語言

ExpressionEvaluator 建構函式

定義

初始化 ExpressionEvaluator 類別的新執行個體。

public ExpressionEvaluator(string type, AdaptiveExpressions.EvaluateExpressionDelegate evaluator, AdaptiveExpressions.ReturnType returnType = AdaptiveExpressions.ReturnType.Object, AdaptiveExpressions.ValidateExpressionDelegate validator = default);
new AdaptiveExpressions.ExpressionEvaluator : string * AdaptiveExpressions.EvaluateExpressionDelegate * AdaptiveExpressions.ReturnType * AdaptiveExpressions.ValidateExpressionDelegate -> AdaptiveExpressions.ExpressionEvaluator
Public Sub New (type As String, evaluator As EvaluateExpressionDelegate, Optional returnType As ReturnType = AdaptiveExpressions.ReturnType.Object, Optional validator As ValidateExpressionDelegate = Nothing)

參數

type
String

表達式類型。

evaluator
EvaluateExpressionDelegate

委託人評估一個表達方式。

returnType
ReturnType

評估時預期的類型。

validator
ValidateExpressionDelegate

靜態的表達驗證。

適用於