Texbox exit event prevents userform exit

Hello, I have a userform with a mandatory textbox. Default value of this textbox is "ID". To force the user to enter an ID number in this textbox I'm using following code:

Private Sub TextBox102_Exit(ByVal Cancel As MSForms.ReturnBoolean)
    
If HasContent(TextBox102) = False Or TextBox102.Value = "ID" Then
    MsgBox ("ID mising !")
    With Me.TextBox102
        .Value = "ID"
        .SetFocus
        .SelStart = 0
        .SelLength = Len(.Text)
    End With
    Cancel = True
    Exit Sub
 Else
    GetData
 End If
End Sub

This works well but has an unwanted consequence: if the user clicks the form's exit button, he's trapped into the textbox exit event. The only way to get out of this is CTRL+BREAK command.

Private Sub CommandButton108_Click() 'Exit UserForm
    Unload Me
End Sub

Is there a workaround ? Thanks !