[yezizhu]

Thanks both, it seems I can solve some unexplained crash now.

Quote:

Originally Posted by ****** Also, both your "dbr" and "object" variables are stored on the stack - which is temporary, not the heap, which is not temporary.

But if attempt to use a very big array in function, it will report "heap size xxxx" when compling, not "stack size xxxx".
So far I cannot clearly understand the differences.