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