InternetLockRequestFile


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InternetLockRequestFile
BOOL InternetLockRequestFile (
    IN HINTERNET hInternet,
    OUT HANDLE *lphLockReqHandle
);
Allows the user to place a lock on the file that is being used.
Returns TRUE if successful, or FALSE otherwise. To get a specific error message, use GetLastError.

hInternet
HINTERNET handle returned by FtpOpenFile, GopherOpenFile, HttpOpenRequest, or InternetOpenUrl.
lphLockReqHandle
Address of a handle to store the lock request handle.

If the HINTERNET handle passed to hInternet was created using INTERNET_FLAG_NO_CACHE_WRITE or INTERNET_FLAG_DONT_CACHE, the function creates a temporary file with the extension TMP, unless it is an HTTPS resource. If the handle was created using INTERNET_FLAG_NO_CACHE_WRITE or INTERNET_FLAG_DONT_CACHE and it is accessing an HTTPS resource, InternetLockRequestFile fails.
See also InternetUnlockRequestFile

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