Applications no longer draw directly on the screen but they draw on a bitmap in memory, and DWM takes care of drawing on the screen.
应用程序不会直接在屏幕上绘图而是在内存的位图上进行,DWM负责把图像绘制到屏幕。
3
This scaling can be performed automatically by the desktop Window Manager (DWM) for the desktop and for applications that do not explicitly ask not to be scaled.