Is Double-buffering required with Desktop Composition enabled?
问题 Is double-buffering still required when Desktop Composition is enabled? In Microsoft's Application Compatibility Guide: Graphical Device Interface (GDI) Prior to Windows Vista and Windows Server 2008, a window handle (HWND) was painted directly to the screen, which had certain benefits, but limited how Windows could display and manage top-level windows. In Windows Vista and Windows Server 2008, all top-level windows are rendered to an off-screen bitmap (similar to WS_EX_LAYERED), and the