寻找正在连接中的网络连接

#include <Windows.h>
#include <NetCon.h>
#include <locale>
#include <stdio.h>
#pragma comment(lib,"Iphlpapi.lib")
#pragma comment(lib,"Rpcrt4.lib")//GUID
//启用、禁用网卡
#pragma comment(lib,"ole32.lib")

int main(int argc, char* argv[])
{
INetConnectionManager *pManager=NULL;
INetConnection *pConnection=NULL;
IEnumNetConnection *pEnum=NULL;
ULONG           celtFetched;
INetSharingManager *pNetSharingManager=NULL;
INetConnectionProps *pProps=NULL;
INetSharingConfiguration *pConfiguration=NULL;
NETCON_PROPERTIES*   properties=NULL;
NETCON_MEDIATYPE   mediatype;

setlocale(LC_CTYPE, "");
CoInitialize(NULL);
CoCreateInstance(CLSID_ConnectionManager, NULL, CLSCTX_SERVER, IID_INetConnectionManager, (void**)&pManager);
if(pManager == NULL)
{
printf("获取接受失败，Error:%d\n",GetLastError());
return 0;
}
pManager->EnumConnections(NCME_DEFAULT, &pEnum);

while(  pEnum->Next(1, &pConnection, &celtFetched) == S_OK   )
{
pConnection->GetProperties(&properties);

if(properties->Status == NCS_CONNECTED)
{
if(properties->dwCharacter & NCCF_INCOMING_ONLY == 1)
{
wprintf(L"\"%S\"正处于连接状态，可是此连接无法共享。确保至少有2个网络连接。\n",properties->pszwName);
break;
}
CoCreateInstance(CLSID_NetSharingManager, NULL, CLSCTX_SERVER, IID_INetSharingManager, (void**)&pNetSharingManager);
if(pNetSharingManager == NULL)
{
printf("获取接受失败，Error:%d\n",GetLastError());
break;
}
wprintf(L"发现\"%s\"正处于连接状态。尝试开启共享...\n",properties->pszwName);

if(properties->MediaType >= NCM_DIRECT && properties->MediaType <=NCM_PPPOE)
{
pNetSharingManager->get_INetSharingConfigurationForINetConnection(pConnection,
&pConfiguration);
if(pConfiguration && SUCCEEDED(pConfiguration->EnableSharing(ICSSHARINGTYPE_PUBLIC)))
{
wprintf(L"成功设置\"%s\"为共享状态！\n",properties->pszwName);
break;
}
}
wprintf(L"设置\"%s\"共享状态失败！Error:%d\n",properties->pszwName,GetLastError());
}
}

if(pManager) pManager->Release();
if(pConnection) pConnection->Release();
if(pEnum) pEnum->Release();
if(pNetSharingManager) pNetSharingManager->Release();
if(pConfiguration) pConfiguration->Release();
CoUninitialize();
return 0;
}