[Lazarus] Difference between FreeThenNil and FreeAndNil

[michael.vancanneyt at wisa.be]

On Wed, 27 Apr 2011, Alexander Klenin wrote:

> On Wed, Apr 27, 2011 at 21:20,  <michael.vancanneyt at wisa.be> wrote:
>> I would like to see a non-trivial example of this.
>>
>> Even if you can produce one (which I doubt), it doesn't change the fact that
>> it is wrong coding.
>
> http://bugs.freepascal.org/view.php?id=16035

But what does this have to do with the problem you mention in FreeAndNil ?

It's rebuilding a component tree, while part of the tree is still being
destroyed. That this will go wrong seems logical to me, but irrelevant to
FreeAndNil.

Michael.