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I am trying to make a CDF application that takes the user's system information (screen information) and adjusts the size of the application to give a seamless experience over different screens with widely varying display properties.

Below is the code I tried. It should have worked, but it doesn't. I am very confused. The CDF is intended to be deployed in Player Pro/Mathematica.

         Panel[GraphicsGrid[ConstantArray[1, {48, 78}],
                            ImageSize -> {800, 500},
                            Background -> RGBColor[.745, .886,.1],
                            Alignment -> {Left,Top},
                            ItemAspectRatio -> 1
                           ](*GraphicsGrid is Closed*), 
               Background -> Gray,
               Alignment ->{Center, Center}
               ](*Panel is Closed*)
        }])(*Column is Closed*), 
        WindowSize ->Dynamic[{Round[N[((780/96)*SystemInformation["Devices","ScreenInformation"][[1, 4, 2]])]], 
                                  Round[N[((780/96)*SystemInformation["Devices","ScreenInformation"][[1, 4, 2]])]]}]
    ](*CreateDocument is Closed*)
](*CdfDeploy is closed*)
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How is the code not working? Do you get an error message? What behavior are you seeing when you run the code? – Searke Oct 10 '12 at 19:48
Is WindowSize->Full what you are looking for (full screen for whatever device is being used)? – Mike Honeychurch Oct 10 '12 at 22:28
When I have deployed it in to CDF, that CDF width and height in different system is same as it was in my system. But both have different screen resolution. – subbu Oct 11 '12 at 5:23
up vote 3 down vote accepted

This might not be completely what you want, but it works:

CDFDeploy[SystemDialogInput["FileSave"], DocumentNotebook[
         GraphicsGrid[ConstantArray[1, {48, 78}], ImageSize -> {800, 500}, 
                 Background -> RGBColor[0.745, 0.886, 0.1], 
          Alignment -> {Left, Top}, 
                 ItemAspectRatio -> 1], Background -> Gray, 
         Alignment -> {Center, Center}]}]], 
       WindowSize -> Flatten[Differences /@ 

        First["ScreenArea" /. 
          SystemInformation["Devices", "ScreenInformation"]]]]
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If I assign the below code to the WindowSize ,then it's not working.....why? {Round[N[780/96* First["Resolution" /. SystemInformation["Devices", "ScreenInformation"]]]], Round[N[480/96* First["Resolution" /. SystemInformation["Devices", "ScreenInformation"]]]]} – subbu Oct 11 '12 at 9:29
Because Resolution is not WindowSize. – Rolf Mertig Oct 11 '12 at 9:58
@ Rolf Mertig : your code is working fine but the problem was whenever we open that cdf, the taskbar overlaps the horizontal scrollbar...why is that happening? – subbu Oct 11 '12 at 10:29

I know this is less flexible than the above solution, but it's fast and does most of the logic for you.... try doing this: WindowSize->{Scaled[1/2],Scaled[1/2]}

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