Reading electronic identity cards in a windows store app project

In a windows store app project, i've been ask to implement a way to read the information on a Electronic Identity card such as this
is there any API i can use on a windows Store App project to achieve this? can't seem to find anything of sorts

You would have to be able to tap into a reader with a driver which returns the information back to the app. Do you have this?
Matt Small - Microsoft Escalation Engineer - Forum Moderator
If my reply answers your question, please mark this post as answered.
NOTE: If I ask for code, please provide something that I can drop directly into a project and run (including XAML), or an actual application project. I'm trying to help a lot of people, so I don't have time to figure out weird snippets with undefined
objects and unknown namespaces.

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Printing in Windows Store Apps

So,
I am changing this post because my problem is far more complicated (annoying) than originally expected. If I were creating a WinForms app I would have access to System.Drawing and the Win32 API, but as I am currently trying to create this as a Windows
Store app, it renders those possibilities moot.
The idea is to print a small 1x1 inch to a specific printer. Now, in the Runtime intrerop functionality I could search for the printer driver and just assign that value to the PrintDocument. Using a graphics I could just draw the in memory bitmap
to the document and send it away.
However, in this hyper security limited context of the metro interface "store app" I have found so far only Windows.Graphics.Printing and WIndows.UI.Xaml.Printing namespaces. Though they seem to allow for sending data to
a printer thus far I have not found any indication I determine
which printer.
The whole idea is a closed box system, so no extraneous dialogs or user interactions. They pick the image, set the quanity, and the golden hamster wheel spits out a printed label.
Now, I can do this very simply in a WinForms application, which I will be working on concurrently so I have a final product to deliver, but for myself (and the client) we would prefer a windows 8 metro style app to do this. (now if store apps just
access the entirety of .Net that would so much simpler, but wishes and horses).
So could anyone provide me a map for more advanced control of the Printing process from a Windows Store App that I might figure out how to send the print document to the printer I want?
Thanks
Jaeden "Sifo Dyas" al'Raec Ruiner

Excellent, thanks for the quick reply.
For clarification, you mentioned a few terms that i would like to clarify:
1. windows runtime component / desktop printing API
this sound like an actual windows 8 desktop application. Like what you'd run on windows 7 and windows 8 desktop. (Full .net 3.5/4/4.5 not the "Windows Store App"). Basically a Windows Forms application / class library / win service
maybe?
2. brokered
this term sounds like there is a way to communicate from a Windows Metro/Store (XAML) App to a windows desktop component (a process maybe?). If so, how does one do that. If I create a WinForms application and create a class library for it.
That class library can be used by any .net application that references it but in the Windows Store App project I can't reference a standard class library, but your use of the term "brokered" suggests there is a way to do this. Where would I
find how to do that?
3. desktop
Finally, by the mention of the term "desktop" red flags go up. I personally will never use Windows RT because it lacks the desktop. However, by the suggestions you've made here the only way to get my goal seems to be in using Windows
Desktop features. If I were to create the XAML App and the "brokered component" to thus have access to "desktop printing", is that something that will even work on a Windows RT machine?
Thanks so much,
J"SD"a'RR
"Never Trust a computer. Your brain is smarter than any micro-chip."
PS - Don't mark answers on other people's questions. There are such things as Vacations and Holidays which may reduce timely activity, and until the person asking the question can test your answer, it is not correct just because you think it is. Marking it
correct for them often stops other people from even reading the question and possibly providing the real "correct" answer.

Publish my windows store app, but not until I'm 18?

Hello,
I am about finished with my first Windows Store app :-) and I went to get a developer account so I can publish the app (I am even willing to let go of $50 for initially publishing a free app), and it said "You must be 18 years old to have a Windows
Store developer account." :-( It said this because I am 17, but I want to clarify here. Are you saying that everyone under 18 is completely locked out of app sharing? Since the Windows Store is the only means of distribution, it is surprisingly inaccessible.
I am not even submitting a paid app yet, so I don't even need to worry about direct bank deposits for getting paid. I'm a bit lucky because my birthday is only 6 months away, but what if there are 15 or 16 year-olds that want to release their app to the world?
I think you should have a type of youth account or something. For example, (if you are under 18 only) it would be free to create, and you can only publish free apps. This seems like the only truly fair way to make up for the monopolistic distribution, not
to mention help the entire Windows 8 app ecosystem.
I seriously don't know what problem there would be with people under 18 publishing their apps. I even work at my community college as a math tutor! Could the restriction be lowered to 16 years old?

