The freshness lifetime, in seconds, that an HTTP client is willing to accept a response.
Assembly: System.Net.Http (in System.Net.Http.dll)
This property represents the "min-fresh" directive in a cache-control header field on an HTTP request.
The property indicates that the HTTP client is willing to accept a response whose freshness lifetime is no less than its current age plus the freshness lifetime specified time in seconds. The client wants a response that will still be fresh for at least the current age plus the freshness lifetime.
Windows 8.1, Windows Server 2012 R2, 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.