ExpressionVisitor.VisitBlock(BlockExpression) 方法
定义
访问 BlockExpression 的子级。Visits the children of the BlockExpression.
protected public:
virtual System::Linq::Expressions::Expression ^ VisitBlock(System::Linq::Expressions::BlockExpression ^ node);
protected internal virtual System.Linq.Expressions.Expression VisitBlock (System.Linq.Expressions.BlockExpression node);
abstract member VisitBlock : System.Linq.Expressions.BlockExpression -> System.Linq.Expressions.Expression
override this.VisitBlock : System.Linq.Expressions.BlockExpression -> System.Linq.Expressions.Expression
Protected Friend Overridable Function VisitBlock (node As BlockExpression) As Expression
参数
- node
- BlockExpression
要访问的表达式。The expression to visit.
返回
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。The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.