问题描述
我找到了一种在stackoverflow上的webbrowser中设置代理的方法。
How to set a proxy for Webbrowser Control without effecting the SYSTEM/IE proxy
public struct Struct_INTERNET_PROXY_INFO
{
public int dwAccessType;
public IntPtr proxy;
public IntPtr proxyBypass;
};
[DllImport("wininet.dll",SetLastError = true)]
public static extern bool InternetSetOption(IntPtr hInternet,int dwOption,IntPtr lpBuffer,int lpdwBufferLength);
//to activate use like this strProxy="85.45.66.25:3633"
//to deactivate use like this strProxy=":"
public static void RefreshIESettings(string strProxy)
{
try
{
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,Marshal.SizeOf(struct_IPI));
}
catch (Exception ex)
{
//TB.ErrorLog(ex);
}
}
private void SomeFunc()
{
RefreshIESettings("1.2.3.4:8080");
//or RefreshIESettings("http://1.2.3.4:8080"); //both worked
//or RefreshIESettings("http=1.2.3.4:8080"); //both worked
System.Object nullObject = 0;
string strTemp = "";
System.Object nullObjStr = strTemp;
WebBrowser1.Navigate("http://willstay.tripod.com");
}
但是,此代码是所有Web浏览器的代理设置。我的表单中有多个Web浏览器,并且我只想代理其中的一个Web浏览器。
Using proxy with WebBrowser and WebRequest,how to include username and password? 我发现了这个,但是对我没有帮助。
如果我创建一个可以连接到代理然后继承Web浏览器的自定义用户控件,可以解决此问题吗?
任何有用的信息将不胜感激
解决方法
我可以在更改为铬窗口后设置每个代理。