I declared a Public:\"Handle(AIS_InteractiveObject) aObject\" in header file(Dialog). After destroying the Dialog, I recall the dialog, again. I find that aObject stills keep data. How can I release manually the object before destroying the dialog? Or it should be released by itself because of "Handle". If it is true. Why doesn't the aObject keep Null? Thanks a lot.
PS. I have tried to use VC++ way to "delete aObject". It crashed.