Multi-threaded GUI

[Kagamin]

On Thursday, 26 July 2012 at 17:15:23 UTC, Simon wrote:
> On 'doze every thread can have it's own message pump and 
> therefore it's own UI, but if you have an ancestor/descent 
> relation between 2 windows they must belong to the same thread.

I meant, you can, say, set window text from non-ui thread 
directly and it will probably succeed, while normally the control 
should check and throw if current thread doesn't match ui thread.