Understanding what response codes come back from MsgBox

Question

I\'m very new to programming and I\'m just starting to learn VBA with excel. I came across on this website and did the examples here but I have question about this code:

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Answer 1

6 and 7 are the return codes from the MsgBox method. Basically, when MsgBox is called, it shows a message-box to the user, who clicks either "Yes", "No", or "Cancel". The user's selection is returned from the MsgBox method as a number, where 6 is Yes, and 7 is No.

It is considered best-practice not to use these numbers in your code directly, but instead to use Microsoft supplied constants which represent them. Your code could be re-written as:

Private Sub CommandButton1_Click()
    Dim message As Integer
    message = MsgBox("Click Yes to Proceed, No to stop", vbYesNoCancel, "Login")
    If message = vbYes Then
        Range("A1").Value = "You may proceed"
        ActiveWorkbook.Activate 
    ElseIf message = vbNo Then
        ActiveWorkbook.Close
    ElseIf message = vbCancel Then
        'Do nothing.
    End If
End Sub