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StringFreezingAttribute Constructor

Initializes a new instance of the StringFreezingAttribute class.

Namespace:  System.Runtime.CompilerServices
Assembly:  mscorlib (in mscorlib.dll)

public StringFreezingAttribute()

The following code example demonstrates how to apply the StringFreezingAttribute to an assembly.

using System;
using System.Runtime.CompilerServices;

[assembly :StringFreezingAttribute()]

class Program

    string frozenString = "This is a frozen string after Ngen is run.";

    static void Main(string[] args)

        Console.WriteLine("The StringFreezingAttribute attribute was applied.");


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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