HttpCachePolicyElement 类
定义
表示网络资源的默认 HTTP 缓存策略。Represents the default HTTP cache policy for network resources. 此类不能被继承。This class cannot be inherited.
public ref class HttpCachePolicyElement sealed : System::Configuration::ConfigurationElement
public sealed class HttpCachePolicyElement : System.Configuration.ConfigurationElement
type HttpCachePolicyElement = class
inherit ConfigurationElement
Public NotInheritable Class HttpCachePolicyElement
Inherits ConfigurationElement
- 继承
注解
此类对应于 < > (网络设置) 配置元素的 defaultHttpCachePolicy 元素。This class corresponds to the <defaultHttpCachePolicy> Element (Network Settings) configuration element.
此类用于指定 HTTP 缓存配置,该配置适用于通过使用和类获取的网络 WebRequest 资源 WebClient 。This class is used to specify the HTTP caching configuration that applies to network resources obtained by using the WebRequest and WebClient classes.
此类提供对可以存储在配置文件中的信息的编程访问。This class provides programmatic access to information that can be stored in configuration files.
构造函数
| HttpCachePolicyElement() |
初始化 HttpCachePolicyElement 类的新实例。Initializes a new instance of the HttpCachePolicyElement class. |
属性
| CurrentConfiguration |
获取对顶级 Configuration 实例的引用,该实例表示当前 ConfigurationElement 实例所属的配置层次结构。Gets a reference to the top-level Configuration instance that represents the configuration hierarchy that the current ConfigurationElement instance belongs to. (继承自 ConfigurationElement) |
| ElementInformation |
获取包含 ConfigurationElement 对象的不可自定义的信息和功能的 ElementInformation 对象。Gets an ElementInformation object that contains the non-customizable information and functionality of the ConfigurationElement object. (继承自 ConfigurationElement) |
| ElementProperty |
获取表示 ConfigurationElement 对象本身的 ConfigurationElementProperty 对象。Gets the ConfigurationElementProperty object that represents the ConfigurationElement object itself. (继承自 ConfigurationElement) |
| EvaluationContext |
获取 ConfigurationElement 对象的 ContextInformation 对象。Gets the ContextInformation object for the ConfigurationElement object. (继承自 ConfigurationElement) |
| HasContext |
获取一个值,该值指示 CurrentConfiguration 属性是否为 |
| Item[ConfigurationProperty] |
获取或设置此配置元素的属性或特性。Gets or sets a property or attribute of this configuration element. (继承自 ConfigurationElement) |
| Item[String] |
获取或设置此配置元素的属性、特性或子元素。Gets or sets a property, attribute, or child element of this configuration element. (继承自 ConfigurationElement) |
| LockAllAttributesExcept |
获取被锁定的特性的集合。Gets the collection of locked attributes. (继承自 ConfigurationElement) |
| LockAllElementsExcept |
获取被锁定的元素的集合。Gets the collection of locked elements. (继承自 ConfigurationElement) |
| LockAttributes |
获取被锁定的特性的集合。Gets the collection of locked attributes. (继承自 ConfigurationElement) |
| LockElements |
获取被锁定的元素的集合。Gets the collection of locked elements. (继承自 ConfigurationElement) |
| LockItem |
获取或设置一个值,该值指示是否已锁定该元素。Gets or sets a value indicating whether the element is locked. (继承自 ConfigurationElement) |
| MaximumAge |
获取或设置从缓存返回的资源所允许的最大生存期。Gets or sets the maximum age permitted for a resource returned from the cache. |
| MaximumStale |
获取或设置从缓存返回的资源所允许的最大过期值。Gets or sets the maximum staleness value permitted for a resource returned from the cache. |
| MinimumFresh |
获取或设置从缓存返回的资源所允许的最小新鲜值。Gets or sets the minimum freshness permitted for a resource returned from the cache. |
| PolicyLevel |
获取或设置本地计算机的 HTTP 缓存行为。Gets or sets HTTP caching behavior for the local machine. |
| Properties |
获取属性的集合。Gets the collection of properties. (继承自 ConfigurationElement) |
方法
| DeserializeElement(XmlReader, Boolean) |
从配置文件读取 XML。Reads XML from the configuration file. (继承自 ConfigurationElement) |
| Equals(Object) |