Listen, I love Windows 8 and the new app platform, but this requirement is ridiculous, and it needs to get fixed for the good of the platform. Already, only 33% of developers are even willing to develop Windows 8 apps, whereas there are some 16 and 17 year-olds
(like ME) that are shunned out of the process. This is unacceptable.
Alex, I understand your feelings on this, but this is absolutely the same on any other platform. It is also the same for any legal aspect of starting a business. When you start selling or distributing applications through the Windows store, or
via the App Store, or Play... you are exposing not only yourself, but the respective operators of those systems, to all sorts of liability and in order to clearly define rights and responsibilities, contracts are required. For example, you have to sign
a contract that in part attests to the fact that you understand and agree that you won't use your apps as a means of doing or promoting anything illegal. You also attest that you won't rampantly steal content that belongs to others, etc.
The problem is that any such contract you sign does not carry the weight of law; under the law, you cannot enter into a contract and have that contract be binding. Any 'promise' you make under such a contract is thus automatically void and the contract
provides no protection at all to the other party arising out of any action you could potentially take. Not only that, it exposes them to potential liability arising out of allowing a minor to participate in contractually obligated proceedings knowing
those proceedings are null and void.
You would not be able to open a bank account or obtain a credit card without the assistance of a parent or guardian. This is no different.
The easy answer, as has been suggested already, is to have your parent or guardian sign up for a developer account and sign any necessary contracts, and then develop away.

Login to WebApi (MVC + WebApi) with Microsoft Account from Windows Store App

Hi
How can I access a WebApi Controller (ASP.NET MVC+WebApi) that is secured with Microsoft Account from a Windows Store App?
I have no idea how to login. I tried the LiveSDK but this gives me only access to OneDrive, Callender and so on.
Could someone please point me in the right direction.
Thanks
Guenter

Hi Guenter,
To be clear, you are using Microsoft account as login and at same time you have your own REST service for other functionalities?
Let's say if you login with LiveSDk, you should be able to get some access token, see this for more information:
Signing users in, after that use the token to access your REST service, as I understand REST service is a kind of http request, we can use HTTPClient to request data from the address.
I'm afraid there is no existing sample here but the only thing I found is HTTPClient sample:
https://code.msdn.microsoft.com/windowsapps/HttpClient-sample-55700664, you can use POST to send your token information to the server.
--James
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Windows Store apps on Windows Server 2012 with XenApp?

We've got asked by a vendor whether our app will be able to support multiple simultaneous users, when installed on Windows Server 2012 and accessed via XenApp.
I suppose the real question here is whether or not Windows Store apps can be run in XenApp over Windows Server 2012 at all, and if so whether there are any special requirements on the apps to support multiple simultaneous instances execution.
The app itself takes each user through a log in procedure, during which all the dynamic user-specific data is retrieved from the back-end server; no such data is stored by the app locally.
Any advice will be greatly appreciated!
Thank you,
Alex

Hi,
To better help you, the Citrix support could be more helpful on your questions:
http://support.citrix.com/search?searchQuery=*&lang=en&sort=date_desc&prod=XenApp&pver=
The reason why we recommend posting appropriately is you will get the most qualified pool of respondents, and other partners who read the forums regularly can either share their knowledge or learn from your interaction with us. Thank you for your understanding.
As I known, we always use Remoteapp feature to share app, but it is only worked for desktop app:
Publishing RemoteApps in Windows Server 2012
http://social.technet.microsoft.com/wiki/contents/articles/10817.publishing-remoteapps-in-windows-server-2012.aspx
About citrix product, I knew little about it.
Kate Li
TechNet Community Support

