January 19th 2020
Push an command to the core to be processed in the context of a particular view
the standard custom layer context pointer
the id of the view who's context thread will be sent the command
the function pointer to the command to be processed by the view
non-zero if the view exists, zero otherwise
Directly enqueued commands are triggered in the order they were enqueued before any additional events, virtual o real, are processed, and before the current frame renders.