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Persistent URL Cache Functions
This section describes the functions used by applications that need persistent caching services. These functions allow an application to save data in the local file system for subsequent use, such as in situations where access to the data is over a low bandwidth link, or the access is not available at all. The calling program that inserts data into the persistent cache assigns a source name that is used to do operations such as retrieve the data, set and get some properties on the data, and delete data.
The protocols implemented in Win32 Internet functions use the cache functions to provide persistent caching and offline browsing. Unless explicitly specified not to cache through the INTERNET_FLAG_NO_CACHE_WRITE flag, Win32 Internet functions cache all data downloaded from the network. The responses to POST data are not cached.
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