private void InitCustomValidatorItems(DataRow root) { DataRow folderRow = null; foreach (var node in GetTypeAttributes(_modelType, IsCustomValidator).Select(CreateNode).Where(x => x != null)) { if (folderRow == null) { folderRow = AddRow(root, new FolderNode(UserMessages.FolderName_Validator)); } AddRow(folderRow, node); } bool IsCustomValidator(AttributeData attribute) { return(Compilation.GetKnownType(KnownTypes.CustomValidatorAttribute).Equals(attribute.AttributeClass)); } Node CreateNode((INamedTypeSymbol Type, AttributeData Attribute) info) { return(AttributeNode.CreateCustomValidator(this, info)); } }