Tkd - Cross platform GUI toolkit based on Tcl/Tk

[Gary Willoughby via Digitalmars-d-announce]

On Sunday, 11 May 2014 at 14:04:44 UTC, Kagamin wrote:
> GC cleans up for you. Usually this won't happen because 
> uniqueData is likely to be in data section and callback is 
> likely to be a member of a widget used elsewhere. But if they 
> aren't, GC will free them and you end up with dangling pointers 
> in CommandArgs.

I see. I think i have been bitten by this actually. What would be 
your solution?