Contains the available query options for CoInternetQueryInfo.
Syntax
typedef enum _tagQUERYOPTION { QUERY_EXPIRATION_DATE = 1, QUERY_TIME_OF_LAST_CHANGE, QUERY_CONTENT_ENCODING, QUERY_CONTENT_TYPE, QUERY_REFRESH, QUERY_RECOMBINE, QUERY_CAN_NAVIGATE, QUERY_USES_NETWORK, QUERY_IS_CACHED, QUERY_IS_INSTALLEDENTRY, QUERY_IS_CACHED_OR_MAPPED, QUERY_USES_CACHE, QUERY_IS_SECURE, QUERY_IS_SAFE, QUERY_USES_HISTORYFOLDER, QUERY_IS_CACHED_AND_USABLE_OFFLINE } QUERYOPTION;
Constants
- QUERY_EXPIRATION_DATE
Request the expiration date in a SYSTEMTIME format.
- QUERY_TIME_OF_LAST_CHANGE
Request the last changed date in a SYSTEMTIME format.
- QUERY_CONTENT_ENCODING
Request the content encoding schema.
- QUERY_CONTENT_TYPE
Request the content type header.
- QUERY_REFRESH
Request a refresh.
- QUERY_RECOMBINE
Combine the page URL with the nearest base URL if TRUE.
- QUERY_CAN_NAVIGATE
Check if the protocol can navigate.
- QUERY_USES_NETWORK
Check if the URL needs to access the network.
- QUERY_IS_CACHED
Check if the resource is cached locally.
- QUERY_IS_INSTALLEDENTRY
Check if this resource is installed locally on a CD-ROM.
- QUERY_IS_CACHED_OR_MAPPED
Check if this resource is stored in the cache or if it is on a mapped drive (in a cache container).
- QUERY_USES_CACHE
Check if the specified protocol uses the Internet cache.
- QUERY_IS_SECURE
Check if the protocol is encrypted.
- QUERY_IS_SAFE
Check if the protocol only serves trusted content.
- QUERY_USES_HISTORYFOLDER
Windows Internet Explorer 7. Check whether the URLs from this protocol appear in history.
- QUERY_IS_CACHED_AND_USABLE_OFFLINE
Internet Explorer 9. If the cache entry is available and can be used offline (not expired or flagged to revalidate), then CoInternetQueryInfo returns TRUE in pvBuffer; FALSE otherwise.
Enumerated Type Information
Header Urlmon.h Minimum availability Internet Explorer 3.0 Minimum operating systems Windows NT 4.0, Windows 95, Windows CE 2.12