WPF 验证手动将错误添加到 Validation.Errors 集合中 [英] WPF Validation Manually Adding Errors into Validation.Errors Collection

问题描述

有什么方法可以手动/动态地将错误添加到 Validation.Errors 集合中?

Is there any way to manually/dynamically add errors to the Validation.Errors collection?

推荐答案

来自 http://www.wpftutorial.net/ValidationErrorByCode.html

ValidationError validationError = new ValidationError(regexValidationRule, 
    textBox.GetBindingExpression(TextBox.TextProperty));

validationError.ErrorContent = "This is not a valid e-mail address";

Validation.MarkInvalid(
    textBox.GetBindingExpression(TextBox.TextProperty), 
    validationError);

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