如何强制使IValidationErrorService更新?

问题描述

如何强制对其进行更新?似乎在加载文件时不会自动更新.我的情况就是这样

How to force it to update? It seems that it does not get automatically updated when loading a file. My case is something like this

 

          _designer = new WorkflowDesigner();

           //设置验证服务
           _validationService =新的ValidationErrorService();
           _designer.Context.Services.Publish< IValidationErrorService>(_ validationService);

           _designer.Load(_file);
           bool b = _validationService.IsValid;

           _designer = new WorkflowDesigner();

            //set up validation service
            _validationService = new ValidationErrorService();
            _designer.Context.Services.Publish<IValidationErrorService>(_validationService);

            _designer.Load(_file);
            bool b = _validationService.IsValid;

变量b为false(即使加载的工作流程有效).之后仅一会儿IsValid更改为true(我不知道是什么触发了它).如何立即获得validationService的验证?

the variable b is false (eventhough the loaded workflow is valid). Only a while after that IsValid gets changed to true (I don't know what triggers it). How can I get the validationService validated instantaneously?

 

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