ExpressionVisitor.VisitBlock(BlockExpression) 方法

定義

命名空間:

System.Linq.Expressions

組件:

System.Linq.Expressions.dll

來源:

ExpressionVisitor.cs

造訪 BlockExpression 的子系。

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

參數

node

BlockExpression

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。