关于InternetOpen函数
以下的定量都是InternetOpen函数(API函数)中DwFlags的设置值请问分别是什么作用啊?
Public Const INTERNET_FLAG_FROM_CACHE = &H1000000
Public Const INTERNET_FLAG_OFFLINE = &H1000000
Public Const INTERNET_FLAG_MAKE_PERSISTENT = &H2000000
Public Const INTERNET_FLAG_NO_CACHE_WRITE = &H4000000
Public Const INTERNET_FLAG_ASYNC = &H10000000
Public Const INTERNET_FLAG_EXISTING_CONNECT = &H20000000
Public Const INTERNET_FLAG_PASSIVE = &H8000000
Public Const INTERNET_FLAG_CACHE_IF_NET_FAIL = &H10000
Public Const INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTP = &H8000
Public Const INTERNET_FLAG_HYPERLINK = &H400
Public Const INTERNET_FLAG_KEEP_CONNECTION = &H400000
Public Const INTERNET_FLAG_RELOAD = &H80000000
Public Const INTERNET_FLAG_MULTIPART = &H200000
