SpeakFriend.Utilities.Web.ValidatorBuilder.GetCalloutExtender C# (CSharp) Method

        public ValidatorCalloutExtender GetCalloutExtender(BaseValidator validator, string controlId)
        {
            return new ValidatorCalloutExtender
            {
                ID = controlId,
                TargetControlID = validator.ID,
                HighlightCssClass = _settings.CssClass_CalloutHighlight,
                WarningIconImageUrl = _settings.ImgPath_CalloutWarning
            };
        }

 internal void AddRequiredFieldValidator(ValidatorBuilder validatorBuilder, ValidationItem item)
 {
     var validator = validatorBuilder.GetRequiredFieldValidator(item, NextValidationControlId);
     Validators.Add(validator);
     var calloutExtender = validatorBuilder.GetCalloutExtender(validator, NextValidationControlId);
     AddToForm(validator, calloutExtender);
 }