private ValidationResult ValidateProperty(object target, ConfigurationCollectionPropertyDefinition propertyModel, ConfigurationIdentity configIdentity, IEnumerable <ConfigurationSet> configurationSets)
{
var results = new List <ValidationResult>();
var propertyValue = propertyModel.GetPropertyValue(target) as IEnumerable;
var duplicateChecker = new HashSet <string>();
foreach (var value in propertyValue)
{
if (propertyModel.HasUniqueKey)
{
var key = propertyModel.GetKeyFromMember(value);
if (!duplicateChecker.Add(key))
{
results.Add(new ValidationResult(ValidationStrings.DuplicateKeys(propertyModel.ConfigurationPropertyName, key)));
}
}
results.Add(ValidateProperties(value, propertyModel.ConfigurationProperties, configIdentity, configurationSets));
}
return(new ValidationResult(results));
}
