ショートカットファイルのターゲットの解決 (Emulate_SHGetShortcutTarget)

#include <comdef.h>

#include <shlobj.h>

#ifdef _UNICODE

    #define IShellLink    IShellLinkW

    #define IShellLinkPtr    IShellLinkWPtr

#else

    #define IShellLink    IShellLinkA

    #define IShellLinkPtr    IShellLinkAPtr

#endif

BOOL _SHGetShortcutTarget(LPTSTR szShortcut, LPTSTR szTarget, int cbMax)

{

    USES_CONVERSION;

    if (szShortcut == NULL || szTarget == NULL)

    {

        return FALSE;

    }

    HRESULT hr = S_OK;

    try

    {

        IShellLinkPtr spShellLink;

        hr = spShellLink.CreateInstance(CLSID_ShellLink);

        if (FAILED(hr))

        {

            return FALSE;

        }

        IPersistFilePtr spPersistFile = spShellLink;

        if (spPersistFile == NULL)

        {

            return FALSE;

        }

        hr = spPersistFile->Load(T2OLE(szShortcut), 0x00000020); // Read & Deny Write

        if (FAILED(hr))

        {

            return FALSE;

        }

        WIN32_FIND_DATA wfd;

        hr = spShellLink->GetPath(szTarget, cbMax, &wfd, 0);

        if (FAILED(hr))

        {

            return FALSE;

        }

    }

    catch (...)

    {

        return FALSE;

    }

    return TRUE;

}