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Showing posts with label Windows 8. Show all posts
Showing posts with label Windows 8. Show all posts

Thursday, September 6, 2012

Windows 8: Scheduled Tasks & the Lock Screen

Some developers need to run code when apps are not running. For this, there is the background task. These are periodic and have constrained CPU and Network usage.

There are two types of background tasks: standard and lock screen tasks. There can be only 7 lock screen tasks, and the key difference is the constraint thresholds.

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Intermediate,Advanced,Computer Tips and Tricks,Computer Tutorials,Windows 8

Thursday, August 30, 2012

HOWTO: SQLite with Windows 8 apps

I've previously posted a few things about SQLite including a HOWTO on how to build from their source code. If you still want to build your own DLL from their source code that is totally fine, but not necessary in most every single case I've seen in app usage. One of the challenges I noted is that since SQLite is a native component and if you are a managed (.NET) app you can't be architecture neutral anymore (AnyCPU). What this means is that you have to build your app for each architecture you want to support: x86, x64 and ARM. The flow of this using SQLite3.dll was that you would have to package, change the DLL, re-package.

Not anymore.

In working with the great folks on the SQLite team, they've packaged the binaries up (for Windows 8 apps) in a nice installer using the Extension SDK format. What this means is you now add a 'reference' to the SQLite binary and based on the architecture being built for your package, it will pull in the right DLL without you having to manage that yourself. Here's some step-by-step.

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C#,.NET,Architect,Intermediate,Advanced,VS2010,.Net,Articles,Database,SQLite,Windows 8

Monday, August 27, 2012

Windows 8 & Data Binding. Part 4–Data Conversion

In Part 3 of this little mini-series on data binding in Windows 8 we looked at Element Binding. Today, we'll take a look at Data Conversion.

At times the data in your business object (the source for your binding) and the target UIElement may not have an exact type match. For example, if your Employee class wants to keep track of the start date for each Employee, a sensible way to do so is with a DateTime object. However, when we display that data we'll want to use a Text object, and we may not want the entire default conversion of a DateTime to a string. To rectify this problem, we can create a class that performs a conversion from one type to another (in this case, from DateTime to string). This class will implement IValueConverter and will have two methods: Convert, and ConvertBack.

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C#,.NET,Visual Studio,Window Phone Tutorials,Windows 8,WP7,WP8,WPF,XAML,Data Binding,Data Conversion

Telerik Loves Windows 8 and Visual Studio 2012 RTMs!

Yesterday's release of Visual Studio 2012 and Blend for Visual Studio 2012 marks the beginning of a new era. In some ways, VS2012 and Blend are incremental releases, adding even better support for building enterprise and consumer apps and services for the desktop and the web. However, in one very important way, the release of VS2012 and Blend, together with the release of Windows 8 earlier this month, signals a whole new focus for the platform - that of touch-centric tablets - and with it, a whole new way to package and distribute apps for the Windows operating system - the Windows Store.

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.NET,Computer Tutorials,Visual Studio, Visual Studio 2012,Window,Windows 8,Telerik

First Look at Telerik RadNumericBox for Windows 8–HTML

Hello and welcome to the second part of our "Getting Started" with Telerik's Windows 8 UI Controls. In this post, we are going to specifically target Windows 8 Applications built using HTM5/JS/CSS3 and our new control suite. We are going to look at RadNumericBox and the various ways of adding it to a page, binding the control declarative and even wiring up event handlers. Let's get started.

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C#,.NET,Computer Tutorials,Window,Window Phone Tutorials,Windows 8,WP7,WP8,WPF,XAML,Telerik,RadControls,RadNumericBox,HTML

Creating a Bar Chart with RadCartesianChart, part of Telerik Windows 8 UI Controls

In an earlier blog post I reviewed how to create a line chart using RadChart for RadBarChartMetro. In this blog post I will review how to create a bar chart, and no doubt you will notice some striking similarities.

All of this is done with the Telerik Windows 8 UI Controls.

We'll begin with the data. Our bar chart will compare revenues for five stores.


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C#,.NET,Computer Tutorials,Windows 8,RadControls,Telerik,RadCartesianChart

How to Fix Windows 8 RTM Activation Issue?

