WinHttp支持HTTPS下载
#include “windows.h”
#include “winhttp.h”
#include “wchar.h”
#pragma comment(lib,”Winhttp.lib...,
WINHTTP_NO_PROXY_NAME, WINHTTP_NO_PROXY_BYPASS, 0);
if (!..., &types[0], WINHTTP_FLAG_SECURE);
if (!...WinHttpSendRequest(hRequest, WINHTTP_NO_ADDITIONAL_HEADERS, 0, WINHTTP_NO_REQUEST_DATA, 0, 0, 0))
{...;
BOOL haveContentLength = WinHttpQueryHeaders(hRequest, WINHTTP_QUERY_CONTENT_LENGTH, NULL,
&szContentLength