实现代码如下：
　　#include "stdafx.h"
　　#define _WIN32_DCOM
　　#include <iostream>
　　using namespace std;
　　#include <comdef.h>
　　#include <Wbemidl.h>
　　#include <conio.h>
　　# pragma comment(lib, "wbemuuid.lib")
　　BOOL ManageWMI();
　　int _tmain(int argc, _TCHAR* argv[])
　　{
　　if(!ManageWMI()) printf("%WMI Error!");
　　_getch();
　　return 0;
　　}
　　BOOL ManageWMI()
　　{
　　HRESULT hres;
　　// Step 1: --------------------------------------------------
　　// Initialize COM. ------------------------------------------
　　hres = CoInitializeEx(0, COINIT_MULTITHREADED);
　　if (FAILED(hres))
　　{
　　cout << "Failed to initialize COM library. Error code = 0x"
　　<< hex << hres << endl;
　　return 1; // Program has failed.
　　}
　　// Step 2: --------------------------------------------------
　　// Set general COM security levels --------------------------
　　// Note: If you are using Windows 2000, you need to specify -
　　// the default authentication credentials for a user by using
　　// a SOLE_AUTHENTICATION_LIST structure in the pAuthList ----
　　// parameter of CoInitializeSecurity ------------------------
　　hres = CoInitializeSecurity(
　　NULL,
　　-1, // COM authentication
　　NULL, // Authentication services
　　NULL, // Reserved
　　RPC_C_AUTHN_LEVEL_DEFAULT, // Default authentication
　　RPC_C_IMP_LEVEL_IMPERSONATE, // Default Impersonation
　　NULL, // Authentication info
　　EOAC_NONE, // Additional capabilities
　　NULL // Reserved
　　);
　　if (FAILED(hres))
　　{
　　cout << "Failed to initialize security. Error code = 0x"
　　<< hex << hres << endl;
　　CoUninitialize();
　　return 1; // Program has failed.
　　}
　　// Step 3: ---------------------------------------------------
　　// Obtain the initial locator to WMI -------------------------
　　IWbemLocator *pLoc = NULL;
　　hres = CoCreateInstance(
　　CLSID_WbemLocator,
　　0,
　　CLSCTX_INPROC_SERVER,
　　IID_IWbemLocator, (LPVOID *) &pLoc);
　　if (FAILED(hres))
　　{
　　cout << "Failed to create IWbemLocator object."
　　<< " Err code = 0x"
　　<< hex << hres << endl;
　　CoUninitialize();
　　return 1; // Program has failed.
　　}
　　// Step 4: -----------------------------------------------------
　　// Connect to WMI through the IWbemLocator::ConnectServer method
　　IWbemServices *pSvc = NULL;
　　// Connect to the root\cimv2 namespace with
　　// the current user and obtain pointer pSvc
　　// to make IWbemServices calls.
　　hres = pLoc->ConnectServer(
　　_bstr_t(L"ROOT\\CIMV2"), // Object path of WMI namespace
　　NULL, // User name. NULL = current user
　　NULL, // User password. NULL = current
　　0, // Locale. NULL indicates current
　　NULL, // Security flags.
　　0, // Authority (e.g. Kerberos)
　　0, // Context object
　　&pSvc // pointer to IWbemServices proxy
　　);
　　if (FAILED(hres))
　　{
　　cout << "Could not connect. Error code = 0x"
　　<< hex << hres << endl;
　　pLoc->Release();
　　CoUninitialize();
　　return 1; // Program has failed.
　　}
　　cout << "Connected to ROOT\\CIMV2 WMI namespace" << endl;
　　// Step 5: --------------------------------------------------
　　// Set security levels on the proxy -------------------------
　　hres = CoSetProxyBlanket(
　　pSvc, // Indicates the proxy to set
　　RPC_C_AUTHN_WINNT, // RPC_C_AUTHN_xxx
　　RPC_C_AUTHZ_NONE, // RPC_C_AUTHZ_xxx
　　NULL, // Server principal name
　　RPC_C_AUTHN_LEVEL_CALL, // RPC_C_AUTHN_LEVEL_xxx
　　RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx
　　NULL, // client identity
　　EOAC_NONE // proxy capabilities
　　);
　　if (FAILED(hres))
　　{
　　cout << "Could not set proxy blanket. Error code = 0x"
　　<< hex << hres << endl;
　　pSvc->Release();
　　pLoc->Release();
　　CoUninitialize();
　　return 1; // Program has failed.
　　}
　　// Step 6: --------------------------------------------------
　　// Use the IWbemServices pointer to make requests of WMI ----
　　// For example, get the name of the operating system
　　IEnumWbemClassObject* pEnumerator = NULL;
　　hres = pSvc->ExecQuery(
　　bstr_t("WQL"),
　　bstr_t("SELECT * FROM Win32_NetworkAdapterConfiguration WHERE IPEnabled = ’TRUE’"),
　　WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,
　　NULL,
　　&pEnumerator);
　　if (FAILED(hres))
　　{
　　cout << "Query for Network Adapter Configuration failed."
　　<< " Error code = 0x"
　　<< hex << hres << endl;
　　pSvc->Release();
　　pLoc->Release();
　　CoUninitialize();
　　return 1; // Program has failed.
　　}
　　// Step 7: -------------------------------------------------
　　// Get the data from the query in step 6 -------------------
　　IWbemClassObject *pclsObj;
　　ULONG uReturn = 0;
　　while (pEnumerator)
　　{
　　HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1,
　　&pclsObj, &uReturn);
　　if(0 == uReturn)
　　{
　　break;
　　}
　　VARIANT vtProp;
　　VariantInit(&vtProp);
　　//hr = pclsObj->Get(L"IPSubnet", 0, &vtProp, 0, 0);
　　// Get the value of the Enable property
　　hr = pclsObj->Get(L"IPEnabled", 0, &vtProp, 0, 0);
　　// Get the value of the MacAddress property
　　if(vtProp.boolVal)
　　{
　　hr = pclsObj->Get(L"MacAddress", 0, &vtProp, 0, 0);
　　wcout << " MacAddress : " << vtProp.bstrVal << endl;
　　}
　　hr = pclsObj->Get(L"IPEnabled", 0, &vtProp, 0, 0);
　　if(vtProp.boolVal)
　　{
　　LONG lstart, lend;
　　LONG idx = -1;
　　BSTR* pbstr;
　　SAFEARRAY *sa;
　　hr = pclsObj->Get(L"Description", 0, &vtProp, 0, 0);
　　if(!FAILED(hr))
　　{
　　wcout << "Description: " << vtProp.bstrVal << endl;
　　}
　　hr = pclsObj->Get(L"DNSHostName", 0, &vtProp, 0, 0);
　　if(!FAILED(hr))
　　{
　　cout << "DNS:" << vtProp.bstrVal << endl;
　　}
　　hr = pclsObj->Get(L"IPAddress", 0, &vtProp, 0, 0);
　　if(!FAILED(hr))
　　{
　　SAFEARRAY *psa = vtProp.parray;
　　cout << "IP Address::" << psa << endl;
　　}
　　}
　　VariantClear(&vtProp);
　　}
　　// Cleanup
　　// ========
　　pSvc->Release();
　　pLoc->Release();
　　pEnumerator->Release();
　　pclsObj->Release();
　　CoUninitialize();
　　return 0; // Program successfully completed.
　　}