vba code om vanuit excel het hele bestand te mailen

Private Sub CommandButton1_Click()
    Dim OutApp As Object
    Dim OutMail As Object
    
    If Not ActiveWorkbook.Saved Then
        If ActiveWorkbook.Path = "" Then
            MsgBox "Het document is nog niet opgeslagen.", vbCritical, "Mailen document"
            Exit Sub
        End If
        
        If MsgBox("De wijzigingen zijn nog niet opgeslagen. Doorgaan?", vbYesNo + vbCritical, "Mailen document") = vbNo Then
            Exit Sub
        End If
    End If
    
    Set OutApp = CreateObject("Outlook.Application")
    Set OutMail = OutApp.CreateItem(0)
    With OutMail
        .To = "edmoor@helpmij.nl"
        .CC = ""
        .BCC = ""
        .Subject = "Doorsturen"
        .Body = "Bij deze het bestand"
        .Attachments.Add ActiveWorkbook.FullName
        .Display
    End With
End Sub

Sub Send_Range()
   
   ' Een cellenbereik selecteren in het actieve werkblad.
   ActiveSheet.Range("A2:c9").Select
   
   ' De envelop weergeven in de actieve werkmap.
   ActiveWorkbook.EnvelopeVisible = True
   
   ' Een optionele toelichting toevoegen om
   ' een koptekst op te nemen in het e-mailbericht. Hiermee worden ook de regels
   ' Aan en Onderwerp ingesteld. Tot slot wordt het bericht
   ' verzonden.
   With ActiveSheet.MailEnvelope
      .Introduction = "Collega's, kunnen jullie bijgaand bestand verder in behandeling nemen."
      .Item.To = "email vermelden"
      .Item.Subject = "Onderwerp"
      .Item.Send
   End With
End Sub

Sub Send_Range()
    Dim OutApp As Object
    Dim OutMail As Object
    
    'Een cellenbereik selecteren in het actieve werkblad.
    HTMLBody = RangetoHTML(ActiveSheet.Range("A1:D10"))
    
    HTMLBody = "Collega's, <br> <br> Kunnen jullie bijgaand bestand verder in behandeling nemen.<br>" & HTMLBody

    Set OutApp = CreateObject("Outlook.Application")
    Set OutMail = OutApp.CreateItem(0)
    With OutMail
        .To = "edmoor@helpmij.nl"
        .CC = ""
        .BCC = ""
        .Subject = "Onderwerp"
        .HTMLBody = HTMLBody
        '.Attachments.Add ActiveWorkbook.FullName
        .Display
    End With

End Sub

Function RangetoHTML(rng As Range)
' Changed by Ron de Bruin 28-Oct-2006
' Working in Office 2000-2016
    Dim fso As Object
    Dim ts As Object
    Dim TempFile As String
    Dim TempWB As Workbook

    TempFile = Environ$("temp") & "\" & Format(Now, "dd-mm-yy h-mm-ss") & ".htm"

    'Copy the range and create a new workbook to past the data in
    rng.Copy
    Set TempWB = Workbooks.Add(1)
    With TempWB.Sheets(1)
        .Cells(1).PasteSpecial Paste:=8
        .Cells(1).PasteSpecial xlPasteValues, , False, False
        .Cells(1).PasteSpecial xlPasteFormats, , False, False
        .Cells(1).Select
        Application.CutCopyMode = False
        On Error Resume Next
        .DrawingObjects.Visible = True
        .DrawingObjects.Delete
        On Error GoTo 0
    End With

    'Publish the sheet to a htm file
    With TempWB.PublishObjects.Add( _
         SourceType:=xlSourceRange, _
         Filename:=TempFile, _
         Sheet:=TempWB.Sheets(1).Name, _
         Source:=TempWB.Sheets(1).UsedRange.Address, _
         HtmlType:=xlHtmlStatic)
        .Publish (True)
    End With

    'Read all data from the htm file into RangetoHTML
    Set fso = CreateObject("Scripting.FileSystemObject")
    Set ts = fso.GetFile(TempFile).OpenAsTextStream(1, -2)
    RangetoHTML = ts.readall
    ts.Close
    RangetoHTML = Replace(RangetoHTML, "align=center x:publishsource=", _
                          "align=left x:publishsource=")

    'Close TempWB
    TempWB.Close savechanges:=False

    'Delete the htm file we used in this function
    Kill TempFile

    Set ts = Nothing
    Set fso = Nothing
    Set TempWB = Nothing
End Function

.Subject = Range("B3") & Range("D3") & Range("B5") & Range("D5")