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NewExpression Class

Represents a constructor call.

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

public sealed class NewExpression : Expression

Use the New factory methods to create a NewExpression.

The value of the NodeType property of a NewExpression object is New.

The following example creates a NewExpression that represents the construction of a new instance of a dictionary object.

// Create a NewExpression that represents constructing 
// a new instance of Dictionary<int, string>.
System.Linq.Expressions.NewExpression newDictionaryExpression =
    System.Linq.Expressions.Expression.New(typeof(Dictionary<int, string>));

Console.WriteLine(newDictionaryExpression.ToString());

// This code produces the following output: 
// 
// new Dictionary`2()

System.Object
  System.Linq.Expressions.Expression
    System.Linq.Expressions.NewExpression

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

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