[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 <gedmurphy.maillists at gmail.com> 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:ros-dev-bounces at reactos.org] On Behalf Of Pierre
> Schweitzer
> Sent: 16 June 2014 07:31
> To: ros-dev at 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 at 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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