ExpressionVisitor.VisitConstant(ConstantExpression) 方法

定义

命名空间:

System.Linq.Expressions

程序集:

System.Linq.Expressions.dll

Source:

ExpressionVisitor.cs

访问 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

参数

node

ConstantExpression

要访问的表达式。

返回

Expression

如果修改了该表达式或任何子表达式，则为修改后的表达式；否则返回原始表达式。