HRESULT WINAPI CDesktopFolderEnum::Initialize	(	CDesktopFolder *	desktopFolder,
		HWND	hwndOwner,
		DWORD	dwFlags
	)
Definition at line 128 of file desktop.cpp.
{
    BOOL ret = TRUE;
    WCHAR szPath[MAX_PATH];

    static const WCHAR MyDocumentsClassString[] = L"{450D8FBA-AD25-11D0-98A8-0800361B1103}";
    static const WCHAR Desktop_NameSpaceW[] = L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Desktop\\Namespace";

    TRACE("(%p)->(flags=0x%08x)\n", this, dwFlags);

    /* enumerate the root folders */
    if (dwFlags & SHCONTF_FOLDERS)
    {
        HKEY hkey;
        UINT i;
        DWORD dwResult;

        /* create the pidl for This item */
        if (IsNamespaceExtensionHidden(MyDocumentsClassString) < 1)
        {
            ret = AddToEnumList(_ILCreateMyDocuments());
        }
        ret = AddToEnumList(_ILCreateMyComputer());

        for (i = 0; i < 2; i++)
        {
            if (i == 0)
                dwResult = RegOpenKeyExW(HKEY_LOCAL_MACHINE, Desktop_NameSpaceW, 0, KEY_READ, &hkey);
            else
                dwResult = RegOpenKeyExW(HKEY_CURRENT_USER, Desktop_NameSpaceW, 0, KEY_READ, &hkey);

            if (dwResult == ERROR_SUCCESS)
            {
                WCHAR iid[50];
                LPITEMIDLIST pidl;
                int i = 0;

                while (ret)
                {
                    DWORD size;
                    LONG r;

                    size = sizeof (iid) / sizeof (iid[0]);
                    r = RegEnumKeyExW(hkey, i, iid, &size, 0, NULL, NULL, NULL);
                    if (ERROR_SUCCESS == r)
                    {
                        if (IsNamespaceExtensionHidden(iid) < 1)
                        {
                            pidl = _ILCreateGuidFromStrW(iid);
                            if (pidl != NULL)
                            {
                                if (!HasItemWithCLSID(pidl))
                                {
                                    ret = AddToEnumList(pidl);
                                }
                                else
                                {
                                    SHFree(pidl);
                                }
                            }
                        }
                    }
                    else if (ERROR_NO_MORE_ITEMS == r)
                        break;
                    else
                        ret = FALSE;
                    i++;
                }
                RegCloseKey(hkey);
            }
        }
        for (i = 0; i < 2; i++)
        {
            if (i == 0)
                dwResult = RegOpenKeyExW(HKEY_LOCAL_MACHINE, ClassicStartMenuW, 0, KEY_READ, &hkey);
            else
                dwResult = RegOpenKeyExW(HKEY_CURRENT_USER, ClassicStartMenuW, 0, KEY_READ, &hkey);

            if (dwResult == ERROR_SUCCESS)
            {
                DWORD j = 0, dwVal, Val, dwType, dwIID;
                LONG r;
                WCHAR iid[50];

                while(ret)
                {
                    dwVal = sizeof(Val);
                    dwIID = sizeof(iid) / sizeof(WCHAR);

                    r = RegEnumValueW(hkey, j++, iid, &dwIID, NULL, &dwType, (LPBYTE)&Val, &dwVal);
                    if (r == ERROR_SUCCESS)
                    {
                        if (Val == 0 && dwType == REG_DWORD)
                        {
                            LPITEMIDLIST pidl = _ILCreateGuidFromStrW(iid);
                            if (pidl != NULL)
                            {
                                if (!HasItemWithCLSID(pidl))
                                {
                                    AddToEnumList(pidl);
                                }
                                else
                                {
                                    SHFree(pidl);
                                }
                            }
                        }
                    }
                    else if (ERROR_NO_MORE_ITEMS == r)
                        break;
                    else
                        ret = FALSE;
                }
                RegCloseKey(hkey);
            }

        }
    }

    /* enumerate the elements in %windir%\desktop */
    ret = ret && SHGetSpecialFolderPathW(0, szPath, CSIDL_DESKTOPDIRECTORY, FALSE);
    ret = ret && CreateFolderEnumList(szPath, dwFlags);

    ret = ret && SHGetSpecialFolderPathW(0, szPath, CSIDL_COMMON_DESKTOPDIRECTORY, FALSE);
    ret = ret && CreateFolderEnumList(szPath, dwFlags);

    return ret ? S_OK : E_FAIL;
}
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