ApiExamples.MergeField.UpdateFieldCode C# (CSharp) Метод

        private void UpdateFieldCode(string fieldName)
        {
            // Field code is stored in a Run node between field start and field separator.
            Run fieldCode = (Run)this.mFieldStart.NextSibling;
            Match match = gRegex.Match(fieldCode.Text);

            string newFieldCode = string.Format(" {0}{1} ", match.Groups["start"].Value, fieldName);
            fieldCode.Text = newFieldCode;

            // But sometimes the field code can consist of more than one run, delete these runs.
            RemoveSameParent(fieldCode.NextSibling, this.mFieldSeparator);
        }