<?xml version="1.0" encoding="utf-8"?> <Namespace Name="System.Linq.Expressions"> <Docs> <summary> <attribution license="cc4" from="Microsoft" modified="false" /> <para>The <see cref="N:System.Linq.Expressions" /> namespace contains classes, interfaces and enumerations that enable language-level code expressions to be represented as objects in the form of expression trees.</para> </summary> <remarks> <attribution license="cc4" from="Microsoft" modified="false" /> <para>The abstract class <see cref="T:System.Linq.Expressions.Expression" /> provides the root of a class hierarchy used to model expression trees.</para> <para>The classes in this namespace that derive from <see cref="T:System.Linq.Expressions.Expression" />, for example <see cref="T:System.Linq.Expressions.MemberExpression" /> and <see cref="T:System.Linq.Expressions.ParameterExpression" />, are used to represent nodes in an expression tree. The <see cref="T:System.Linq.Expressions.Expression" /> class contains static (Shared in Visual Basic) factory methods to create expression tree nodes of the various types.</para> <para>The enumeration type <see cref="T:System.Linq.Expressions.ExpressionType" /> specifies the unique node types.</para> </remarks> </Docs> </Namespace>