Warning when open to many files

[KurtB]

I am using Focus Stacking a lot and  sometimes I by mistake open files with Open... instead of using New Focus Merge... My stackings consists of hundreds of images an this will hang, crash or slow down Affinity Photo. Sometimes I must restart my PC with reset when also Windows will hang. A warning when opening many files with Open... would be fine. If the opening with many files should work, it would also be fine with a Close all command instead of closing Affinity Photo. Repeting Cntr-W is not useful.