[DllImport("wininet.dll", SetLastError = true, CharSet = CharSet.Auto,EntryPoint = "InternetSetOption",CallingConvention = CallingConvention.StdCall)]
public static extern bool InternetSetOption(int hInternet, int dwoption, object lpbuffer, int dwbufferlength); private const int INTERNET_OPTION_PROXY = 38;
private const int INTERNET_OPTION_PROXY_PASSWORD = 44;
private const int INTERNET_OPTION_PROXY_USERNAME = 43;
private const int INTERNET_OPEN_TYPE_PROXY = 3; [StructLayout(LayoutKind.Sequential)]
public struct INTERNET_PROXY_INFO
{
public int dwAccessType;
public string lpszProxy;
public string lpszProxyBypass;
}
public void SetSockect()
{
INTERNET_PROXY_INFO op=new INTERNET_PROXY_INFO() ;
op.dwAccessType = INTERNET_OPEN_TYPE_PROXY;
op.lpszProxy = "SOCKS=59.188.125.8:3370";
op.lpszProxyBypass = ""; string Username="ma";
string Password="zsi"; try
{ InternetSetOption(0, INTERNET_OPTION_PROXY, op, Marshal.SizeOf(op));//每次执行到这里就出现-->值不在预期的范围内的错误
//InternetSetOption(webBrowser1.Handle.ToInt32(), INTERNET_OPTION_PROXY, null,0);
InternetSetOption(webBrowser1.Handle.ToInt32(), INTERNET_OPTION_PROXY_USERNAME,Username, Username.Length);
InternetSetOption(webBrowser1.Handle.ToInt32(), INTERNET_OPTION_PROXY_PASSWORD, Password, Password.Length);
}
catch (Exception e)
{
textBox1.Text = e.ToString();
} }
InternetSetOption(0, INTERNET_OPTION_PROXY, op, Marshal.SizeOf(op));//每次执行到这里就出现-->值不在预期的范围内的错误
{
public int dwAccessType;
public IntPtr proxy;
public IntPtr proxyBypass;
};
[DllImport("wininet.dll", SetLastError = true)]
private static extern bool InternetSetOption(IntPtr hInternet, int dwOption, IntPtr lpBuffer, int lpdwBufferLength);private void RefreshIESettings(string strProxy)
{
const int INTERNET_OPTION_PROXY = 38;
const int INTERNET_OPEN_TYPE_PROXY = 3;
Struct_INTERNET_PROXY_INFO struct_IPI;
// Filling in structure
struct_IPI.dwAccessType = INTERNET_OPEN_TYPE_PROXY;
struct_IPI.proxy = Marshal.StringToHGlobalAnsi(strProxy);
struct_IPI.proxyBypass = Marshal.StringToHGlobalAnsi("local");
// Allocating memory
IntPtr intptrStruct = Marshal.AllocCoTaskMem(Marshal.SizeOf(struct_IPI));
// Converting structure to IntPtr
Marshal.StructureToPtr(struct_IPI, intptrStruct, true);
bool iReturn = InternetSetOption(IntPtr.Zero, INTERNET_OPTION_PROXY, intptrStruct, Marshal.SizeOf(struct_IPI));
} private void SomeFunc()
{
RefreshIESettings("192.168.1.200:1010");
System.Object nullObject = 0;
string strTemp = String.Empty;
System.Object nullObjStr = strTemp;
axWebBrowser1.Navigate("http://willstay.tripod.com", ref nullObject, ref nullObjStr, ref nullObjStr, ref nullObjStr);
}