Distributing multiple versions of an app within a single Windows Store app

The company I work for creates Point Of Sale (POS) software using Software As A Service (SAAS), so we host our clients' databases. We do not force all of our clients to all be on the same version of our software; i.e. some clients are on version 3,
others v4, others v5, etc. As you would expect, the database schema for each of these versions is different, so each of these clients also use a different version of our client-side app.
We are looking at making a Windows Store app that acts as a light-weight POS app that clients can use to sell their products. The problem is, we will require having multiple versions of our Windows Store app in production; the version of the app that
the client uses must correspond to their database version. We were initially hoping to have our Windows Store app detect which version of the app the client should be using, and then automatically update itself to the correct version, but
were told on this post that it violates the Windows Store certification criteria, so that's not an option.
It has been suggested that we put multiple apps into the Store; one for each version of our software. We really don't want to do this though, as when we upgrade a client's database from one version to the next it would require that they uninstall their current
app and install the newer versions app, causing them to lose all of their custom settings. We would like the updates to remain as transparent to the end users as possible; the store clerk shouldn't need to worry about which version their database is on so
they know which app to download from the Store.
As a possible workaround, is it ok for us to package all 3 versions of our app into a single Windows Store app, and then just have the app check at runtime which version it should run? I assume that this is alright, since we will not be downloading
any other code or installing any software/apps, as was the case with our original solution that violates the certification criteria. Essentially we would just have 3 different classes and determine at run-time which classes code we should run.
I know that this solution isn't ideal, as it means our app will be 3 times larger than it needs to be, and that an update to any one of the 3 versions of our software will require an update to the Store app (so potentially users may download a new version
of the Store app, even though it doesn't have any changes for the particular code version (i.e. class) that they will use), but it's one of the best alternatives we have come up with. I just want to check that this solution doesn't also violate any certification
criteria before we go down this road.
If this is not allowed then our only other alternative might be to go with sideloading (as
I discuss on this thread) and avoid using the Windows Store all together, but we would prefer to use the Store if possible as it eliminates a lot of overhead that we would have to deal with if we use sideloading.
Any insights or suggestions that you can give are appreciated. Thanks!
- Dan - "Can't never could do anything"

Hey Mr_bigworlds, thanks for the reply. The moderator on this post actually told me that this
would be a better forum for my inquiries. I agree that there may be another forum better suited for this question (there are so many that I don't know about), but since this relates to Windows Store certification criteria, I don't think the Windows Desktop
Development forums are the place for it.
- Dan - "Can't never could do anything"

How to find out if the company account for developing windows store apps is verified/approved?

We have created the account for windows store app. How can I find out if the account was approved (the identity of the company)?

Hi,
There is one more method,i know
Set the JAVA_HOME and PATH
then execute the
$WL_HOME\wlserver_10.3\server\bin>setWLSEnv.cmd
Go to directory which contains weblogic.jar ($WL_HOME\server\lib) and run below command
$WL_HOME\wlserver_10.3\server\lib>java -cp weblogic.jar weblogic.version
WebLogic Server 10.3.4.0 Fri Dec 17 20:47:33 PST 2010 1384255
Hope this will be helpful,
Regards
Fabian

How to use local .sdf database in a windows store apps

Hi,
I am new in windows store app development. I have been working in WPF application development for long time. Now I want develop windows store apps. I am studying on it. I got a problem. I what to store data from windows store app in .sdf database file. I
confused is .sdf database is compatible with windows store apps.
I want Deploy the apps in windows apps store. Is .sdf database support in client machine while he download it and run his own machine.
Please Suggest me about it with sample reference. It will be very helpful for me.
bye
With Regards
Sadequzzaman Monoj
Bangladesh

SDF files are used by Microsoft SQL Server Compact Edition. SQL CE is not supported for Windows Store Apps/Universal Apps. Only WP Silverlight Apps can use SQL CE. You will have to switch to a different database format.
As far as I know the only DB currently supported for local deployment with Windows Store Apps is SQLite.
This article gives an introduction on how to get started with SQLite in Universal Apps:
http://blog.tpcware.com/2014/04/universal-app-with-sqlite-part-1/

