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Mac Forum / Programming / Mac Programming / April 2008F7 key
Hi F7 key do mirror on/off. I want to disable mirror on/off, when my application is running. How can I achive this ? p2 > F7 key do mirror on/off. > I want to disable mirror on/off, when my application is running. > How can I achive this ? Why are you trying to do this? Ben  SignatureIf this message helped you, consider buying an item from my wish list: <http://artins.org/ben/wishlist> > In article <a2031055-ebc4-43bf-8b7f-ac905db03...@d26g2000prg.googlegroups.com>, > [quoted text clipped - 9 lines] > If this message helped you, consider buying an item > from my wish list: <http://artins.org/ben/wishlist> Reason behind is, Suppose mirror is turn on and i am projecting my display using projector. Now on pressing F7, mirror is turn off. So my projector automatically take extended display to display on MacBook. Also one thing i want to know. Is there more than two display in Mac Laptop or Mac desktop computer ? p2 In article <655878a0-ed30-4237-94dc-9c14df02a7bc@f24g2000prh.googlegroups.com>, > Also one thing i want to know. > Is there more than two display in Mac Laptop or Mac desktop computer ? Desktops have card slots. You can put in more video cards and have more than two displays. There exist boxes for laptops that accomplish the same thing. > In article > <655878a0-ed30-4237-94dc-9c14df02a7bc@f24g2000prh.googlegroups.com>, [quoted text clipped - 4 lines] > Desktops have card slots. You can put in more video cards and have more > than two displays. Current Mac Pros have room for four cards, each of which can drive two displays. With 8 cores and a potential of 8 displays, I've often wondered why is isn't called OctaMac more often. sherm-- SignatureMy blog: http://shermspace.blogspot.com Cocoa programming in Perl: http://camelbones.sourceforge.net > > In article > > <a2031055-ebc4-43bf-8b7f-ac905db03...@d26g2000prg.googlegroups.com>, [quoted text clipped - 8 lines] > Now on pressing F7, mirror is turn off. So my projector automatically > take extended display to display on MacBook. I understand that this is how the operating system works. I do not understand why this is a problem for your application -- every other application behaves the same way, and it's not a problem in other applications. Please explain further. Ben SignatureIf this message helped you, consider buying an item from my wish list: <http://artins.org/ben/wishlist> > In article > <655878a0-ed30-4237-94dc-9c14df02a7bc@f24g2000prh.googlegroups.com>, [quoted text clipped - 18 lines] > > Ben When did "Because I want it to be this way" become insufficient reason to want a system (Whether it be a Mac, a Windows box, or whatever else) to behave in a specific manner? In other words, why rake this guy over the coals about the reasons for wanting to do it the way he wants it done, instead of (assuming you have an answer to give him) just giving him the "Here's how it can be done" answer that he's asking for??? SignatureDon Bruder - dakidd@sonic.net - If your "From:" address isn't on my whitelist, or the subject of the message doesn't contain the exact text "PopperAndShadow" somewhere, any message sent to this address will go in the garbage without my ever knowing it arrived. Sorry... <http://www.sonic.net/~dakidd> for more info > > In article > > <655878a0-ed30-4237-94dc-9c14df02a7bc@f24g2000prh.googlegroups.com>, [quoted text clipped - 23 lines] > answer to give him) just giving him the "Here's how it can be done" answer > that he's asking for??? First of all, I am not raking him over the coals. I am politely requesting additional information about the nature of the problem. Second, my answer depends not only on what the original poster thinks what he wants, but also on understanding how he got there. In my experience, when people ask "how do I do X" and X is unusual, there is a good chance that there is an approach that they did not think of or think through. I consider it a matter of professional responsibility to make sure that when I am answering someone else's question I make an effort to understand it as well as I would if I were working on it myself. Ben SignatureIf this message helped you, consider buying an item from my wish list: <http://artins.org/ben/wishlist> > I consider it a matter of professional responsibility to make sure that when > I am answering someone else's question I make an effort to understand it as > well as I would if I were working on it myself. Good man. SignaturePlease send all responses to the relevant news group. E-mail sent to this address may be devoured by my very hungry SPAM filter. I do not read posts from Google Groups. Use a real news reader if you want me to see your posts. JR > In article <FL-dndNFhdhEw5bVnZ2dnUVZ_onin...@comcast.com>, > [quoted text clipped - 47 lines] > > - Show quoted text - Thanks, In article <a2031055-ebc4-43bf-8b7f-ac905db030c1@d26g2000prg.googlegroups.com>, > F7 key do mirror on/off. > I want to disable mirror on/off, when my application is running. > How can I achive this ? Consider, at startup, detecting that there are multiple displays, and giving the user the option of running on the second display. Your app would use Core Graphics calls to capture the display, signalling to the O.S. that your app owns the display, so the displays should not be mirrored. I am, at this moment, writing this on a multi-display Tiger (10.4) desktop system, and F7 does not change the whether the displays are mirrored or not. See: CGDisplayConfiguration.h file:///Developer/ADC%20Reference%20Library/documentation/GraphicsImaging /Conceptual/QuartzDisplayServicesConceptual |
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