如何在Windows上获取磁盘标识符？

查看此示例App

#include "stdafx.h"
#define _WIN32_DCOM
#include <iostream>
using namespace std;
#include <comdef.h>
#include <Wbemidl.h>
# pragma comment(lib,"wbemuuid.lib")


#pragma argsused
int main(int argc,char* argv[])
{
    BSTR strNetworkResource;
    //To use a WMI remote connection set localconn to false and configure the values of the pszName,pszPwd and the name of the remote machine in strNetworkResource
    strNetworkResource = L"\.rootCIMV2";

    COAUTHIDENTITY *userAcct =  NULL ;
    COAUTHIDENTITY authIdent;

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

    HRESULT hres;
    hres =  CoInitializeEx(0,COINIT_MULTITHREADED);
    if (FAILED(hres))
    {
        cout << "Failed to initialize COM library. Error code = 0x" << hex << hres << endl;
        cout << _com_error(hres).ErrorMessage() << endl;
        cout << "press enter to exit" << endl;
        cin.get();      
        return 1;                  // Program has failed.
    }

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


        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;
        cout << _com_error(hres).ErrorMessage() << endl;
        CoUninitialize();
        cout << "press enter to exit" << endl;
        cin.get();      
        return 1;                    // Program has failed.
    }

    // 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;
        cout << _com_error(hres).ErrorMessage() << endl;
        CoUninitialize();       
        cout << "press enter to exit" << endl;
        cin.get();      
        return 1;                 // Program has failed.
    }

    // Connect to WMI through the IWbemLocator::ConnectServer method

    IWbemServices *pSvc = NULL;

        hres = pLoc->ConnectServer(
             _bstr_t(strNetworkResource),// 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;    
        cout << _com_error(hres).ErrorMessage() << endl;
        pLoc->Release();
        CoUninitialize();
        cout << "press enter to exit" << endl;
        cin.get();          
        return 1;                // Program has failed.
    }

    cout << "Connected to rootCIMV2 WMI namespace" << endl;

    // 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;
        cout << _com_error(hres).ErrorMessage() << endl;
        pSvc->Release();
        pLoc->Release();
        CoUninitialize();
        cout << "press enter to exit" << endl;
        cin.get();      
        return 1;               // Program has failed.
    }

    // Use the IWbemServices pointer to make requests of WMI ----

    IEnumWbemClassObject* pEnumerator = NULL;
    hres = pSvc->ExecQuery( L"WQL",L"SELECT * FROM Win32_DiskDrive",WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,NULL,&pEnumerator);

    if (FAILED(hres))
    {
        cout << "ExecQuery failed" << " Error code = 0x"    << hex << hres << endl;
        cout << _com_error(hres).ErrorMessage() << endl;
        pSvc->Release();
        pLoc->Release();
        CoUninitialize();
        cout << "press enter to exit" << endl;
        cin.get();      
        return 1;               // Program has failed.
    }

    // Secure the enumerator proxy


        hres = CoSetProxyBlanket(
            pEnumerator,// Indicates the proxy to set
            RPC_C_AUTHN_DEFAULT,// RPC_C_AUTHN_xxx
            RPC_C_AUTHZ_DEFAULT,// RPC_C_AUTHZ_xxx
            COLE_DEFAULT_PRINCIPAL,// Server principal name
            RPC_C_AUTHN_LEVEL_PKT_PRIVACY,// RPC_C_AUTHN_LEVEL_xxx
            RPC_C_IMP_LEVEL_IMPERSONATE,// RPC_C_IMP_LEVEL_xxx
            userAcct,// client identity
            EOAC_NONE                       // proxy capabilities
            );



    // Get the data from the WQL sentence
    IWbemClassObject *pclsObj = NULL;
    ULONG uReturn = 0;

    while (pEnumerator)
    {
        HRESULT hr = pEnumerator->Next(WBEM_INFINITE,1,&pclsObj,&uReturn);

        if(0 == uReturn || FAILED(hr))
          break;

        VARIANT vtProp;

                hr = pclsObj->Get(L"Name",&vtProp,0);// String
                if (!FAILED(hr))
                {
                  if ((vtProp.vt==VT_NULL) || (vtProp.vt==VT_EMPTY))
                    wcout << "Name : " << ((vtProp.vt==VT_NULL) ? "NULL" : "EMPTY") << endl;
                  else
                  if ((vtProp.vt & VT_ARRAY))
                    wcout << "Name : " << "Array types not supported (yet)" << endl;
                  else
                    wcout << "Name : " << vtProp.bstrVal << endl;
                }
                VariantClear(&vtProp);

                hr = pclsObj->Get(L"Signature",0);// Uint32
                if (!FAILED(hr))
                {
                  if ((vtProp.vt==VT_NULL) || (vtProp.vt==VT_EMPTY))
                    wcout << "Signature : " << ((vtProp.vt==VT_NULL) ? "NULL" : "EMPTY") << endl;                   
                  else
                  if ((vtProp.vt & VT_ARRAY))
                    wcout << "Signature : " << "Array types not supported (yet)" << endl;
                  else
                    wcout << "Signature : " << hex << vtProp.uintVal << endl;
                }
                VariantClear(&vtProp);


        pclsObj->Release();
        pclsObj=NULL;
    }

    // Cleanup

    pSvc->Release();
    pLoc->Release();
    pEnumerator->Release();
    if (pclsObj!=NULL)
     pclsObj->Release();

    CoUninitialize();
    cout << "press enter to exit" << endl;
    cin.get();
    return 0;   // Program successfully completed.
}

此代码返回

和DiskPart