SpecialTypeDataContract.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / Serialization / System / Runtime / Serialization / SpecialTypeDataContract.cs / 1305376 / SpecialTypeDataContract.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.Runtime.Serialization 
{
    using System; 
    using System.Collections.Generic; 
    using System.Text;
    using System.Xml; 
    using System.Security;

    sealed class SpecialTypeDataContract : DataContract
    { 
        [Fx.Tag.SecurityNote(Critical = "Holds instance of CriticalHelper which keeps state that is cached statically for serialization."
            + " Static fields are marked SecurityCritical or readonly to prevent data from being modified or leaked to other components in appdomain.")] 
        [SecurityCritical] 
        SpecialTypeDataContractCriticalHelper helper;
 
        [Fx.Tag.SecurityNote(Critical = "Initializes SecurityCritical field 'helper'.",
            Safe = "Doesn't leak anything.")]
        [SecuritySafeCritical]
        public SpecialTypeDataContract(Type type) : base(new SpecialTypeDataContractCriticalHelper(type)) 
        {
            helper = base.Helper as SpecialTypeDataContractCriticalHelper; 
        } 

        [Fx.Tag.SecurityNote(Critical = "Initializes SecurityCritical field 'helper'.", 
            Safe = "Doesn't leak anything.")]
        [SecuritySafeCritical]
        public SpecialTypeDataContract(Type type, XmlDictionaryString name, XmlDictionaryString ns) : base(new SpecialTypeDataContractCriticalHelper(type, name, ns))
        { 
            helper = base.Helper as SpecialTypeDataContractCriticalHelper;
        } 
 
        internal override bool IsBuiltInDataContract
        { 
            get
            {
                return true;
            } 
        }
 
        [Fx.Tag.SecurityNote(Critical = "Holds all state used for for (de)serializing known types like System.Enum, System.ValueType, etc." 
            + " Since the data is cached statically, we lock down access to it.")]
        [SecurityCritical(SecurityCriticalScope.Everything)] 
        class SpecialTypeDataContractCriticalHelper : DataContract.DataContractCriticalHelper
        {
            internal SpecialTypeDataContractCriticalHelper(Type type) : base(type)
            { 
            }
 
            internal SpecialTypeDataContractCriticalHelper(Type type, XmlDictionaryString name, XmlDictionaryString ns) : base(type) 
            {
                SetDataContractName(name, ns); 
            }
        }
    }
} 


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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