寻找正在连接中的网络连接

寻找正在连接中的网络连接，并开启网络连接的网络连接共享功能。

注意：要设置为管理员权限启动工程。否则EnableSharing会失败。

[cpp] view plain copy

1. #include <Windows.h>  
2. #include <NetCon.h>  
3. #include <locale>  
4. #include <stdio.h>  
5. #pragma comment(lib,"Iphlpapi.lib")  
6. #pragma comment(lib,"Rpcrt4.lib")//GUID  
7. //启用、禁用网卡  
8. #pragma comment(lib,"ole32.lib")  
9.   
10. int main(int argc, char* argv[])  
11. {  
12.     INetConnectionManager *pManager=NULL;  
13.     INetConnection *pConnection=NULL;  
14.     IEnumNetConnection *pEnum=NULL;  
15.     ULONG           celtFetched;  
16.     INetSharingManager *pNetSharingManager=NULL;  
17.     INetConnectionProps *pProps=NULL;  
18.     INetSharingConfiguration *pConfiguration=NULL;  
19.     NETCON_PROPERTIES*   properties=NULL;  
20.     NETCON_MEDIATYPE   mediatype;  
21.   
22.     setlocale(LC_CTYPE, "");  
23.     CoInitialize(NULL);  
24.     CoCreateInstance(CLSID_ConnectionManager, NULL, CLSCTX_SERVER, IID_INetConnectionManager, (void**)&pManager);  
25.     if(pManager == NULL)  
26.     {  
27.         printf("获取接受失败，Error:%d\n",GetLastError());  
28.         return 0;  
29.     }  
30.     pManager->EnumConnections(NCME_DEFAULT, &pEnum);  
31.   
32.     while(  pEnum->Next(1, &pConnection, &celtFetched) == S_OK   )  
33.     {  
34.         pConnection->GetProperties(&properties);  
35.   
36.         if(properties->Status == NCS_CONNECTED)  
37.         {  
38.             if(properties->dwCharacter & NCCF_INCOMING_ONLY == 1)  
39.             {  
40.                 wprintf(L"\"%S\"正处于连接状态，但是此连接无法共享！确保至少有2个网络连接！\n",properties->pszwName);  
41.                 break;  
42.             }  
43.             CoCreateInstance(CLSID_NetSharingManager, NULL, CLSCTX_SERVER, IID_INetSharingManager, (void**)&pNetSharingManager);  
44.             if(pNetSharingManager == NULL)  
45.             {  
46.                 printf("获取接受失败，Error:%d\n",GetLastError());  
47.                 break;  
48.             }  
49.             wprintf(L"发现\"%s\"正处于连接状态。尝试开启共享...\n",properties->pszwName);  
50.   
51.             if(properties->MediaType >= NCM_DIRECT && properties->MediaType <=NCM_PPPOE)  
52.             {  
53.                 pNetSharingManager->get_INetSharingConfigurationForINetConnection(pConnection,  
54.                     &pConfiguration);  
55.                 if(pConfiguration && SUCCEEDED(pConfiguration->EnableSharing(ICSSHARINGTYPE_PUBLIC)))  
56.                 {  
57.                     wprintf(L"成功设置\"%s\"为共享状态！\n",properties->pszwName);  
58.                     break;  
59.                 }  
60.             }  
61.             wprintf(L"设置\"%s\"共享状态失败！Error:%d\n",properties->pszwName,GetLastError());  
62.         }  
63.     }  
64.   
65.   
66.     if(pManager) pManager->Release();  
67.     if(pConnection) pConnection->Release();  
68.     if(pEnum) pEnum->Release();  
69.     if(pNetSharingManager) pNetSharingManager->Release();  
70.     if(pConfiguration) pConfiguration->Release();  
71.     CoUninitialize();  
72.     return 0;  
73. }