How to access the processorEditor from the process block

[jimc]

What's best practice for GUI change notification?

Short answer: No. Long answer: Qualified No. CallQueue and Listeners use FifoFreeStore as their ABA-immune allocator. The allocator has these properties: Immune to the ABA Problem, without using 64-bit CAS Memory is requested from the system in large blocks Memory is typically recycled and not freed A garbage collector reduces the “working set size” to the minimum number of blocks Most allocations do not call malloc or take a CriticalSection. When this memory allocator is first used there…

Some in depth discussion on the matter here.