Re: Bikeshedding go! Why is <M-f4> unbound?

[Jason Rumney]

On 14/01/2011 06:00, Lennart Borgman wrote:
> To delegate Alt-F4 to Windows standard routine we have to catch it in
> the message loop. I can't remember how it shows up in the message
> loop. Does it come in one peace (i.e. Alt+F4) or in a sequence (i.e.
> Alt and then F4)?
>    

It comes in peace, as one piece.

More specifically the events should come as the following sequence:

Alt Down
F4 Down with Alt modifier set
F4 Up with Alt modifier set
Alt Up

If the second event is passed to Windows to handle, I suspect the third 
event may not arrive to Emacs.