问静默卸载所有早期版本的MS Office软件

EN

#include <iostream>
#include <windows.h>
#include <tchar.h>
#include <msi.h>
#include <string>

using namespace std;

string MsiQueryProperty(LPCTSTR szProductCode,
                     LPCTSTR szUserSid,
                     MSIINSTALLCONTEXT dwContext,
                     LPCTSTR szProperty)
{
    string value;
    DWORD cchValue = 0;
    UINT ret2 = ::MsiGetProductInfoEx(
        szProductCode,
        szUserSid,
        dwContext,
        szProperty,
        NULL,
        &cchValue);
    if(ret2 == ERROR_SUCCESS)
    {
        cchValue++;
        value.resize(cchValue);
        ret2 = ::MsiGetProductInfoEx(
            szProductCode,
            szUserSid,
            dwContext,
            szProperty,
            (LPTSTR)&value[0],
            &cchValue);
    }
    return value;
}

void MsiEnum()
{
    UINT ret = 0;
    DWORD dwIndex = 0;
    TCHAR szInstalledProductCode[39] = {0};
    TCHAR szSid[128] = {0};
    DWORD cchSid;
    MSIINSTALLCONTEXT dwInstalledContext;
    do
    {
        memset(szInstalledProductCode, 0, sizeof(szInstalledProductCode));
        cchSid = sizeof(szSid)/sizeof(szSid[0]);
        ret = ::MsiEnumProductsEx(
            NULL,           // all the products in the context
            _T("s-1-1-0"),  // i.e.Everyone, all users in the system
            MSIINSTALLCONTEXT_USERMANAGED | MSIINSTALLCONTEXT_USERUNMANAGED | MSIINSTALLCONTEXT_MACHINE,
            dwIndex,
            szInstalledProductCode,
            &dwInstalledContext,
            szSid,
            &cchSid);
        if(ret == ERROR_SUCCESS)
        {
            string name = MsiQueryProperty(
                szInstalledProductCode,
                cchSid == 0 ? NULL : szSid,
                dwInstalledContext,
                INSTALLPROPERTY_INSTALLEDPRODUCTNAME);
            string publisher = MsiQueryProperty(
                szInstalledProductCode,
                cchSid == 0 ? NULL : szSid,
                dwInstalledContext,
                INSTALLPROPERTY_PUBLISHER);
            string version = MsiQueryProperty(
                szInstalledProductCode,
                cchSid == 0 ? NULL : szSid,
                dwInstalledContext,
                INSTALLPROPERTY_VERSIONSTRING);
            string location = MsiQueryProperty(
                szInstalledProductCode,
                cchSid == 0 ? NULL : szSid,
                dwInstalledContext,
                INSTALLPROPERTY_INSTALLLOCATION);

            cout << name << endl;
            cout << "  - " << publisher << endl;
            cout << "  - " << version << endl;
            cout << "  - " << location << endl;
            cout << endl;
            dwIndex++;
        }
    }
    while(ret == ERROR_SUCCESS);
}

int main()
{
    MsiEnum();
    return 0;
}