ishellfolder_helpers.h File Reference

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Macros
#define	SFGDNO_RETRYWITHFORPARSING   0x00000001
#define	SFGDNO_RETRYALWAYS   0x80000000

Functions
HRESULT WINAPI	IShellFolder_GetDisplayNameOf (_In_ IShellFolder *psf, _In_ LPCITEMIDLIST pidl, _In_ SHGDNF uFlags, _Out_ LPSTRRET lpName, _In_ DWORD dwRetryFlags)
HRESULT WINAPI	IShellFolder_ParseDisplayName (_In_ IShellFolder *psf, _In_ HWND hwndOwner, _In_ LPBC pbcReserved, _In_ LPOLESTR lpszDisplayName, _Out_ ULONG *pchEaten, _Out_ PIDLIST_RELATIVE *ppidl, _Out_ ULONG *pdwAttributes)
EXTERN_C HRESULT WINAPI	IShellFolder_CompareIDs (_In_ IShellFolder *psf, _In_ LPARAM lParam, _In_ PCUIDLIST_RELATIVE pidl1, _In_ PCUIDLIST_RELATIVE pidl2)

Macro Definition Documentation

SFGDNO_RETRYALWAYS

#define SFGDNO_RETRYALWAYS   0x80000000

Definition at line 30 of file ishellfolder_helpers.h.

SFGDNO_RETRYWITHFORPARSING

#define SFGDNO_RETRYWITHFORPARSING   0x00000001

Definition at line 29 of file ishellfolder_helpers.h.

Function Documentation

IShellFolder_CompareIDs()

EXTERN_C HRESULT WINAPI IShellFolder_CompareIDs	(	_In_ IShellFolder *	psf,
		_In_ LPARAM	lParam,
		_In_ PCUIDLIST_RELATIVE	pidl1,
		_In_ PCUIDLIST_RELATIVE	pidl2
	)

Definition at line 362 of file utils.cpp.

{
    TRACE("(%p, %p, %p, %p)\n", psf, lParam, pidl1, pidl2);
 
    if (lParam & ~(SIZE_T)SHCIDS_COLUMNMASK)
    {
        /* Try as IShellFolder2 if possible */
        HRESULT hr = psf->QueryInterface(IID_IShellFolder2, (void **)&psf);
        if (FAILED(hr))
            lParam &= SHCIDS_COLUMNMASK;
        else
            psf->Release();
    }
 
    return psf->CompareIDs(lParam, pidl1, pidl2);
}

IShellFolder_GetDisplayNameOf()

HRESULT WINAPI IShellFolder_GetDisplayNameOf	(	_In_ IShellFolder *	psf,
		_In_ LPCITEMIDLIST	pidl,
		_In_ SHGDNF	uFlags,
		_Out_ LPSTRRET	lpName,
		_In_ DWORD	dwRetryFlags
	)

Definition at line 274 of file utils.cpp.

{
    HRESULT hr;
 
    TRACE("(%p)->(%p, 0x%lX, %p, 0x%lX)\n", psf, pidl, uFlags, lpName, dwRetryFlags);
 
    hr = psf->GetDisplayNameOf(pidl, uFlags, lpName);
    if (!SHLWAPI_IsBogusHRESULT(hr))
        return hr;
 
    dwRetryFlags |= SFGDNO_RETRYALWAYS;
 
    if ((uFlags & SHGDN_FORPARSING) == 0)
        dwRetryFlags |= SFGDNO_RETRYWITHFORPARSING;
 
    // Retry with other flags to get successful results
    for (SIZE_T iEntry = 0; iEntry < _countof(g_RetryData); ++iEntry)
    {
        const RETRY_DATA *pData = &g_RetryData[iEntry];
        if (!(dwRetryFlags & pData->dwRetryFlags))
            continue;
 
        SHGDNF uNewFlags = ((uFlags & ~pData->uRemove) | pData->uAdd);
        if (uNewFlags == uFlags)
            continue;
 
        hr = psf->GetDisplayNameOf(pidl, uNewFlags, lpName);
        if (!SHLWAPI_IsBogusHRESULT(hr))
            break;
 
        uFlags = uNewFlags; // Update flags every time
    }
 
    return hr;
}

IShellFolder_ParseDisplayName()

HRESULT WINAPI IShellFolder_ParseDisplayName	(	_In_ IShellFolder *	psf,
		_In_ HWND	hwndOwner,
		_In_ LPBC	pbcReserved,
		_In_ LPOLESTR	lpszDisplayName,
		_Out_ ULONG *	pchEaten,
		_Out_ PIDLIST_RELATIVE *	ppidl,
		_Out_ ULONG *	pdwAttributes
	)