HttpCacheAgeControl Enum

Reference

Definition

Namespace:: System.Net.Cache

Assembly:: System.Net.Requests.dll

Assembly:: System.dll

Assembly:: netstandard.dll

Important

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Specifies the meaning of time values that control caching behavior for resources obtained using HttpWebRequest objects.

public enum class HttpCacheAgeControl

public enum HttpCacheAgeControl

type HttpCacheAgeControl =

Public Enum HttpCacheAgeControl

Inheritance: Object

ValueType

Enum
HttpCacheAgeControl

Fields

Name	Value	Description
None	0	For internal use only. The Framework will throw an ArgumentException if you try to use this member.
MinFresh	1	Content can be taken from the cache if the time remaining before expiration is greater than or equal to the time specified with this value.
MaxAge	2	Content can be taken from the cache until it is older than the age specified with this value.
MaxAgeAndMinFresh	3	MaxAge and MinFresh.
MaxStale	4	Content can be taken from the cache after it has expired, until the time specified with this value elapses.
MaxAgeAndMaxStale	6	MaxAge and MaxStale.

Examples

The following code example creates a policy based on MaxAgeAndMinFresh.

static HttpRequestCachePolicy^ CreateFreshAndAgePolicy( TimeSpan freshMinimum, TimeSpan ageMaximum )
{
   HttpRequestCachePolicy^ policy = gcnew HttpRequestCachePolicy( HttpCacheAgeControl::MaxAgeAndMinFresh,
       ageMaximum, freshMinimum );
   Console::WriteLine( policy );
   return policy;
}

public static HttpRequestCachePolicy CreateFreshAndAgePolicy(TimeSpan freshMinimum, TimeSpan ageMaximum)
{
    HttpRequestCachePolicy policy =
        new HttpRequestCachePolicy(HttpCacheAgeControl.MaxAgeAndMinFresh, ageMaximum, freshMinimum);
    Console.WriteLine(policy.ToString());
    return policy;
}

Remarks

This enumeration is used by members of the HttpRequestCachePolicy class to configure the time values for cache policies.

Applies to

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