空山新雨:
That's because you still keep reference somewhere in your program.
[阅读: 454] 2006-08-22 09:24:43
And it is a very bad style of always creating new objects. can you write a modifiable object by your own to replace it? Or it is really needed?
A safe way can be set the possible references to NULL after you used it. You should exam your program, especially for the class level members.