Windows Store Developer Solutions

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  • Blog Post: Why can’t I create an app package? Windows Phone Xap vs. Appx

    Differences between Windows Phone Silverlight apps and Windows Phone Store apps are a recurring source of confusion for Windows Phone developers. A frequently asked question on the Windows Phone forums is “Why can’t I create an app package? When I go to the store menu it has only a ‘Launch...
  • Blog Post: Programmatically create and configure a Client Certificate for use in your Windows Runtime based app

    Often there is a need in your Windows Store app (including Windows Phone 8.1) to access resources (such as a WebServer) which requires Client certificate authentication. You typically use the Windows.Web.Http.HttpClient class to send a HTTPs request to your WebServer and attach a Client Certificate...
  • Blog Post: A Primer on WebView.NavigateToLocalStreamUri

    Scenario A forum post recently asked about navigating to a page that that contains images that are accessed using the ms-appdata:/// URL protocol. His problem was that he'd placed images in his application's local folder and wanted to use WebView.NavigateToString to show some dynamically-generated...
  • Blog Post: Constraining manipulations

    Touch screens are cool. Being able to drag and manipulate pictures and objects on the screen is fun, and the Xaml manipulation system makes it easy to drag and zoom controls by touch. Touch down, zip your finger across the screen, and watch the control slide away. But what if we want to apply more...
  • Blog Post: Including Self-Signed Certificates with your Windows Runtime based Windows Phone 8.1 apps

    The concept of Universal apps lets you share common code targeting the Windows Runtime between a Windows Store app and a Windows Phone 8.1 app. However there are still some areas where there isn’t a 1:1 mapping. When using self-signed certificates with your Windows Runtime based Windows Phone 8...
  • Blog Post: Frame of reference: keeping the music playing across pages

    A musical score is a great way to add zip to your app, but many people are stumped because the Xaml MediaElement will play music only when it’s in the visual tree. When the user navigates to a new page the music stops. This brings up the frequent question: How can I keep the music playing when...
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