This documentation is archived and is not being maintained.

MemberExpression Class

Represents accessing a field or property.

Namespace:  System.Linq.Expressions
Assembly:  System.Core (in System.Core.dll)

public sealed class MemberExpression : Expression

Use the Field, Property or PropertyOrField factory methods to create a MemberExpression.

The value of the NodeType property of a MemberExpression is MemberAccess.

The following example creates a MemberExpression that represents getting the value of a field member.

class Animal
    public string species;

public static void CreateFieldExpression()
    Animal horse = new Animal();

    // Create a MemberExpression that represents getting 
    // the value of the 'species' field of class 'Animal'.
    System.Linq.Expressions.MemberExpression memberExpression =


    // This code produces the following output: 
    // value(CodeSnippets.FieldExample+Animal).species


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5