Antarmuka IShellFolderSearchable

Mengekspos metode yang memungkinkan ekstensi Shell menyediakan namespace yang dapat dicari.

Anggota

Antarmuka IShellFolderSearchable mewarisi dari antarmuka IUnknown . IShellFolderSearchable juga memiliki jenis anggota ini:

• Metode

Metode

Antarmuka IShellFolderSearchable memiliki metode ini.

Keterangan

Antarmuka ini tidak didefinisikan dalam file header publik apa pun. Jika Anda memilih untuk mengimplementasikan antarmuka ini, Anda dapat menggunakan kode C/C++ berikut untuk mendeklarasikan metodenya.

#undef  INTERFACE
#define INTERFACE IShellFolderSearchable
DECLARE_INTERFACE_IID_(IShellFolderSearchable, IUnknown, "4E1AE66C-204B-11d2-8DB3-0000F87A556C")
{
    // *** IUnknown methods ***
    STDMETHOD(QueryInterface) (THIS_ REFIID riid, __out void **ppv) PURE;
    STDMETHOD_(ULONG,AddRef)  (THIS) PURE;
    STDMETHOD_(ULONG,Release) (THIS) PURE;

    // *** IShellFolderSearchable methods ***

    // FindString -
    //  The returned Shell folder's enumerator will have any
    //   search hits for the given search string.
    //  punkOnAsyncSearch will be QI'd for IShellFolderSearchableCallback
    STDMETHOD(FindString)(THIS_ LPCWSTR pwszTarget, __inout_opt DWORD *pdwFlags,
                          __in_opt IUnknown *punkOnAsyncSearch, __out LPITEMIDLIST *ppidlOut)   PURE;
    // CancelAsyncSearch -
    //   Begins the process of canceling any pending
    //    asynchronous search from this pidl.
    //    When the search is actually canceled, RunEnd will be called
    //   Returns: S_OK => cancelling, S_FALSE => not running
    STDMETHOD(CancelAsyncSearch) (THIS_ LPCITEMIDLIST pidlSearch, __inout_opt DWORD *pdwFlags) PURE;

    // InvalidateSearch -
    //   Makes this pidl no longer a valid portion of the Shell folder
    //    Also does some cleanup of any databases used in the search and
    //    will cause the eventual release of the callback
    //   May cause async search to be canceled
    STDMETHOD(InvalidateSearch)  (THIS_ LPCITEMIDLIST pidlSearch, __inout_opt DWORD *pdwFlags) PURE;
};

Persyaratan