打开文件夹，并选中文件

#ifndef    ExploreFileH
#define    ExploreFileH

#include <Windows.h>
#include <Shlobj.h>

#ifdef    UNICODE
#define    ExploreFile    ExploreFileW
#elif    _UNICODE
#define    ExploreFile    ExploreFileW
#else
#define    ExploreFile    ExploreFileA
#endif

BOOL 
ExploreFileA (const char* pszFile)
{
    wchar_t wszFile [MAX_PATH + 1] = {0};
    if (!MultiByteToWideChar(
        CP_ACP, 
        MB_PRECOMPOSED, 
        pszFile, 
        -1,
        wszFile, 
        MAX_PATH))
    {
        return FALSE;
    }

    return ExploreFileW (wszFile);
}

BOOL 
ExploreFileW (const wchar_t* pwszFile)
{
    LPITEMIDLIST    pidl;
    LPCITEMIDLIST    cpidl, cpidl2;
    IShellFolder*    pDesktopFolder;

    ULONG    ulEaten;
    DWORD    dwAttributes;
    HRESULT    hr;

    if (pwszFile == NULL) {
        return FALSE;
    }

    ulEaten = wcslen (pwszFile);

    if (FAILED (SHGetDesktopFolder (&pDesktopFolder))) {
        return FALSE;
    }

    hr = pDesktopFolder->ParseDisplayName (
        NULL,
        0,
        (LPOLESTR)pwszFile,
        &ulEaten,
        &pidl,
        &dwAttributes);

    if (FAILED (hr)) {
        pDesktopFolder->Release ();
        return FALSE;
    }

    cpidl2 = cpidl = pidl;


    CoInitialize (NULL);
    if (FAILED (SHOpenFolderAndSelectItems (
        cpidl,
        0,
        &cpidl2,    // 一定要弄个cpidl2，否则会有内存泄露，一次4K，木有搞懂，高手帮解答。
        NULL))) 
    {
        pDesktopFolder->Release ();
        CoUninitialize ();
        return FALSE;
    }

    pDesktopFolder->Release ();
    CoUninitialize ();
    return TRUE;
}

#endif // ExploreFileH