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HTTP_CACHE_POLICY_TYPE enumeration (http.h)

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The HTTP_CACHE_POLICY_TYPE enumeration type defines available cache policies. It is used to restrict the values of the Policy member of the HTTP_CACHE_POLICY structure, which in turn is used in the pCachePolicy parameter of the HttpAddFragmentToCache function to specify how a response fragment is cached.

Syntax

typedef enum _HTTP_CACHE_POLICY_TYPE {
  HttpCachePolicyNocache,
  HttpCachePolicyUserInvalidates,
  HttpCachePolicyTimeToLive,
  HttpCachePolicyMaximum
} HTTP_CACHE_POLICY_TYPE, *PHTTP_CACHE_POLICY_TYPE;

Constants

 
HttpCachePolicyNocache
Do not cache this value at all.
HttpCachePolicyUserInvalidates
Cache this value until the user provides a different one.
HttpCachePolicyTimeToLive
Cache this value for a specified time and then remove it from the cache.
HttpCachePolicyMaximum
Terminates the enumeration; not used to determine policy.

Requirements

   
Minimum supported client Windows Vista, Windows XP with SP2 [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Header http.h

See also

HTTP_CACHE_POLICY

HttpAddFragmentToCache