C++ (Cpp) COMCAT_GetCategoryDesc Examples

Example #1

File: comcat.c Project: carlosbislip/wine

static HRESULT WINAPI COMCAT_IEnumCATEGORYINFO_Next(
    LPENUMCATEGORYINFO iface,
    ULONG celt,
    CATEGORYINFO *rgelt,
    ULONG *pceltFetched)
{
    IEnumCATEGORYINFOImpl *This = (IEnumCATEGORYINFOImpl *)iface;
    ULONG fetched = 0;

    TRACE("\n");

    if (rgelt == NULL) return E_POINTER;

    if (This->key) while (fetched < celt) {
	LSTATUS res;
	HRESULT hr;
	WCHAR catid[39];
	DWORD cName = 39;
	HKEY subkey;

	res = RegEnumKeyExW(This->key, This->next_index, catid, &cName,
			    NULL, NULL, NULL, NULL);
	if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) break;
	++(This->next_index);

	hr = CLSIDFromString(catid, &rgelt->catid);
	if (FAILED(hr)) continue;

	res = RegOpenKeyExW(This->key, catid, 0, KEY_READ, &subkey);
	if (res != ERROR_SUCCESS) continue;

	hr = COMCAT_GetCategoryDesc(subkey, This->lcid,
				    rgelt->szDescription, 128);
	RegCloseKey(subkey);
	if (FAILED(hr)) continue;

	rgelt->lcid = This->lcid;
	++fetched;
	++rgelt;
    }

    if (pceltFetched) *pceltFetched = fetched;
    return fetched == celt ? S_OK : S_FALSE;
}

Example #2

File: information.c Project: WASSUM/longene_travel

/**********************************************************************
 * COMCAT_ICatInformation_GetCategoryDesc
 */
static HRESULT WINAPI COMCAT_ICatInformation_GetCategoryDesc(
    LPCATINFORMATION iface,
    REFCATID rcatid,
    LCID lcid,
    PWCHAR *ppszDesc)
{
/*     ICOM_THIS_MULTI(ComCatMgrImpl, infVtbl, iface); */
    WCHAR keyname[60] = { 'C', 'o', 'm', 'p', 'o', 'n', 'e', 'n',
			  't', ' ', 'C', 'a', 't', 'e', 'g', 'o',
			  'r', 'i', 'e', 's', '\\', 0 };
    HKEY key;
    HRESULT res;

    TRACE("\n\tCATID:\t%s\n\tLCID:\t%X\n",debugstr_guid(rcatid), lcid);

    if (rcatid == NULL || ppszDesc == NULL) return E_INVALIDARG;

    /* Open the key for this category. */
    if (!StringFromGUID2(rcatid, keyname + 21, 39)) return E_FAIL;
    res = RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0, KEY_READ, &key);
    if (res != ERROR_SUCCESS) return CAT_E_CATIDNOEXIST;

    /* Allocate a sensible amount of memory for the description. */
    *ppszDesc = (PWCHAR) CoTaskMemAlloc(128 * sizeof(WCHAR));
    if (*ppszDesc == NULL) {
	RegCloseKey(key);
	return E_OUTOFMEMORY;
    }

    /* Get the description, and make sure it's null terminated. */
    res = COMCAT_GetCategoryDesc(key, lcid, *ppszDesc, 128);
    RegCloseKey(key);
    if (FAILED(res)) {
	CoTaskMemFree(*ppszDesc);
	return res;
    }

    return S_OK;
}