I've used subclasses of process for the debugger stuff without problems. Max
On 17 August 2017 at 14:05:14, Denis Kudriashov (dionisi...@gmail.com) wrote: Hi. Is it allowed to subclass Process? I remember that there were some problems with it but I could not find any information. Generally I think about system processes which can be represented by concrete subclasses. For example explicit UIProcess can be used to remove many #isUIProcess conditions from system. Best regards, Denis