I want to replace every ActiveDocument.FormFields with text, but everything I try is not working

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I am currently looping though ActiveDocument.FormFields.Count and if it is a checkboox I want it to replace the checkbox with the value in text - "0" or "1".
Code:
Sub Test()
Dim strCheckBoxSlct As String
Dim strCheckBoxName As String
Dim strCheckBoxValue As String
For i = 1 To ActiveDocument.FormFields.Count
If ActiveDocument.FormFields(i).CheckBox Then
strCheckBoxName = ActiveDocument.FormFields(i).Name
strCheckBoxValue = ActiveDocument.FormFields(i).CheckBox.Value
strCheckBoxSlct = ActiveDocument.FormFields(i).Range
'ActiveDocument.FormFields(i).Delete
If strCheckBoxValue = True Then
' write 0
Else
' write 1
End If
End If
Next
End Sub