将当前的 ConfigurationElement 实例与指定的对象进行比较。Compares the current ConfigurationElement instance to the specified object. (继承自 ConfigurationElement) |
| GetHashCode() |
获取表示当前 ConfigurationElement 实例的唯一值。Gets a unique value representing the current ConfigurationElement instance. (继承自 ConfigurationElement) |
| GetTransformedAssemblyString(String) |
返回指定程序集名称的转换版本。Returns the transformed version of the specified assembly name. (继承自 ConfigurationElement) |
| GetTransformedTypeString(String) |
返回指定类型名称的转换版本。Returns the transformed version of the specified type name. (继承自 ConfigurationElement) |
| GetType() |
获取当前实例的 Type。Gets the Type of the current instance. (继承自 Object) |
| Init() |
将 ConfigurationElement 对象设置为其初始状态。Sets the ConfigurationElement object to its initial state. (继承自 ConfigurationElement) |
| InitializeDefault() |
用于初始化 ConfigurationElement 对象的默认值集。Used to initialize a default set of values for the ConfigurationElement object. (继承自 ConfigurationElement) |
| IsModified() |
指示自上次保存或加载该配置元素后并在派生类中实现该元素时,该元素是否已被修改。Indicates whether this configuration element has been modified since it was last saved or loaded, when implemented in a derived class. (继承自 ConfigurationElement) |
| IsReadOnly() |
获取一个值,该值指示 ConfigurationElement 对象是否为只读。Gets a value indicating whether the ConfigurationElement object is read-only. (继承自 ConfigurationElement) |
| ListErrors(IList) |
将此 ConfigurationElement 对象以及所有子元素中无效属性的错误添加到传递的列表中。Adds the invalid-property errors in this ConfigurationElement object, and in all subelements, to the passed list. (继承自 ConfigurationElement) |
| MemberwiseClone() |
创建当前 Object 的浅表副本。Creates a shallow copy of the current Object. (继承自 Object) |
| OnDeserializeUnrecognizedAttribute(String, String) |
获取一个值,该值指示反序列化过程中是否遇到未知特性。Gets a value indicating whether an unknown attribute is encountered during deserialization. (继承自 ConfigurationElement) |
| OnDeserializeUnrecognizedElement(String, XmlReader) |
获取一个值,该值指示反序列化过程中是否遇到未知元素。Gets a value indicating whether an unknown element is encountered during deserialization. (继承自 ConfigurationElement) |
| OnRequiredPropertyNotFound(String) |
找不到所需属性时引发异常。Throws an exception when a required property is not found. (继承自 ConfigurationElement) |
| PostDeserialize() |
反序列化后调用。Called after deserialization. (继承自 ConfigurationElement) |
| PreSerialize(XmlWriter) |
在序列化之前调用。Called before serialization. (继承自 ConfigurationElement) |
| Reset(ConfigurationElement) |
重置 ConfigurationElement 对象的内部状态,包括锁和属性集合。Resets the internal state of the ConfigurationElement object, including the locks and the properties collections. (继承自 ConfigurationElement) |
| ResetModified() |
在派生类中实现时,将 IsModified() 方法的值重置为 |
| SerializeElement(XmlWriter, Boolean) |
当在派生类中实现后,将此配置元素的内容写入配置文件。Writes the contents of this configuration element to the configuration file when implemented in a derived class. (继承自 ConfigurationElement) |
| SerializeToXmlElement(XmlWriter, String) |
当在派生类中实现后,将此配置元素的外部标记写入配置文件。Writes the outer tags of this configuration element to the configuration file when implemented in a derived class. (继承自 ConfigurationElement) |
| SetPropertyValue(ConfigurationProperty, Object, Boolean) |
将属性设置为指定值。Sets a property to the specified value. (继承自 ConfigurationElement) |
| SetReadOnly() |
设置 ConfigurationElement 对象及所有子元素的 IsReadOnly() 属性。Sets the IsReadOnly() property for the ConfigurationElement object and all subelements. (继承自 ConfigurationElement) |
| ToString() |
返回表示当前对象的字符串。Returns a string that represents the current object. (继承自 Object) |
| Unmerge(ConfigurationElement, ConfigurationElement, ConfigurationSaveMode) |
修改 ConfigurationElement 对象以移除所有不应该保存的值。Modifies the ConfigurationElement object to remove all values that should not be saved. (继承自 ConfigurationElement) |