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Questions tagged [windows-phone-7]

Windows Phone is Microsoft's, now deprecated, mobile operating system and software development platform. Use this tag for questions specific to Version 7.x

Windows Phone is a mobile operating system developed by Microsoft, and is the successor to its Windows Mobile platform. Supported platforms for building applications for Windows Phone include Microsoft Silverlight for traditional applications and Microsoft XNA for games. This platform is no longer supported by Microsoft and should be considered obsolete.

Development on the Windows Phone platform is only supported in managed languages, using either Silverlight or XNA. With the 7.1 SDK update, Silverlight applications can be integrated with XNA.

Windows Phone 7 featured a new user interface, based upon Microsoft's Windows Phone design system, codenamed and commonly referred to as Modern UI (previous name was Metro). The home screen, called the "Start screen", is made up of "Live Tiles", which have been the inspiration for the Windows 8 live tiles.

NOTE: With the 7.1 SDK, the ID_CAP_INTEROPSERVICES capability was removed, rendering third-party support for COM interop unusable. The native (unmanaged) layer is currently only available to OEMs.

External Resources

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WP7 : Change the visibility of an item in a selected listbox item

I've got a listbox with the following data template defined: …
Rob
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Binding to an MVVM Light relay command inside of a Windows Phone 7 item data template

I'm attempting to bind a button to a viewmodel command using MVVM Light commands, and for some reason the command doesn't seem to be getting called. Normally I don't have any issues using commands, but this one seems to be ignoring the binding.…
Josh Earl
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How do I get the exact scroll position in an Listbox?

I would like to be able to load more data into a listbox when I reach the begining or the end of the listbox. My listbox shows items that are time related therefor when I reach the top and pull down I would like to see some text like "Scroll down…
Jimmy Engtröm
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How do you refresh your ViewModel when navigating back using MVVM

When navigating back using the back button on the phone how can I refresh my ViewModel? I'm using the back button on the phone but I believe its the same as calling NavigationService.GoBack(), which navigates to the previous page on the stack but…
Tyler
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Updating ObservableCollection Item properties using INotifyPropertyChanged

Checking to make sure my assumptions are correct. I have an ObservableCollection class. I am calling a web service and retrieving an array of Devices. I am then enumerating the ObservableCollection and setting each item to the corresponding device…
Omar Shahine
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How to share files created by an app?

How do I share files (music, video, image) create by my app? I am interested in sharing audio file specifically. Imagine I have a program that generates wav file. How do I take it from isolated storage? Is it possible to sent an attachment with…
Evgeny Vinnik
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How does Silverlight programming on the Window Phone 7 differ from browser plugin?

I was talking to another developer recently and we started to discuss Window Phone 7 development. Their thoughts, from what they had heard (i.e no hands on knowledge) was it was really just Silverlight development. My reaction was that I see a lot…
Gern Blanston
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Speech to Text in windows phone 7

Is there any API that could convert speech to text offline in Windows Phone 7? Thanks
Jayesh
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Send data from WP7 phone to PC via USB cable

I’d be interested in show data from wp7 sensors on a PC screen. Is it possible to send data back to the PC via the USB cable?
Robert
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Windows Phone 7 : Control the phone from the computer

It seems that in every demo I see of developing for the Windows Phone 7 platform, they show the device screen on the computer screen. What do they use to do that ? While developing, I would like ton control my device from my computer... and using…
PBelanger
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Problem opening JPEG from Isolated Storage on Windows Phone 7

Scenario App opens Checks to see if image for background exists in Isolated Storage If not, downloads from web, and saves it to Isolated Storage Loads the image from Isolated Storage and sets it as Background on a Panorama-control Problem The…
Yngve B-Nilsen
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long text cropped in textblock

I've a problem. I've a textblock and my text is cropped. It seems to appear only when the text is too long cause when the text is shorter, there is no problem. So there is my code : …
Skilpit
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Best way to implement a wizard style UI in WP7

I'm porting a windows forms program to run on Windows Phone 7. Part of the windows program is a wizard style series of steps with Next and Prev buttons along with Save and Cancel. The screens are generates from metadata stored in a database. Some…
Steve Chadbourne
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Trouble in Visual Studio 2010, changing resources is setting the constructor to internal

I am experiencing some weird behavior of Visual Studio 2010 when developing Silverlight applications and using project resources (.resx) Everytime I change a resource it sets itself to internal instead of public in the code behind, altough I can see…
Rumplin
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How to catch FacebookApiExceptions when using FacebookApp.ApiAsync in WP7?

I'm currently using Facebook C# SDK v4.2.1 and I'm trying to post something onto the user wall. It worked fine until I got an FacebookOAuthException (OAuthException) Error validating access token. error and I can't catch that exception and it…
Buju
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