#define _WIN32_DCOM

#include <iostream>

using namespace std;

#include <comdef.h>

#include <Wbemidl.h>

#pragma comment(lib, "wbemuuid.lib")

int main(int argc, char **argv)

{

    HRESULT hres;

    // Step 1: --------------------------------------------------

    // Initialize COM. ------------------------------------------

    hres =  CoInitializeEx(, COINIT_MULTITHREADED);

    if (FAILED(hres))

    {

        cout << "Failed to initialize COM library. Error code = 0x"

            << hex << hres << endl;

        return ;                  // Program has failed.

    }

    // Step 2: --------------------------------------------------

    // Set general COM security levels --------------------------

    hres =  CoInitializeSecurity(

        NULL,

        -,                          // 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 ;                    // Program has failed.

    }

    // Step 3: ---------------------------------------------------

    // Obtain the initial locator to WMI -------------------------

    IWbemLocator *pLoc = NULL;

    hres = CoCreateInstance(

        CLSID_WbemLocator,

        ,

        CLSCTX_INPROC_SERVER,

        IID_IWbemLocator, (LPVOID *) &pLoc);

    if (FAILED(hres))

    {

        cout << "Failed to create IWbemLocator object."

            << " Err code = 0x"

            << hex << hres << endl;

        CoUninitialize();

        return ;                 // 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

         ,                       // Locale. NULL indicates current

         NULL,                    // Security flags.

         ,                       // Authority (for example, Kerberos)

         ,                       // Context object

         &pSvc                    // pointer to IWbemServices proxy

         );

    if (FAILED(hres))

    {

        cout << "Could not connect. Error code = 0x"

             << hex << hres << endl;

        pLoc->Release();

        CoUninitialize();

        return ;                // 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 ;               // 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_OperatingSystem"),

        WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,

        NULL,

        &pEnumerator);

    if (FAILED(hres))

    {

        cout << "Query for operating system name failed."

            << " Error code = 0x"

            << hex << hres << endl;

        pSvc->Release();

        pLoc->Release();

        CoUninitialize();

        return ;               // Program has failed.

    }

    // Step 7: -------------------------------------------------

    // Get the data from the query in step 6 -------------------

    IWbemClassObject *pclsObj = NULL;

    ULONG uReturn = ;

    while (pEnumerator)

    {

        HRESULT hr = pEnumerator->Next(WBEM_INFINITE, ,

            &pclsObj, &uReturn);

        if( == uReturn)

        {

            break;

        }

        VARIANT vtProp;

        // Get the value of the Name property

        hr = pclsObj->Get(L"Name", , &vtProp, , );

        wcout << " OS Name : " << vtProp.bstrVal << endl;

        VariantClear(&vtProp);

        pclsObj->Release();

    }

    // Cleanup

    // ========

    pSvc->Release();

    pLoc->Release();

    pEnumerator->Release();

    CoUninitialize();

    return ;   // Program successfully completed.

}

Win32_Processor                        //CPU 处理器

Win32_PhysicalMemory                   // 物理内存

Win32_Keyboard                         // 键盘

Win32_PointingDevice                   // 点输入设备，如鼠标

Win32_DiskDrive                        // 硬盘驱动器

Win32_CDROMDrive                       // 光盘驱动器

Win32_BaseBoard                        // 主板

Win32_BIOS                             //BIOS 芯片

Win32_ParallelPort                     // 并口

Win32_SerialPort                       // 串口

Win32_SoundDevice                      // 多媒体设置

Win32_USBController                    //USB 控制器

Win32_NetworkAdapter                   // 网络适配器

Win32_NetworkAdapterConfiguration      // 网络适配器设置

Win32_Printer                          // 打印机

Win32_PrinterConfiguration             // 打印机设置

Win32_PrintJob                         // 打印机任务

Win32_TCPIPPrinterPort                 // 打印机端口

Win32_POTSModem                        //MODEM

Win32_POTSModemToSerialPort            //MODEM 端口

Win32_DesktopMonitor                   // 显示器

Win32_VideoController                  // 显卡细节。

Win32_VideoSettings                    // 显卡支持的显示模式。

Win32_TimeZone                         // 时区

Win32_SystemDriver                     // 驱动程序

Win32_DiskPartition                    // 磁盘分区

Win32_LogicalDisk                      // 逻辑磁盘

Win32_LogicalMemoryConfiguration       // 逻辑内存配置

Win32_PageFile                         // 系统页文件信息

Win32_PageFileSetting                  // 页文件设置

Win32_BootConfiguration                // 系统启动配置

Win32_OperatingSystem                  // 操作系统信息

Win32_StartupCommand                   // 系统自动启动程序

Win32_Service                          // 系统安装的服务

Win32_Group                            // 系统管理组

Win32_GroupUser                        // 系统组帐号

Win32_UserAccount                      // 用户帐号

Win32_Process                          // 系统进程

Win32_Thread                           // 系统线程

Win32_Share                            // 共享

Win32_NetworkClient                    // 已安装的网络客户端

Win32_NetworkProtocol                  // 已安装的网络协议