C++ (Cpp) INetCfgComponent::Releaseの例

コード例 #1

ファイル: lanconnectui.cpp プロジェクト: RPG-7/reactos

BOOL
CNetConnectionPropertyUi::GetINetCfgComponent(INetCfg *pNCfg, INetCfgComponent ** pOut)
{
    LPWSTR pName;
    HRESULT hr;
    INetCfgComponent * pNCg;
    ULONG Fetched;
    IEnumNetCfgComponent * pEnumCfg;

    hr = pNCfg->EnumComponents(&GUID_DEVCLASS_NET, &pEnumCfg);
    if (FAILED(hr))
    {
        return FALSE;
    }

    while (pEnumCfg->Next(1, &pNCg, &Fetched) == S_OK)
    {
        hr = pNCg->GetDisplayName(&pName);
        if (SUCCEEDED(hr))
        {
            if (!_wcsicmp(pName, pProperties->pszwDeviceName))
            {
                *pOut = pNCg;
                pEnumCfg->Release();
                return TRUE;
            }
            CoTaskMemFree(pName);
        }
        pNCg->Release();
    }
    pEnumCfg->Release();
    return FALSE;
}

コード例 #2

ファイル: VBoxNetFltNobj.cpp プロジェクト: gvsurenderreddy/virtualbox

static HRESULT vboxNetFltWinNotifyShouldBind(IN INetCfgBindingInterface *pIf, OUT bool *pbShouldBind)
{
    INetCfgComponent * pAdapterComponent;
    HRESULT hr = pIf->GetLowerComponent(&pAdapterComponent);
    if (hr == S_OK)
    {
        hr = vboxNetFltWinNotifyShouldBind(pAdapterComponent, pbShouldBind);

        pAdapterComponent->Release();
    }
    else
    {
        NonStandardAssertBreakpoint();
    }

    return hr;
}

コード例 #3

ファイル: Win32Com.cpp プロジェクト: benapetr/SoftEtherVPN

// Install the NDIS protocol driver
bool UninstallNdisProtocolDriver(wchar_t *id, UINT lock_timeout)
{
	bool ret = false;
	HRESULT hr;
	INetCfg *pNetCfg;
	// Validate arguments
	if (id == NULL)
	{
		return false;
	}

	hr = CoCreateInstance(CLSID_CNetCfg, NULL, CLSCTX_INPROC_SERVER, IID_INetCfg, (void **)&pNetCfg);

	if (SUCCEEDED(hr))
	{
		INetCfgLock *pLock;

		hr = pNetCfg->QueryInterface(IID_INetCfgLock, (PVOID*)&pLock);

		if (SUCCEEDED(hr))
		{
			LPWSTR locked_by;

			hr = pLock->AcquireWriteLock(lock_timeout, L"SoftEther VPN", &locked_by);

			if (SUCCEEDED(hr))
			{
				hr = pNetCfg->Initialize(NULL);

				if (SUCCEEDED(hr))
				{
					INetCfgComponent *pncc = NULL;

					hr = pNetCfg->FindComponent(id, &pncc);

					if (pncc == NULL || hr == S_FALSE)
					{
						hr = E_FAIL;
					}

					if (SUCCEEDED(hr))
					{
						INetCfgClass *pncClass;

						hr = pNetCfg->QueryNetCfgClass(&GUID_DEVCLASS_NETTRANS, IID_INetCfgClass, (void **)&pncClass);
						if (SUCCEEDED(hr))
						{
							INetCfgClassSetup *pncClassSetup;

							hr = pncClass->QueryInterface(IID_INetCfgClassSetup, (void **)&pncClassSetup);
							if (SUCCEEDED(hr))
							{
								OBO_TOKEN obo;
								wchar_t *c = NULL;

								Zero(&obo, sizeof(obo));

								obo.Type = OBO_USER;

								hr = pncClassSetup->DeInstall(pncc, &obo, &c);

								if (SUCCEEDED(hr))
								{
									hr = pNetCfg->Apply();

									if (SUCCEEDED(hr))
									{
										ret = true;
									}
									else
									{
										WHERE;
										Debug("0x%x\n", hr);
									}
								}
								else
								{
									WHERE;
									Debug("0x%x\n", hr);
								}

								pncClassSetup->Release();
							}
							else
							{
								WHERE;
							}

							pncClass->Release();
						}
						else
						{
							WHERE;
						}

						pncc->Release();
					}
					else
					{
						WHERE;
					}
				}
				else
				{
					WHERE;
				}

				pLock->ReleaseWriteLock();
			}
			else
			{
				WHERE;
			}

			pLock->Release();
		}

		pNetCfg->Release();
	}
	else
	{
		WHERE;
	}

	return ret;
}