How to use .sdf database in a windows store apps

Hi,
I am new in windows store app development. I have been working in WPF application development for long time. Now I want develop windows store apps. I am studying on it. I got a problem. I what to store data from windows store app in .sdf database file. I
confused is .sdf database is compatible with windows store apps.
I want Deploy the apps in windows apps store. Is .sdf database support in client machine while he download it and run his own machine.
Please Suggest me about it with sample reference. It will be very helpful for me.
bye
With Regards
Sadequzzaman Monoj
Bangladesh

SDF files are used by Microsoft SQL Server Compact Edition. SQL CE is not supported for Windows Store Apps/Universal Apps. Only WP Silverlight Apps can use SQL CE. You will have to switch to a different database format.
As far as I know the only DB currently supported for local deployment with Windows Store Apps is SQLite.
This article gives an introduction on how to get started with SQLite in Universal Apps:
http://blog.tpcware.com/2014/04/universal-app-with-sqlite-part-1/

Convert Below Java code equivalent to c# windows store app.

Hi
please help me " To convert Below Java code equivalent to c# windows store app."
private String SecretKey = "enctsbqrm6hxyjfa";
    public byte[] encrypt(String text) throws Exception
       if(text == null || text.length() == 0)
            throw new Exception("Empty string");
       // convert key to bytes
       byte[] keyBytes = SecretKey.getBytes("UTF-8");
       // Use the first 16 bytes (or even less if key is shorter)
       byte[] keyBytes16 = new byte[16];
       System.arraycopy(keyBytes, 0, keyBytes16, 0, Math.min(keyBytes.length, 16));
       // convert plain text to bytes
       byte[] plainBytes = text.getBytes("UTF-8");
       // setup cipher
       SecretKeySpec skeySpec = new SecretKeySpec(keyBytes16, "AES");
       Cipher cipher = Cipher.getInstance("AES/ECB/PKCS7Padding");
       //byte[] iv = new byte[16]; // initialization vector with all 0
       cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
       // encrypt
       byte[] encrypted = cipher.doFinal(plainBytes);
       return encrypted;
Thanks
Nitin

Hello Nitin,
Your current requirement is beyond the scope of our support for this fourm which is used to Discuss and ask questions about .NET Framework Base Classes (BCL) such as Collections, I/O, Regigistry, Globalization, Reflection.
If you want to know how to encrypt/decrypt in windows store app, I suggest that you could post a it to:
https://social.msdn.microsoft.com/Forums/windowsapps/en-US/home?forum=winappswithcsharp
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Trigger Windows Store Apps update by script at first login

Hi
Is it possible to trigger Windows 8.1 to check for Windows Store Apps updates at first login?
My issue is that when I add language packs to my Windows 8.1 images, the default apps (Mail, Calendar, Food and Drinks) are still in English. Not until the Windows Store apps are updated will they change to the correct language (Language of the
OS). I have turned on autodownload in the registry using this registry key:
REG ADD "HKLM\Software\Microsoft\Windows\CurrentVersion\WindowsStore\WindowsUpdate" /v "AutoDownload" /t REG_DWORD /d 4 /f
It seems kind of random how long it takes before the autodownload kicks in. Some times it just a reboot and other times it takes like 24 hours. Can I trigger this update to start with some kind of script?
Thomas | MCP | http://www.techwork.dk

I'd probably stick with the TechNet side:
https://social.technet.microsoft.com/Forums/en-us/home?category=w8itpro&filter=alltypes&sort=lastpostdesc
Don't retire TechNet! -
(Don't give up yet - 13,225+ strong and growing)

How to display the PPT, PDF, XL, DOC files with in the Windows store app?

Hi,
I would like to display the PPT, PDF, XL, DOC files with in the Windows store app? is there any controls provided by Microsoft to view these files with in the app?
Or
Any workaround to achieve the desired functionality?
Kindly provide your inputs if any one has.
Regards
Prasad

Hi Prasad,
As I know currently there is no in-build functionality to display the PPT, XLS or DOC file directly on the Windows Store App, but you can always open these files by
Launcher class
However a good news is we can display PDF on Windows Store App by
Windows.Data.Pdf class, see this for more information:
https://code.msdn.microsoft.com/windowsapps/PDF-viewer-showcase-sample-39ced1e8/
--James
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
Click
HERE to participate the survey.

Image file can't be opened by windows store app if the file is in the Ext4's external hard disk.

