BOOL WinHttpSendRequest(
  HINTERNET hRequest,
  LPCWSTR pwszHeaders,
  DWORD dwHeadersLength,
  LPVOID lpOptional,
  DWORD dwOptionalLength,
  DWORD dwTotalLength,
  DWORD_PTR dwContext
);
 

 
DECLARE INTEGER WinHttpSendRequest IN winhttp;
    INTEGER   hRequest,;
    STRING  @ pwszHeaders,;
    INTEGER   dwHdrsLen,;
    STRING  @ lpOptional,;
    INTEGER   dwOptionalLen,;
    INTEGER   dwTotalLen,;
    INTEGER   dwContext