5b176d 100644
--- a/My Project/AssemblyInfo.vb	
+++ b/My Project/AssemblyInfo.vb	
@@ -46,5 +46,5 @@ Imports System.Runtime.InteropServices
 ' utilizzando l'asterisco (*) come descritto di seguito:
 ' <Assembly: AssemblyVersion("1.0.*")> 
 
-<Assembly: AssemblyVersion("1.8.10.6")> 
-<Assembly: AssemblyFileVersion("1.8.10.6")> 
+<Assembly: AssemblyVersion("1.8.10.7")> 
+<Assembly: AssemblyFileVersion("1.8.10.7")>