After installing Windows 8 RTM, I was facing an issue that says "Windows can't activate right now. Try activating Windows later". I tried it multiple times but couldn't figure out what was the actual issue here. Later @LBugnion shared me the trick to resolve this issue which I am going to share here in my blog, so that you can find it useful. After installing Windows 8 RTM, you may probably face an issue while activating your Windows OS which will say the following: Windows can't activate right now. Try activating Windows later. If this issue persists, contact your system administrator or technical support department for assistance. If you are one of them, no need to worry. Just follow the below mentioned steps: Open "Command Prompt" under Administrative Privileges. Enter the following in the Console Window: slmgr.vbs -ipk [PRODUCT_KEY] and then hit enter. Replace "[PRODUCT_KEY]" with your genuine Windows 8 Product Key that you received. Once you are done with the...


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Architect,Computer Tips and Tricks,Computer Tutorials,Window,Windows 8

Thursday, August 2, 2012

Windows 8 Released to Manufacturing (RTM)

Microsoft announced that, today they released the new Windows 8 operating system to the Windows 8 OEM and manufacturing partners. Side-by-side they also announced the general availability of Windows Store today for the MSDN Subscribers.   This is the first step towards the general availability of Windows 8 to the consumer and everyone is now looking for the date (26th October 2012) when it will be available for general public.     Today in a blog post "Releasing Windows 8", Steven Sinofsky announced that, today (1st August 2012) they released the new operating system to the Windows 8 OEM and manufacturing partners. According to the blog announcement:   Today marks an important milestone in the Windows 8 project. The Windows 8 team is proud to share with you that a short while ago we started releasing Windows 8 to PC OEM and manufacturing partners. This means our next milestone will be the availability of exciting new models of PCs loaded with...


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Window,Windows 8,Downloads,News

Tuesday, July 31, 2012

8 Great WP8 Features We Now Know

Windows Phone 7 was Microsoft's closely guarded secret; Windows Phone 8, however, has been the least guarded one. A while back, a video for hardware partners showed Joe Belfiore talking about some of the upcoming features; last week, the SDK leaked. The software development kit for WP8 has been a treasure trove for enthusiasts and everyone have been going through documents to unearth new features.

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Computer Tips and Tricks,Computer Tutorials,Window,Windows 8

Windows 8 Metro: Add settings to your application

Almost every application you write needs to expose an user interface that let the user change the configuration. In common desktop applications these settings go under a preferences section, usually available from a menu item, but for sure it is not true for all the applications, so every time you install a new software you have to rely on a manual and search a place where this configuration has been placed.

As for other features, in metro-style application this now goes under a very strict guideline checked as a strong requirement by the certification team. One thing you need to be aware is that the settings contract is used not only to expose user preferences but also is a place where you have to move your licensing terms, about and other things that are not exactly settings, in the common feel of the term.

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Computer Tips and Tricks,Computer TutorialsmWindow,Windows 8

Saturday, July 21, 2012

WP Button Default Style

Just a quick tip of getting the Button default Style.

NOTE: This article assumes that have installed Expression Blend. You can also take a look at this post: Choose the right tool for Windows Phone Control Styling: Visual Studio vs Expression Blend

Getting Started

Step1. To begin with lets first create a new Windows Phone application project in Expression Blend.

Step2. Go to the Assets tab and drag a Button element into the design surface.

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C#,.NET,Intermediate,Advanced,VS2010,Mobile Development Tutorials,Mobile Developments,Window Phone Tutorials,Windows 8,WP7,WP8,WPF,XAML,XML

Custom Styles and Templates in WP: Intro

A Style is basically a collection of property settings applied to multiple instances of the same type. Style mechanism in Silverlight for Windows Phone allows us to encapsulate control property values as a reusable resource.We can store Styles in separate files from our page or we can place them in the Resources section of the page. In addition to defining basic property settings (Color, Font, Size, Margins, etc), styles in Silverlight can also be used to define and re-use ControlTemplates.

This is the first post, so I am going to give a brief explanation of what you should know about Styles and Templates before getting started.

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C#,.NET,Intermediate,Advanced,VS2010,Mobile Development Tutorials,Mobile Developments,Window Phone Tutorials,Windows 8,WP7,WP8,WPF,XAML,XML

Custom Styles and Templates in WP: Button

This is the second article from the "Custom Styles and Templates in Windows Phone" series of tips focused on how to customize the default Templates and Styles of different Windows Phone UI controls.

