有人愿意帮忙测试几行代码吗？
下面的这片代码是设置代理ip并且刷新的。可是我试了几次没有效果。在打开id的选项那边查看，发现并没有改变。
打开注册表 HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings，查看ProxyServer的值发现也没有变化，不知道是怎么回事。我的是xp系统。
Option Explicit
Private Declare Function InternetSetOption Lib "wininet.dll" Alias "InternetSetOptionA" (ByVal hInternet As Long, ByVal dwOption As Long, ByRef lpBuffer As Any, ByVal dwBufferLength As Long) As Long
Private Type INTERNET_PROXY_INFO
dwAccessType As Long
lpszProxy As String
lpszProxyBypass As String
End Type
Private Const INTERNET_OPTION_PROXY = 38
Private Const INTERNET_OPTION_SETTINGS_CHANGED = 39
Private Const INTERNET_OPEN_TYPE_DIRECT = 1
Private Const INTERNET_OPEN_TYPE_PROXY = 3
Private Sub SetProxy(aStrIP As String, aStrPort As String, aBolUseProxy As Boolean)
Dim strProxy As String
Dim inf As INTERNET_PROXY_INFO
aStrIP = Trim(aStrIP)
aStrPort = Trim(aStrPort)
If (aStrIP + aStrPort = "") Or Not aBolUseProxy Then
strProxy = ""
Else
strProxy = "http=" + aStrIP + ":" + aStrPort
End If
If Trim(strProxy) <> "" Then
inf.dwAccessType = INTERNET_OPEN_TYPE_PROXY
inf.lpszProxy = strProxy
inf.lpszProxyBypass = ""
Call InternetSetOption(0, INTERNET_OPTION_PROXY, inf, Len(inf))
Call InternetSetOption(0, INTERNET_OPTION_SETTINGS_CHANGED, "", 0)
Else
inf.dwAccessType = INTERNET_OPEN_TYPE_DIRECT
inf.lpszProxy = ""
inf.lpszProxyBypass = ""
Call InternetSetOption(0, INTERNET_OPTION_PROXY, inf, Len(inf))
Call InternetSetOption(0, INTERNET_OPTION_SETTINGS_CHANGED, "", 0)
End If
End Sub
'===使用代理上网
Private Sub Command1_Click()
SetProxy "123.10.10.233", "80", True
End Sub
'===不使用代理上网
Private Sub Command2_Click()
SetProxy "123.10.10.233", "80", False
End Sub
