WinInet Functions

Article
11/18/2015

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4/8/2010

On Windows Mobile, all WinInet functions are aliased to call the Unicode implementation. (On the desktop WinInet functions are aliased to call the ANSI implementation.)

The following table shows the WinInet functions with a description of the purpose of each.

Programming element	Description
CommitUrlCacheEntry	This function stores data in the specified file in the Internet cache and associates it with the given Uniform Resource Locator (URL).
CreateUrlCacheEntry	This function creates a local file name for saving the cache entry based on the specified URL and the file extension.
DeleteUrlCacheEntry	This function removes the file associated with the source name from the cache, if the file exists.
FindCloseUrlCache	This function closes the specified cache enumeration handle.
FindFirstUrlCacheEntry	This function begins the enumeration of the Internet cache.
FindFirstUrlCacheEntryEx	This function begins a filtered enumeration of the Internet cache.
FindNextUrlCacheEntry	This function retrieves the next entry in the Internet cache.
FindNextUrlCacheEntryEx	This function finds the next cache entry in a cache enumeration started by the FindFirstUrlCacheEntryEx function.
FtpCommand	This function issues an arbitrary FTP command to the FTP server.
FtpCreateDirectory	This function creates a new directory on the FTP server.
FtpDeleteFile	This function deletes a file stored on the FTP server.
FtpFindFirstFile	This function searches the specified directory of the specified FTP session.
FtpGetCurrentDirectory	This function retrieves the current directory for the specified FTP session.
FtpGetFile	This function retrieves a file from the FTP server and stores it under the specified file name, creating a new local file in the process.
FtpGetFileEx	This function retrieves a file from the FTP server and stores it under the specified file name, creating a new local file in the process.
FtpGetFileSize	This function retrieves the file size of the requested FTP resource.
FtpOpenFile	This function initiates access to a remote file for writing or reading.
FtpPutFile	This function stores a file on the FTP server.
FtpPutFileEx	This function stores a file on the FTP server.
FtpRemoveDirectory	This function removes the specified directory on the FTP server.
FtpRenameFile	This function renames a file stored on the FTP server.
FtpSetCurrentDirectory	This function changes to a different working directory on the FTP server.
GetUrlCacheEntryInfo	This function retrieves data about a cache entry.
GetUrlCacheEntryInfoEx	This function searches for the Uniform Resource Locator (URL) after translating any cached redirections applied in offline mode by the HttpSendRequest function.
HttpAddRequestHeaders	This function adds one or more Hypertext Transfer Protocol (HTTP) request headers to the HTTP request handle.
HttpEndRequest	This function ends an HTTP request that was initiated by HttpSendRequestEx.
HttpOpenRequest	This function opens an HTTP request handle.
HttpQueryInfo	This function queries for information about an HTTP request.
INTERNET_STATUS_CALLBACK	This function is a prototype for an application-defined status callback function.
InternetAttemptConnect	This function attempts to make a connection to the Internet.
InternetCheckConnection	This function allows an application to check if a connection to the Internet can be established.
InternetCloseHandle	This function closes a single Internet handle or a subtree of Internet handles.
InternetCombineUrl	This function combines a base and relative URL into a single URL. The resultant URL is canonicalized.
InternetConfirmZoneCrossing	This function checks for changes between secure and nonsecure URLs.
InternetConnect	This function opens an FTP or HTTP session for a specified site.
InternetCrackUrl	This function breaks down a URL into its component parts.
InternetCreateUrl	This function creates a URL from its component parts.
InternetErrorDlg	This function displays a dialog box for the error that is passed to it, if an appropriate dialog box exists.
InternetFindNextFile	This function continues a file search from a previous call to FtpFindFirstFile.
InternetGetConnectedState	This function retrieves the connected state of the local system.
InternetGetConnectedStateEx	This function retrieves the connected state of the specified Internet connection.
InternetGetCookie	This function retrieves the cookie for the specified URL.
InternetGetLastResponseInfo	This function retrieves the last WinInet function error description or server response on the thread calling this function.
InternetGoOnline	This function prompts the user for permission to initiate connection to a URL.
InternetLockRequestFile	This function allows the user to place a lock on the file that is being used.
InternetOpen	This function initializes an application's use of the WinInet functions.
InternetOpenUrl	This function begins reading a complete FTP or HTTP Universal Resource Locator (URL).
InternetQueryDataAvailable	This function queries the amount of data available.
InternetQueryOption	This function queries an Internet option on the specified handle.
InternetReadFile	This function reads data from a handle opened by the InternetOpenUrl, FtpOpenFile, or HttpOpenRequest function.
InternetReadFileEx	This function reads data from a handle opened by the InternetOpenUrl, FtpOpenFile, or HttpOpenRequest function.
InternetSetCookie	This function creates a cookie associated with the specified URL.
InternetSetCookieEx	This function creates a cookie associated with the specified URL.
InternetSetFilePointer	This function sets a file position for InternetReadFile.
InternetSetOption	This function sets an Internet option on the specified handle.
InternetSetOptionEx	This function sets an Internet option.
InternetSetStatusCallback	This function sets up a callback function that WinInet functions can call as progress is made during an operation.
InternetTimeFromSystemTime	This function formats a date and time according to the specified RFC format — as specified in the Hypertext Transfer Protocol (HTTP) Specification 1.0.
InternetTimeToSystemTime	This function takes an HTTP time/date string and converts it to a SYSTEMTIME structure.
InternetUnlockRequestFile	This function unlocks a file that was locked using InternetLockRequestFile.
InternetWriteFile	This function writes data to an open Internet file.
RetrieveUrlCacheEntryFile	This function locks the cache entry file associated with the specified URL.
SetUrlCacheEntryInfo	This function sets the specified members of the INTERNET_CACHE_ENTRY_INFO structure.
UnlockUrlCacheEntryFile	This function unlocks the cache entry that was locked while the file was retrieved for use from the cache.
InternetSetPerSiteCookieDecisionA	Sets a decision on cookies for a given domain. ANSI implementation.
InternetSetPerSiteCookieDecisionW	Sets a decision on cookies for a given domain. Unicode implementation.
InternetGetPerSiteCookieDecisionA	Retrieves a decision on cookies for a given domain. ANSI implementation.
InternetGetPerSiteCookieDecisionW	Retrieves a decision on cookies for a given domain. Unicode implementation.
InternetClearAllPerSiteCookieDecisions	Clears all decisions that were made about cookies on a site by site basis.
InternetEnumPerSiteCookieDecisionA	Retrieves the domains and cookie settings of Web sites for which site-specific cookie regulations are set. ANSI implementation.
InternetEnumPerSiteCookieDecisionW	Retrieves the domains and cookie settings of Web sites for which site-specific cookie regulations are set. Unicode implementation.
PrivacySetZonePreferenceW	Retrieves the privacy settings for a given URLZONE and PrivacyType. Unicode implementation.
PrivacyGetZonePreferenceW	Sets the privacy settings for a given URLZONE and PrivacyType. Unicode implementation.

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WinInet Functions

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