[Lazarus] How to PostMessage to object?

[Henry Vermaak]

On 09/06/11 11:01, Mattias Gaertner wrote:
>
>
> Michael Schnell <mschnell at lumino.de> hat am 9. Juni 2011 um 11:46
> geschrieben:
>
>  > On 06/09/2011 10:58 AM, Henry Vermaak wrote:
>  > > You will corrupt the linked list that QueueAsyncCall() uses when you
>  > > call it from multiple threads, so you _must_ protect it.
>  > As QueueAsyncCall is specified exactly for this use, it needs to take
>  > care of this issue internally. Otherwise it obviously is buggy. I trust
>  > that the LCL developers did a decent job.
>
> The only "specification" I found for TApplication.QueueAsyncCall is the
> fpdoc entry:
>
> Insert a given asynchronous call into the queue
>
> Why do you think it is thread safe?

Do you propose that QueueAsyncCall throws an exception if it's used from 
outside the main thread?  Otherwise adding a critical section to all the 
async queue methods is in order.

Henry