Re: Disabling screen capture
Re: Disabling screen capture
- Subject: Re: Disabling screen capture
- From: "Bradley O'Hearne" <email@hidden>
- Date: Fri, 21 Feb 2014 08:50:13 -0700
On Feb 21, 2014, at 5:33 AM, Uli Kusterer <email@hidden> wrote:
> On 20 Feb 2014, at 20:58, Bradley O'Hearne <email@hidden> wrote:
>> At WWDC 2013, I approached the Apple engineering teams with a need that a client of mine had to disable all screen capture while an app was running. This includes the hotkeys for taking screenshots, capturing displays with AVFoundation, remote desktop apps, Airplay, etc. As to the specific use case in play here, the issue is that there is proprietary content delivered via the app — and the owners of this content need that content secured such that there is no easy facility *on the machine it is running on* to capture this content. Please forgive the length of what follows, but a little explanation is necessary.
>
>
> I would expect NSWindow's -setSharingType: NSWindowSharingNone method to allow doing that. Have you tried that?
Uli — thanks for the reply. I would have expected the same thing, but it doesn’t prevent either Command-Shift-3 or Command-Shift-4 screen shots, nor screen recording (such as in QuickTime or with a tool like ScreenFlow). Kind of a dubious property naming given that it doesn’t really prevent sharing of window content.
Brad
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