输入框为假时如何停止VBA并删除复制的工作簿

Question

我希望能够将活动wookbook的副本保存在特定文件夹中，并将该文件作为电子邮件附件发送。我已经准备好文件名了，但是如果有人想更改文件名，我添加了一个输入框，该框在我按取消之前都可以正常工作，只是尝试将文件名保存为“ false”，这是我想要的要做的是退出子菜单，并杀死/关闭复制的工作簿，如果文件未保存，则不显示消息框消息

Sub SaveandSend()
'Working in Excel 97-2016
    Dim FileExtStr As String
    Dim FileFormatNum As Long
    Dim SourceWB As Workbook
    Dim Destwb As Workbook
    Dim TempFilePath As String
    Dim TempFileName As String
    Dim xOutApp As Object
    Dim xOutMail As Object
    Dim xMailBody As String



    On Error Resume Next
    Set xOutApp = CreateObject("Outlook.Application")
    Set xOutMail = xOutApp.CreateItem(0)
    xMailBody = "Body content" & vbNewLine & vbNewLine & _
              "This is line 1" & vbNewLine & _
              "This is line 2"
                  On Error Resume Next

    With Application
        .ScreenUpdating = False
        .EnableEvents = False
    End With

    Set SourceWB = ActiveWorkbook

    'Copy the sheet to a new workbook
    ActiveSheet.Copy
    Set Destwb = ActiveWorkbook

    'Determine the Excel version and file extension/format
    With Destwb
        If Val(Application.Version) < 12 Then
            'You use Excel 97-2003
            FileExtStr = ".xls": FileFormatNum = -4143
        Else
            'You use Excel 2007-2016
                Select Case SourceWB.FileFormat
                Case 51: FileExtStr = ".xlsx": FileFormatNum = 51
                Case 52:
                    If .HasVBProject Then
                        FileExtStr = ".xlsm": FileFormatNum = 52
                    Else
                        FileExtStr = ".xlsx": FileFormatNum = 51
                    End If
                Case 56: FileExtStr = ".xls": FileFormatNum = 56
                Case Else: FileExtStr = ".xlsb": FileFormatNum = 50
                End Select
            End If
    End With


        'Change all cells in the worksheet to values if you want
        With Destwb.Sheets(1).UsedRange
            .Cells.Copy
            .Cells.PasteSpecial xlPasteValues
            .Cells(1).Select
        End With
        Application.CutCopyMode = False

 DefaultName = Range("a1") & " Time Sheet WEEK END" & " " & Range("A3").Text



    'Save the new workbook and close it
    TempFilePath = Application.DefaultFilePath & "\"
    TempFileName = Application.InputBox("What would you like to name your attachment? (No Special Characters!)", _
    "File Name", Type:=2, Default:=DefaultName)



    With Destwb
        .SaveAs TempFilePath & TempFileName & FileExtStr, FileFormat:=FileFormatNum


        With xOutMail
        .To = ""
        .CC = ""
        .BCC = ""
        .Subject = "Test email send by button clicking"
        .Body = xMailBody
        .Attachments.Add ActiveWorkbook.FullName
        .Display   'or use .Send

    End With
    On Error GoTo 0
    Set xOutMail = Nothing
    Set xOutApp = Nothing
        .Close SaveChanges:=False
    End With

    MsgBox "You can find the new file in " & TempFilePath

    With Application
        .ScreenUpdating = True
        .EnableEvents = True



'Clear Memory
  Set OutlookMessage = Nothing
  Set OutlookApp = Nothing

'Optimize Code
ExitSub:
  Application.ScreenUpdating = True
  Application.EnableEvents = True
  Application.DisplayAlerts = True

    End With
End Sub