CacheControlHeaderValue Class
.NET Framework 4.5
Represents the value of the Cache-Control header.
Namespace: System.Net.Http.Headers
Assembly: System.Net.Http (in System.Net.Http.dll)
The CacheControlHeaderValue type exposes the following members.
| Name | Description | |
|---|---|---|
  | CacheControlHeaderValue | Initializes a new instance of the CacheControlHeaderValue class. |
| Name | Description | |
|---|---|---|
 | Extensions | Cache-extension tokens, each with an optional assigned value. |
| MaxAge | The maximum age, specified in seconds, that the HTTP client is willing to accept a response. |
| MaxStale | Whether an HTTP client is willing to accept a response that has exceeded its expiration time. |
| MaxStaleLimit | The maximum time, in seconds, an HTTP client is willing to accept a response that has exceeded its expiration time. |
| MinFresh | The freshness lifetime, in seconds, that an HTTP client is willing to accept a response. |
| MustRevalidate | Whether the origin server require revalidation of a cache entry on any subsequent use when the cache entry becomes stale. |
| NoCache | Whether an HTTP client is willing to accept a cached response. |
| NoCacheHeaders | A collection of fieldnames in the "no-cache" directive in a cache-control header field on an HTTP response. |
| NoStore | Whether a cache must not store any part of either the HTTP request mressage or any response. |
| NoTransform | Whether a cache or proxy must not change any aspect of the entity-body. |
| OnlyIfCached | Whether a cache should either respond using a cached entry that is consistent with the other constraints of the HTTP request, or respond with a 504 (Gateway Timeout) status. |
| Private | Whether all or part of the HTTP response message is intended for a single user and must not be cached by a shared cache. |
| PrivateHeaders | A collection fieldnames in the "private" directive in a cache-control header field on an HTTP response. |
| ProxyRevalidate | Whether the origin server require revalidation of a cache entry on any subsequent use when the cache entry becomes stale for shared user agent caches. |
| Public | Whether an HTTP response may be cached by any cache, even if it would normally be non-cacheable or cacheable only within a non- shared cache. |
| SharedMaxAge | The shared maximum age, specified in seconds, in an HTTP response that overrides the "max-age" directive in a cache-control header or an Expires header for a shared cache. |
| Name | Description | |
|---|---|---|
| Equals | Determines whether the specified Object is equal to the current CacheControlHeaderValue object. (Overrides Object.Equals(Object).) |
 | Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
| GetHashCode | Serves as a hash function for a CacheControlHeaderValue object. (Overrides Object.GetHashCode().) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
 | Parse | Converts a string to an CacheControlHeaderValue instance. |
| ToString | Returns a string that represents the current CacheControlHeaderValue object. (Overrides Object.ToString().) |
| TryParse | Determines whether a string is valid CacheControlHeaderValue information. |
| Name | Description | |
|---|---|---|
  | ICloneable.Clone | Creates a new object that is a copy of the current CacheControlHeaderValue instance. |
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
