If you're seeing this, don't worry—your PC isn't broken. You're just missing a specific set of "Managed DirectX" files that modern Windows versions no longer include by default. Why is this happening? This version (1.0.2902) belongs to the Managed DirectX 1.1
// 1. Setup Presentation Parameters PresentParameters presentParams = new PresentParameters(); presentParams.Windowed = true; // Run in a window presentParams.SwapEffect = SwapEffect.Discard; Microsoft.directx.direct3d Version 1.0.2902
// 6. Present to screen device.Present(); If you're seeing this, don't worry—your PC isn't broken