public WinHttpWebProxyFinder()
{
session = NativeMethods.WinHttp.WinHttpOpen(null, NativeMethods.WinHttp.AccessType.NoProxy, null, null, 0);
if (session == null || session.IsInvalid)
{
int lastWin32Error = GetLastWin32Error();
}
else
{
int downloadTimeout = 60 * 1000;
if (NativeMethods.WinHttp.WinHttpSetTimeouts(session, downloadTimeout, downloadTimeout, downloadTimeout, downloadTimeout))
{
return;
}
int lastWin32Error = GetLastWin32Error();
}
}
internal static extern bool WinHttpGetProxyForUrl(WinHttpHandle session, string url, [In] ref WINHTTP_AUTOPROXY_OPTIONS autoProxyOptions,
out WINHTTP_PROXY_INFO proxyInfo);
internal static extern bool WinHttpSetTimeouts(WinHttpHandle session, int resolveTimeout, int connectTimeout, int sendTimeout, int receiveTimeout);