单击,截取窗口Click to capture a window
悬停时窗口亮起彩虹轮廓,单击就截下它。macOS 上单独截取窗口本身,叠在上面的窗口不会混进来,圆角外保持透明。The window under your pointer lights up; click and it is yours. On macOS the window is captured on its own, so overlapping windows stay out and the rounded corners stay transparent.
