HR(D3D10CreateDevice(
        0,                 //default adapter
        md3dDriverType,
        0,                 // no software device
        createDeviceFlags, 
        D3D10_SDK_VERSION,
        &md3dDevice) );

IDXGIDevice * pDXGIDevice;
HR( md3dDevice->QueryInterface(__uuidof(IDXGIDevice), (void **)&pDXGIDevice) );

IDXGIAdapter * pDXGIAdapter;
HR( pDXGIDevice->GetParent(__uuidof(IDXGIAdapter), (void **)&pDXGIAdapter) );

IDXGIFactory * pIDXGIFactory;
pDXGIAdapter->GetParent(__uuidof(IDXGIFactory), (void **)&pIDXGIFactory);

HR(pIDXGIFactory->CreateSwapChain(md3dDevice, &sd, &mSwapChain));
pIDXGIFactory->MakeWindowAssociation(mhMainWnd, DXGI_MWA_NO_ALT_ENTER);