2010-02-01 12 views

risposta

16

da 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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