RuleExpressionCondition.Validate(RuleValidation) 方法

定义

验证表达式是否已正确配置且没有错误。Verifies that the expression is configured correctly and has no errors.

public:
 override bool Validate(System::Workflow::Activities::Rules::RuleValidation ^ validation);
public override bool Validate (System.Workflow.Activities.Rules.RuleValidation validation);
override this.Validate : System.Workflow.Activities.Rules.RuleValidation -> bool
Public Overrides Function Validate (validation As RuleValidation) As Boolean

参数

validation
RuleValidation

要管理验证过程的 RuleValidationThe RuleValidation to manage the validation process.

返回

Boolean

如果表达式没有错误,则为 true;否则为 falsetrue if the expression has no errors; otherwise, false.

例外

validator 为空引用(在 Visual Basic 中为 Nothing)。validator is a null reference (Nothing in Visual Basic).

注解

如果 RuleExpressionCondition 包含错误(Validate 方法返回 false),则 RuleValidation.Errors 将包含遇到的错误的列表。If the RuleExpressionCondition contains errors (the Validate method returns false), then RuleValidation.Errors will contain the list of errors encountered.

适用于