MSDN: Build apps that target Windows and Windows Phone 8.1 by using Visual Studio

This is a post from MSDN for the new Universal apps for Windows 8.1 and Windows Phone 8.1. Get the latest resources from http://dev.windows.com You can build an app for Windows and Windows Phone 8.1 at the same time, and share code, user controls, styles, strings and other assets between them. This reduces the expense … Continue reading MSDN: Build apps that target Windows and Windows Phone 8.1 by using Visual Studio

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Windows 8.1 says, “Forget all that Design Stuff from Windows 8.0”

WHAT DESIGNERS HAD BETTER KNOW ABOUT WINDOWS 8.1 Let’s be perfectly clear, the Windows Design Guidelines in Windows 8.1 are, at a high-level, identical to those in Windows 8.0. However, in their practical and tactical guidance they are so different, that idyllic Windows 8.1 apps would potentially fail Windows 8.0 Store Certification. These guidelines, now … Continue reading Windows 8.1 says, “Forget all that Design Stuff from Windows 8.0”

Callisto Controls: Using Flyout in XAML

Flyout is a general purpose concept/control to give you a content control for the 'popup' behavior including light dismiss and positioning in accordance with Windows UI guidelines. This control is likely primarily going to be used from some type of event handler from an AppBar button to accept input.  It is not meant to be a … Continue reading Callisto Controls: Using Flyout in XAML

Json.NET 5.0 with .NET 4.5, BigInteger, Read-Only Collections and more

New and Updated Libraries In Json.NET 5.0 there are a bunch of library version changes: Added .NET 4.5 library Added portable library targeting .NET 4.5 + WP8 + Win8 Removed the Silverlight library. Removed the Windows Phone library Upgrading library versions allows Json.NET to support new .NET features such as dynamic and async across more … Continue reading Json.NET 5.0 with .NET 4.5, BigInteger, Read-Only Collections and more

Windows 8 Store Apps: Class Library vs. Windows Runtime Component

When I saw the new project dialog for Windows Store Apps or Windows 8 Apps, I had a problem. What is the difference between a Class Library project vs. Windows Runtime Component project. Even the description within Visual Studio was not that clear: Class Library A project that creates a managed class library for Windows Store … Continue reading Windows 8 Store Apps: Class Library vs. Windows Runtime Component

Element not found on BackgroundExecutionManager.RequestAccessAsync()

If your building a Windows store app with live tiles, you may have face this issue: Element not found. (Exception from HRESULT: 0x8002802B (TYPE_E_ELEMENTNOTFOUND)) If you have, this is an issue with breakpoints and the user already accepting the lock screen access. If you had a breakpoint on a line of code ABOVE that call in … Continue reading Element not found on BackgroundExecutionManager.RequestAccessAsync()