erreur C2228: gauche « .DXGI_MODE » doit avoir la classe/struct/union Direct X

Question

Je suis en train d'installer ma chaîne de swap tampon mais je reçois l'erreur suivante

error C2228: left of '.DXGI_MODE' must have class/struct/union 
1>  type is 'DXGI_MODE_SCANLINE_ORDER' 

Notez que ce que je fais mal . voici le code

DXGI_SWAP_CHAIN_DESC swapChainDesc; 

    // Set the width and height of the buffers in the swap chain 
    swapChainDesc.BufferDesc.Width = 640; 
    swapChainDesc.BufferDesc.Height = 480; 

    // Set the refresh rate. This is how often the buffers get swapped out 
    swapChainDesc.BufferDesc.RefreshRate.Numerator = 60; 
    swapChainDesc.BufferDesc.RefreshRate.Denominator = 1; 

    // Set the surface format of the buffers 
    swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; 
    swapChainDesc.BufferDesc.ScanlineOrdering.DXGI_MODE; 
    //_SCANLINE_ORDER_UNSPECIFIED; 
    swapChainDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED; 
    swapChainDesc.SampleDesc.Count = 1; 
    swapChainDesc.SampleDesc.Quality = 0; 

    // Set how the buffers are used. Since you are drawing to the buffers, they are 
    //considered a render target 
    swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; 

    // Set the number of back buffers, 1 is the minimum and normally sufficient 
    swapChainDesc.BufferCount = 1; 

    // A handle to the main application window 
    swapChainDesc.OutputWindow = hWnd; 

    // Set whether you are running in a window or fullscreen mode 
    swapChainDesc.Windowed = TRUE; 

    // How the buffers are swapped. Discard allows the buffers to be overwritten 
    //completely when swapped. 
    swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; 
    swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_NONPREROTATED; 

Answer 1

Si pas ce bit

swapChainDesc.BufferDesc.ScanlineOrdering.DXGI_MODE; 
//_SCANLINE_ORDER_UNSPECIFIED; 

en fait

swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED; 

?

Answer 2

Did'n vous dire

swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE;

au lieu de

swapChainDesc.BufferDesc.ScanlineOrdering.DXGI_MODE;

Answer 3

swapChainDesc.BufferDesc.ScanlineOrdering est une énumération DXGI_MODE_SCANLINE_ORDER, et non un type de classe.

Utilisez quelque chose comme ce qui suit à la place:

swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;