C++ (Cpp) DEVENUM_CreateSpecialCategories Examples

Example #1

File: createdevenum.c Project: AmesianX/RosWine

/**********************************************************************
 * DEVENUM_ICreateDevEnum_CreateClassEnumerator
 */
static HRESULT WINAPI DEVENUM_ICreateDevEnum_CreateClassEnumerator(
    ICreateDevEnum * iface,
    REFCLSID clsidDeviceClass,
    IEnumMoniker **ppEnumMoniker,
    DWORD dwFlags)
{
    WCHAR wszRegKey[MAX_PATH];
    HKEY hkey;
    HKEY hbasekey;
    HRESULT hr;

    TRACE("(%p)->(%s, %p, %x)\n", iface, debugstr_guid(clsidDeviceClass), ppEnumMoniker, dwFlags);

    if (!ppEnumMoniker)
        return E_POINTER;

    *ppEnumMoniker = NULL;

    if (IsEqualGUID(clsidDeviceClass, &CLSID_LegacyAmFilterCategory))
    {
        DEVENUM_RegisterLegacyAmFilters();
    }

    hr = DEVENUM_GetCategoryKey(clsidDeviceClass, &hbasekey, wszRegKey, MAX_PATH);
    if (FAILED(hr))
        return hr;

    if (IsEqualGUID(clsidDeviceClass, &CLSID_AudioRendererCategory) ||
        IsEqualGUID(clsidDeviceClass, &CLSID_AudioInputDeviceCategory) ||
        IsEqualGUID(clsidDeviceClass, &CLSID_VideoInputDeviceCategory) ||
        IsEqualGUID(clsidDeviceClass, &CLSID_MidiRendererCategory))
    {
         hr = DEVENUM_CreateSpecialCategories();
         if (FAILED(hr))
             return hr;
         if (RegOpenKeyW(hbasekey, wszRegKey, &hkey) != ERROR_SUCCESS)
         {
             ERR("Couldn't open registry key for special device: %s\n",
                 debugstr_guid(clsidDeviceClass));
             return S_FALSE;
         }
    }
    else if (RegOpenKeyW(hbasekey, wszRegKey, &hkey) != ERROR_SUCCESS)
    {
        FIXME("Category %s not found\n", debugstr_guid(clsidDeviceClass));
        return S_FALSE;
    }

    return DEVENUM_IEnumMoniker_Construct(hkey, ppEnumMoniker);
}

Example #2

File: createdevenum.c Project: amaneureka/reactos

/**********************************************************************
 * DEVENUM_ICreateDevEnum_CreateClassEnumerator
 */
static HRESULT WINAPI DEVENUM_ICreateDevEnum_CreateClassEnumerator(
    ICreateDevEnum * iface,
    REFCLSID clsidDeviceClass,
    IEnumMoniker **ppEnumMoniker,
    DWORD dwFlags)
{
    HKEY hkey, special_hkey = NULL;
    HRESULT hr;

    TRACE("(%p)->(%s, %p, %x)\n", iface, debugstr_guid(clsidDeviceClass), ppEnumMoniker, dwFlags);

    if (!ppEnumMoniker)
        return E_POINTER;

    *ppEnumMoniker = NULL;

    if (IsEqualGUID(clsidDeviceClass, &CLSID_LegacyAmFilterCategory))
    {
        DEVENUM_RegisterLegacyAmFilters();
    }

    if (IsSpecialCategory(clsidDeviceClass))
    {
         hr = DEVENUM_CreateSpecialCategories();
         if (FAILED(hr))
             return hr;

         special_hkey = open_special_category_key(clsidDeviceClass, FALSE);
         if (!special_hkey)
         {
             ERR("Couldn't open registry key for special device: %s\n",
                 debugstr_guid(clsidDeviceClass));
             return S_FALSE;
         }
    }

    hkey = open_category_key(clsidDeviceClass);
    if (!hkey && !special_hkey)
    {
        FIXME("Category %s not found\n", debugstr_guid(clsidDeviceClass));
        return S_FALSE;
    }

    return DEVENUM_IEnumMoniker_Construct(hkey, special_hkey, ppEnumMoniker);
}