Field.Locked Property (Word)
True if the specified field is locked. Read/write Boolean.
Syntax
expression .Locked
expression Required. A variable that represents a Field object.
Remarks
When a field is locked, you cannot update the field results.
Example
This example inserts a DATE field at the beginning of the selection and then locks the field.
Selection.Collapse Direction:=wdCollapseStart
Set myField = ActiveDocument.Fields.Add(Range:=Selection.Range, _
Type:=wdFieldDate)
myField.Locked = True