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This article introduces GDI and DXGI screen capture techniques, provides Qt implementations with detailed code examples, compares their performance and visual results, and presents a CPU/GPU usage benchmark, concluding that DXGI offers higher GPU efficiency while both methods have specific trade‑offs.
This article introduces GDI and DXGI screen‑capture techniques, shows how to implement them in Qt with complete code examples, compares their performance and visual results, and discusses practical considerations for teacher‑side applications such as multi‑screen and live‑streaming environments.
Wine 6.14, the latest version of the open‑source compatibility layer that runs Windows applications on POSIX systems, introduces a Mono engine upgrade to 6.3.0, a new 32‑to‑64‑bit thunk in WOW64 DLLs, expanded GDI system call support, and resolves 30 known bugs affecting games and professional software.