static void setPdfField(AcroFields af, string name, string value, int size, bool bold) {
name = af.GetTranslatedFieldName(name);
af.SetFieldProperty(name, "textsize", (float)(size == 0 ? 10 : size), null);
af.SetFieldProperty(name, "textfont", bold ? fontBold : font, null);
af.SetField(name, value);
}