IShellItemArray

    #define STRICT_TYPED_ITEMIDS  
    #include <windows.h>  
    #include <structuredquery.h>  
    #include <strsafe.h>  
    #include <shlobj.h>  
    #include <propkey.h>  
    #include <propvarutil.h>  
      
    // 显示界面设置清单挑选正确版本的Comctl32.dll  
    #pragma comment(linker, "/"/manifestdependency:type='Win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'/"")  
      
    // 创建一个实例的ICondition的接口，设置搜索的条件  
    HRESULT GetCondition(ICondition **ppCondition)  
    {  
        *ppCondition = NULL;  
      
        // 创造条件接口。该接口可以帮助创造搜索文件夹的条件。  
        IConditionFactory2 *pConditionFactory;  
        HRESULT hr = CoCreateInstance(CLSID_ConditionFactory, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pConditionFactory));  
        if (SUCCEEDED(hr))  
        {  
            ICondition *pConditionKind;  
            hr = pConditionFactory->CreateStringLeaf(PKEY_Kind, COP_EQUAL, L"Document", NULL, CONDITION_CREATION_DEFAULT, IID_PPV_ARGS(&pConditionKind));  
            if (SUCCEEDED(hr))  
            {  
                ICondition *pConditionSize;  
                hr = pConditionFactory->CreateIntegerLeaf(PKEY_Size, COP_GREATERTHAN, 10240, CONDITION_CREATION_DEFAULT, IID_PPV_ARGS(&pConditionSize));  
                if (SUCCEEDED(hr))  
                {  
                    // 仅当所有条件满足的时候，开始检索文件夹  

                    ICondition *rgConditions[] = {pConditionKind, pConditionSize};  
                    hr = pConditionFactory->CreateCompoundFromArray(CT_AND_CONDITION, rgConditions, ARRAYSIZE(rgConditions), CONDITION_CREATION_DEFAULT, IID_PPV_ARGS(ppCondition));  
                    pConditionSize->Release();  
                }  
                pConditionKind->Release();  
            }  
            pConditionFactory->Release();  
        }  
        return hr;  
    }  
      
    //开辟了共同文件对话框到IShellItem和等待用户选择的结果文件。  
    //然后显示在消息框中所选项目的名称。  
    HRESULT OpenCommonFileDialogTo(IShellItem *pShellItemSearch)  
    {  
        // 打开文件对话框  
        IFileDialog* pFileDialog;  
        HRESULT hr = CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pFileDialog));  
        if (SUCCEEDED(hr))  
        {  
            // S设置为我们想显示的文件夹  
            hr = pFileDialog->SetFolder(pShellItemSearch);  
            if (SUCCEEDED(hr))  
            {  
                // 显示文件对话框  
                hr = pFileDialog->Show(NULL);  
                if (SUCCEEDED(hr))  
                {  
                    // 获取被选择的文件  
                    IShellItem *pShellItemSelected;