public override PropertyConstraintViolationError Validate(object value, PropertyDefinition propertyDefinition, IPropertyBag propertyBag)
{
Uri uri = value as Uri;
if (uri != null && !this.IsExpectedScheme(uri.Scheme))
{
return(new PropertyConstraintViolationError(DataStrings.ConstraintViolationInvalidUriScheme(uri, this.MakeCommaSeparatedListOfAllowedSchemes()), propertyDefinition, value, this));
}
return(null);
}