My question is described below:
I have two disks, external hard disk and removable disk. They are formatted with EXT4.
I put the same image in the disks, and use Ext2Fsd to mount the disks.
I open the file in win8, and it will default open by the windows store app : photos.
It will be success to open if the file is in the Ext4's removable disk.
It will be failed to open if the file is in the Ext4's external hard disk.
I don't know why it will be failed to open if the file is in the Ext4's external hard disk.
Does anyone have similar experiences?

Hi hatasum,
Thanks for posting!
Base on my experience, if installed Ext2Fsd, we can read the ext4 file system on windows system. But Which version of Ext2Fsd did you use? From my experience, Ext2Fsd is not spported fine about windows 8 version. Please refer to this software official
website (http://www.ext2fsd.com/ ) . I suggest you could post this issue to the Ext2Fsd discussion forum ( such as
http://sourceforge.net/p/ext2fsd/discussion/143329/thread/7f262ad0/ )for better help.
Thanks for your understanding.
Regards,
Will
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
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Tabbed page in a Windows Store App

I am creating a Windows 8.1 app (Windows Store App) and I need to have a tab-based page in this app. As an example, for adding a new contact, I need to group the new contact details in tabs which can be switched from the left side
menu items.
I tried to use a FlipView for this purpose but I don't want the users to be able to switch between pages by flipping. I want to create a page similar to
[Add a recipe] page in Microsoft Food & Drink app.
How can I do this?

You can create a Page that contains a
Frame and switch out the frame as each menu item is clicked.
Matt Small - Microsoft Escalation Engineer - Forum Moderator
If my reply answers your question, please mark this post as answered.
NOTE: If I ask for code, please provide something that I can drop directly into a project and run (including XAML), or an actual application project. I'm trying to help a lot of people, so I don't have time to figure out weird snippets with undefined
objects and unknown namespaces.

System.ExecutionEngineException in a Windows Store App? - Why?

Hoping for some help from the powers that be or other resident experts, as I think this is one tricky problem.
I'm getting some seemingly random System.ExecutionEngineException events in my Windows Store app. Even though the error message itself is less than useless, when enabling native code debugging there does seem to be a connection to the use of streams and
possibly thread blocking. The call stack almost always contains a reference to SHCreateStreamOnFileW or similar stream-related functions (although that particular call is unsupported in WinRT, I'm assuming the kernel is calling it under the hood; I certainly
am not). In my own code, I do indeed utilize CreateStreamOverRandomAccessStream though so there's an obvious possible connection there.
I cut back on what was probably overly conservative use of EnterCriticalSection calls and that seems to have eliminated *almost* - but not all - of these insidious errors. Therefore I'm wondering if there's a connection between these errors and possible
thread blocking or competing locks? They also definitely seem to occur only when disk access is sluggish. So again, I'm thinking some issue with thread blocking while waiting for the disk. But just a guess.
What's particularly confusing is that the docs say this exception is obsolete, so I don't understand why I'd be getting it in a Windows store app.
Any insight would be appreciated!
Thanks,
Peter

You know what? I was just telling one of my testers today that I've only ever had an issue on my one laptop and no other machines. And he's never experienced it. (Outside the dev environment if just manifests as a random app crash and he hasn't reported
anything like that). Thing is the laptop is basically fine otherwise. Certainly no random app crashes except my own app. A few other data points. It only manifests in release mode so far. I've never seen it in debug mode. (Maybe code optimization could be
contributing?) I am using a fair amount of C#/C++ interop and a lot of multithreadimg. When the crashes do occur they are always when the app is doing things that use the C++ modules and specifically they utilize COM streams (which I implement
in C# to wrap .net streams) and synchronous disk read ops. IStream specifically. But the modules are always called from worker threads. They never block the UI thread. So that shouldn't be the issue. Even if it is my environment there should be a graceful
way to handle the error. As I said other apps don't just crash. Trying to think of what other relevant information I can give without getting into gory and irrelevant detail. Again any other insights appreciated. I'll try to grab a stack history next time
it happens (I have to be in native mode debugging to get any useful info). that will reveal more. Thanks so much. Peter

Reading electronic identity cards in a windows store app project

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