[Lazarus] Windows.PostMessage vs Application.QueueAsyncCall

[Hans-Peter Diettrich]

Michael Schnell schrieb:
> On 03/18/2014 02:13 PM, Hans-Peter Diettrich wrote:
>> Then try to explain how e.g. a key or button press event is processed 
>> in your model.
>   I don't have a "model". I just tried to describe what the LCL does.
> 
> 
> You can see the multiple Queues in the source code:
> 
>  - Queue in the fpc RTL that is fed by things like "TThread.Queue"

This queue may be unusable for LCL messages (dunno).

>  - Queue in the Linux GUI based LCL that is fed by events (such as Key 
> or Mouse) generated by the WidgetSet it _attaches_ to  (this defines is 
> the "attach" word that I mentioned)
>  - Queue in the Windows OS the LCL in a Windows based Widget type 
> attaches to (instead of implementing it's own event queue)

IMO these queues are equivalent, only the implementor (Windows/LCL) is 
different.

DoDi