Skip to content

WinHttpQueryHeaders.md

Latest commit

 

History

History
67 lines (48 loc) · 1.57 KB

WinHttpQueryHeaders.md

File metadata and controls

67 lines (48 loc) · 1.57 KB

Home

Function name : WinHttpQueryHeaders

Group: HTTP Functions (WinHTTP) - Library: winhttp

The WinHttpQueryHeaders function retrieves header information associated with an HTTP request.

Code examples:

Custom HttpRequest class (WinHTTP)

Declaration:

BOOL WinHttpQueryHeaders(
  HINTERNET hRequest,
  DWORD dwInfoLevel,
  LPCWSTR pwszName,
  LPVOID lpBuffer,
  LPDWORD lpdwBufferLength,
  LPDWORD lpdwIndex
);

FoxPro declaration:

DECLARE INTEGER WinHttpQueryHeaders IN winhttp;
	INTEGER   hRequest,;
	INTEGER   dwInfoLevel,;
	INTEGER   pwszName,;
	STRING  @ lpBuffer,;
	INTEGER @ lpdwBufLen,;
	INTEGER   lpdwIndex

Parameters:

hRequest [in] HINTERNET request handle returned by WinHttpOpenRequest.

dwInfoLevel [in] Value of type DWORD that specifies a combination of attribute and modifier flags.

pwszName [in, optional] Pointer to a string that contains the header name.

lpBuffer [out] Pointer to the buffer that receives the information.

lpdwBufferLength [in, out] Pointer to a value of type DWORD that specifies the length of the data buffer, in bytes.

lpdwIndex [in, out] Pointer to a zero-based header index used to enumerate multiple headers with the same name.

Return value:

Returns TRUE if successful, or FALSE otherwise. To get extended error information, call GetLastError.