QUERYOPTION enumeration

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
  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.

Requirements