[mmulet]

Interesting… do you have a link to the docs? The easiest thing prob would be to set the window to be fullscreen, but on that virtual display. That would accomplish per window screen capture.

[krackers]

It's a private API CGVirtualDisplay, but mostly well reverse engineered. Here's one example I found of a wrapper library

https://github.com/enfp-dev-studio/node-mac-virtual-display/...

[mmulet]

100. Thanks!