The first thing we need to do before customizing the Style of the button is to understand its structure and the most important elements. To get the Default Style of the Windows Phone Button just follow this tutorial: Windows Phone Button Default Style

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C#,.NET,Intermediate,Advanced,VS2010,Mobile Development Tutorials,Mobile Developments,Window Phone Tutorials,Windows 8,WP7,WP8,WPF,XAML,XML

Exploring Win8 Metro: The RichEditBox & FilePickers

Win8 provides a number of controls in the XAML toolkit that are easy to use RichEdit-File Pickerand that provide a great deal of flexibility and power. I'll be writing about some of these controls now and then, starting with some simple and easy to use controls that do a lot of work for you.

The RichEdit box allows the user to open and view and edit a Rich Text document. Rich Text refers to all the text attributes you associate with a word processor but not with a text editor (e.g., bold, color, etc.). The RichEditBox control handles all the work of understanding and presenting the rich text.

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Architect,Intermediate,Advanced,Metro Style Applications, Microsoft, Window, Windows 8

You are the controller – a step in to WP7 -> Win8 networking

I couldn't resist, I should be working on my Windows 8 Port of Flipped (which seems to be going swimmingly) and finishing of some other projects but glamour got the better of me as I rolled out of the covers and here we are.

One of my age old dreams with game development (even prior to XNA) was to be able to pick up my mobile device and use it as an alternate display or additional controller, at the time it was my trusty Windows Mobile PPC, times have evolved but my vision is still fresh.

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Architect,Intermediate,Advanced,VS2010,Computer Tips and Tricks,Computer Tutorials,Metro Style Applications,Microsoft,Mobile Development Tutorials,Mobile Developments,Window,Window Phone Tutorials,Windows 8,WP7,WP8,WPF,Networking

Thursday, July 19, 2012

Layout and Composition in WP – Part II

In this video we cover the basics of designing tiles. Tiles are used in Windows Phone and can (when it makes sense) be used inside of apps too. A general guideline is, if all you are going to have inside of a tile is text then do not create a tile but a list. We'll talk more about lists in upcoming videos.

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C#,.NET,Intermediate,Advanced,VS2010,Mobile Development Tutorials,Mobile Developments,Visual Studio,Window Phone Tutorials,Windows 8,WP7,WP8,WPF,XAML

Tuesday, July 17, 2012

8 New Platform Features Coming to WP8

Did you miss the Windows Phone 8 Summit? The phone team announced a number of platform features that are coming to Windows Phone 8 when launched later this year that are based from a new Shared Windows Core between Windows 8 and Windows Phone 8. Below is a recap of the session delivered by Joe Belfiore, Windows Phone Engineering Director, that provides a great technical overview of the features coming to a Windows Phone 8 near you!

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Intermediate,Advanced,VS2010,Articles,Computer Tips and Tricks,Computer Tutorials,Metro Style Applications,Microsoft,Operating Systems,Visual Studio,Window,Window Phone Tutorials,Windows 8,WP7,WP8

Positioning Popup Menus in Windows 8 Metro

Often when building Windows 8 apps you'll want to provide a menu of options from the app bar, this may be a list of different ways to sort or filter the data. For these simple menus WinRT provides the PopupMenu control (for more complicated popup user interfaces I recommend the Flyout control from the Callisto library), these menus are very easy to create by creating UI Commands and appending them to the menus Commands collection.

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C#,.NET,Intermediate,Advanced,Articles,Computer Tips and Tricks,Computer Tutorials,Metro Style Applications,Microsoft,Operating Systems,Programming Tutorials,Window,Windows 8

Tuesday, July 3, 2012

Microsoft explains why it killed the Windows 8 Start button

Microsoft removed the Start button from Windows 8's Consumer Preview version earlier this year, generating a lot of discussion and mixed reaction over a user interface element that was first introduced in Windows over 15 years ago. In an interview with PC Pro, the company has revealed that telemetry data was a big part of the decision to scrap the Start button and traditional Start menu in Windows 8.

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Thursday, June 28, 2012

Windows 8 Apps – Keeping it Simple

We have all been is situations where we have seen code implemented in an unnecessarily complex way or where the number of features in an app has gotten out of control. I like to think that the use of "KISS" ("Keep it simple – stupid") is one of the main stays of all the projects that I am involved in (!). However, I have seen my first Windows 8 project evolve from being simple (or so I thought) to being simple ("no, but really this time"). And I have to conclude that there is an algorithm in play that doesn't always get the acknowledgement it deserves. In short I am talking about the relationship between "time and complexity". Most people might understand that the more complex something is the more time is required for implementation. However, in my experience often times the opposite is true and time can be the (often missing) crucial factor in harnessing and reigning in an otherwise complex application.

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