﻿<?xml version="1.0" encoding="utf-8"?><Type Name="DnsPermissionAttribute" FullName="System.Net.DnsPermissionAttribute" FullNameSP="System_Net_DnsPermissionAttribute" Maintainer="ecma"><TypeSignature Language="ILASM" Value=".class public sealed serializable DnsPermissionAttribute extends System.Security.Permissions.CodeAccessSecurityAttribute" /><TypeSignature Language="C#" Value="public sealed class DnsPermissionAttribute : System.Security.Permissions.CodeAccessSecurityAttribute" /><TypeSignature Language="ILAsm" Value=".class public auto ansi serializable sealed beforefieldinit DnsPermissionAttribute extends System.Security.Permissions.CodeAccessSecurityAttribute" /><MemberOfLibrary>Networking</MemberOfLibrary><AssemblyInfo><AssemblyName>System</AssemblyName><AssemblyPublicKey>[00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 ]</AssemblyPublicKey><AssemblyVersion>1.0.x.x</AssemblyVersion><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><ThreadingSafetyStatement>All public static members of this type are safe for multithreaded operations. No instance members are guaranteed to be thread safe.</ThreadingSafetyStatement><Base><BaseTypeName>System.Security.Permissions.CodeAccessSecurityAttribute</BaseTypeName></Base><Interfaces /><Attributes><Attribute><AttributeName>System.AttributeUsage(System.AttributeTargets.Assembly | System.AttributeTargets.Class | System.AttributeTargets.Struct | System.AttributeTargets.Constructor | System.AttributeTargets.Method | System.AttributeTargets.All, AllowMultiple=true, Inherited=false)</AttributeName></Attribute></Attributes><Docs><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>The security information declared by <see cref="T:System.Net.DnsPermissionAttribute" /> is stored in the metadata of the attribute target, which is the class to which the <see cref="T:System.Net.DnsPermissionAttribute" /> is applied. The system then accesses this information at run time. The <see cref="T:System.Security.Permissions.SecurityAction" /> that is passed to the constructor determines the allowable DNS targets.</para><para>These security attributes are used only for <format type="text/html"><a href="97E21EFD-6E89-4115-90D5-AD239513DAD8">[&lt;topic://cpcondeclarativesecurity&gt;]</a></format>. For <format type="text/html"><a href="15AAB1E1-6B7D-41AD-B102-C1ED7BEDEA27">[&lt;topic://cpconimperativesecurity&gt;]</a></format>, use the corresponding <see cref="T:System.Net.DnsPermission" /> class.</para><para>Security access is either fully restricted or fully unrestricted. Set the <see cref="F:System.Security.Permissions.PermissionState.Unrestricted" /> property to true to grant access, or false for no access. Set this property as a named parameter.</para><para>For more information about using attributes, see <format type="text/html"><a href="30386922-1E00-4602-9EBF-526B271A8B87">[&lt;topic://cpconExtendingMetadataUsingAttributes&gt;]</a></format>.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Specifies permission to request information from Domain Name Servers.</para></summary></Docs><Members><Member MemberName=".ctor"><MemberSignature Language="ILASM" Value="public rtspecialname specialname instance void .ctor(valuetype System.Security.Permissions.SecurityAction action)" /><MemberSignature Language="C#" Value="public DnsPermissionAttribute (System.Security.Permissions.SecurityAction action);" /><MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(valuetype System.Security.Permissions.SecurityAction action) cil managed" /><MemberType>Constructor</MemberType><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><ReturnValue /><Parameters><Parameter Name="action" Type="System.Security.Permissions.SecurityAction" /></Parameters><Docs><exception cref="T:System.ArgumentException"><paramref name="action" /> is not a valid <see cref="T:System.Security.Permissions.SecurityAction" /> value. </exception><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>The <see cref="T:System.Security.Permissions.SecurityAction" /> value that is passed to this constructor specifies the allowable <see cref="T:System.Net.DnsPermissionAttribute" /> targets.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Net.DnsPermissionAttribute" /> class with the specified <see cref="T:System.Security.Permissions.SecurityAction" /> value.</para></summary><param name="action"><attribution license="cc4" from="Microsoft" modified="false" />One of the <see cref="T:System.Security.Permissions.SecurityAction" /> values. </param></Docs><Excluded>0</Excluded></Member><Member MemberName="CreatePermission"><MemberSignature Language="ILASM" Value=".method public hidebysig virtual class System.Security.IPermission CreatePermission()" /><MemberSignature Language="C#" Value="public override System.Security.IPermission CreatePermission ();" /><MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance class System.Security.IPermission CreatePermission() cil managed" /><MemberType>Method</MemberType><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><ReturnValue><ReturnType>System.Security.IPermission</ReturnType></ReturnValue><Parameters /><Docs><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>The CreatePermission method is called by the security system, not by application code.</para><para>The security information described by <see cref="T:System.Net.DnsPermissionAttribute" /> is stored in the metadata of the attribute target, which is the class to which <see cref="T:System.Net.DnsPermissionAttribute" /> is applied. The system then accesses the information at run time and calls <see cref="M:System.Net.DnsPermissionAttribute.CreatePermission" />. The system uses the returned <see cref="T:System.Security.IPermission" /> to enforce the specified security requirements.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Creates and returns a new instance of the <see cref="T:System.Net.DnsPermission" /> class.</para></summary><returns><attribution license="cc4" from="Microsoft" modified="false" /><para>A <see cref="T:System.Net.DnsPermission" /> that corresponds to the security declaration.</para></returns></Docs><Excluded>0</Excluded></Member></Members><TypeExcluded>0</TypeExcluded></Type>