Re: [ros-dev] [ros-diffs] [hbelusca] 63599: [TASKMGR]: Use the EndTask API to kill tasks.

[David Quintana (gigaherz)]

It's equivalent to writing "<something> != 0", although less readable.
I
have no idea if compilers actually generate better code for it, or people
just do it because it's shorter to type.
On 16 June 2014 11:09, Ged Murphy &lt;gedmurphy.maillists(a)gmail.com&gt; wrote:
>   Yes, the double negate is a little trick to give you
> either a 1 or a 0
>  instead of the value of the operation.
>  -----Original Message-----
>  From: Ros-dev [mailto:[e-mail]] On Behalf Of Pierre
>  Schweitzer
>  Sent: 16 June 2014 07:31
>  To: ros-dev(a)reactos.org
>  Subject: Re: [ros-dev] [ros-diffs] [hbelusca] 63599: [TASKMGR]: Use the
>  EndTask API to kill tasks.
>  On 15/06/2014 19:47, hbelusca(a)svn.reactos.org wrote:
> >   +    /* Trick: on Windows, pressing the CTRL key
> > forces the task to be 
>  ended */
> >   +    BOOL ForceEndTask =
> > !!(GetKeyState(VK_CONTROL) & 0x8000);
> >  + 
>  Was it really meant to be '!!'?
>  --
>  Pierre Schweitzer<pierre at reactos.org> System Administrator ReactOS
>  Foundation
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