C# webBrowser 通过代理访问网页

缺乏、安全感 2021-12-23 20:09 268阅读 0赞

![2010090917060566.gif][]

//联系qq:438827253

//xjj

改变webBrowser1的代理

![ContractedBlock.gif][] ![ExpandedBlockStart.gif][] 代码

\#region  改变代理   
\[DllImport( " wininet.dll " , SetLastError  =  true )\]  
 private  static  extern  bool  InternetSetOption(IntPtr hInternet,  int  dwOption, IntPtr lpBuffer,  int  lpdwBufferLength);  
  
 public  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));  
\}  
 \#endregion

读取代理列表

c盘放了个代理的文件列表

![2010090917082232.jpg][]  
更改代理,访问网站

![2010090917090379.jpg][]

免费代理的列表

211.144.219.66:80  
222.74.34.190:808  
121.8.171.40:3128  
116.228.108.58:808  
202.43.180.146:3128  
58.215.78.157:808  
61.134.27.214:8080  
221.12.147.80:808  
60.216.101.31:8080  
123.139.158.189:3128

大家谁完善了发个给我用用哈

[demo下载][demo]

转载于:https://www.cnblogs.com/jimtomjim/archive/2010/09/09/1822524.html

[2010090917060566.gif]: /images/20211223/e45b622eefc54219bc2918cf6706f499.png
[ContractedBlock.gif]: https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif
[ExpandedBlockStart.gif]: /images/20211223/f12d71c4e0804ffca24582623bc6bfc3.png
[2010090917082232.jpg]: /images/20211223/2db0dfd1364042fe9c94309592f1ca45.png
[2010090917090379.jpg]: /images/20211223/ba87d3f9d7b14fb680013a9ea43e497e.png
[demo]: http://files.cnblogs.com/service/winproxy.rar