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Sign inExpression.VisitChildren(ExpressionVisitor) Method
Definition
Important
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Reduces the node and then calls the visitor delegate on the reduced expression. The method throws an exception if the node is not reducible.
protected public:
virtual System::Linq::Expressions::Expression ^ VisitChildren(System::Linq::Expressions::ExpressionVisitor ^ visitor);C#
protected internal virtual System.Linq.Expressions.Expression VisitChildren(System.Linq.Expressions.ExpressionVisitor visitor);abstract member VisitChildren : System.Linq.Expressions.ExpressionVisitor -> System.Linq.Expressions.Expression
override this.VisitChildren : System.Linq.Expressions.ExpressionVisitor -> System.Linq.Expressions.ExpressionProtected Friend Overridable Function VisitChildren (visitor As ExpressionVisitor) As Expression- visitor
- ExpressionVisitor
An instance of Func<T,TResult>.
The expression being visited, or an expression which should replace it in the tree.
Override this method to provide logic to walk the node's children. A typical implementation will call visitor.Visit on each of its children, and if any of them change, should return a new copy of itself with the modified children.
Applies to
| Product | Versions |
|---|---|
| .NET | Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10 |
| .NET Framework | 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1 |
| UWP | 10.0 |