IOUIScreenCaptureUnit

Specifies the boolean value that indicates whether the snapshot image downsize or not.

Specifies the boolean value that indicates whether the snapshot should be rendered after recent changes have been incorporated.

Specifies the number of shaphot that must pass before the display link notifies the target again.

Specifies the CVPixelBufferPool’s attrivutes.

Creates an IOUIScreenCaptureUnit object to capture UIApplication.

Create an IOUIScreenCaptureUnit object to capture UIView.