Getting number of messages in MessageBox

[Andrej Mitrovic]

On 8/6/13, Marek Janukowicz <marek at janukowicz.net> wrote:
> I'm using std.concurrency message passing and I'd like to check which thread
> might be a bottleneck. The easiest would be check number of messages piled
> up for each of them, but I could not find a way to do that. Is it possible?
>
> Every detail about MessageBox seems to be hidden...

I wanted this too, and filed Issue 5806 many months ago:
http://d.puremagic.com/issues/show_bug.cgi?id=5806

Hopefully someone steps up and implements the feature.