ExpressionVisitor.VisitConstant(ConstantExpression) 方法

定義

命名空間:

System.Linq.Expressions

組件:

System.Linq.Expressions.dll

來源:

ExpressionVisitor.cs

造訪 ConstantExpression。

protected public:
 virtual System::Linq::Expressions::Expression ^ VisitConstant(System::Linq::Expressions::ConstantExpression ^ node);

protected internal virtual System.Linq.Expressions.Expression VisitConstant (System.Linq.Expressions.ConstantExpression node);

abstract member VisitConstant : System.Linq.Expressions.ConstantExpression -> System.Linq.Expressions.Expression
override this.VisitConstant : System.Linq.Expressions.ConstantExpression -> System.Linq.Expressions.Expression

Protected Friend Overridable Function VisitConstant (node As ConstantExpression) As Expression

參數

node

ConstantExpression

要造訪的運算式。

傳回

Expression

如果運算式本身或是任一子運算式已經修正，會傳回修正的運算式，否則傳回原始運算式。