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Using The GeoCoordinateReactiveService

Having created an Rx wrapper over the GeoCoordinateWatcher on a previous post , in this post I’ll demonstrate how it can be used in a simple application. The application will display the status of the service, the position and the distance traveled. For this simple application the service will...

Posted to Paulo Morgado by Paulo Morgado on Sun, Jan 20 2013
Filed under: Filed under: WindowsPhone, CodeProject, WindowsPhone7, Rx, WindowsPhone8
Implementing The GeoCoordinateWatcher As A Reactive Service

With Rx , events are first class citizens that can be passed around and composed as needed in a very simple way. “ The Reactive Extensions (Rx) is a library for composing asynchronous and event-based programs using observable sequences and LINQ-style query operators. Using Rx, developers represent...

Posted to Paulo Morgado by Paulo Morgado on Tue, Jan 1 2013
Filed under: Filed under: WindowsPhone, CodeProject, WindowsPhone7, Rx, WindowsPhone8
A Synchronization Context Based On The TPL Dataflow Library

The purpose of the synchronization model implemented by the SynchronizationContext class is to allow the asynchronous/synchronization operations of the common language runtime to behave properly with different synchronization models. This model also simplifies some of the requirements that managed applications...

Posted to Paulo Morgado by Paulo Morgado on Mon, Oct 8 2012
Filed under: Filed under: CodeProject, async, TPL, TplDataflow
C# 5.0 Async/Await Demo Code

I’ve published the sample code I use to demonstrate the use of async / await in C# 5.0. You can find it here . Projects PauloMorgado.AyncDemo.WebServer This project is a simple web server implemented as a console application using Microsoft ASP.NET Web API self hosting and serves an image (with a delay...

Posted to Paulo Morgado by Paulo Morgado on Sun, Oct 7 2012
Filed under: Filed under: .NET, WinForms, ASP.NET, C#, WPF, CodeProject, async, .NET4.5, C#5.0, ASP.NET Web API
Breaking Changes In Argument List Evaluation In C# 5.0

The C# Language Specification states on §7.5.1.2 that “(…) the expressions or variable references of an argument list are evaluated in order, from left to right (…)”. So, when this code is compiled with the C# 4.0 compiler: static void M( int x = 10, int y = 20, int z = 30) { Console .WriteLine( "x...

Posted to Paulo Morgado by Paulo Morgado on Tue, Jul 17 2012
Filed under: Filed under: .NET, C#, VisualStudio, VisualStudio2010, .NET4.0, CodeProject, C#4.0, .NET4.5, VisualStudio2012, C#5.0
How To: Make XAML Content Globalizable When Using Value Converters

(This content was written based on Silverlight for Windows Phone , but might be valid for generic Silverlight .) There are a many articles on MSDN (and all over the Internet) about globalization and localization of Silverlight applications in general and specifically Windows Phone 7 applications but...

Posted to Paulo Morgado by Paulo Morgado on Sun, Jul 8 2012
Filed under: Filed under: Silverlight, WindowsPhone, CodeProject, Globalization, Localization, WindowsPhone7, XAML
Testing for Continuous Delivery with Visual Studio 2012 RC

Microsoft Patterns & Practices has released a book with guidance on Testing for Continuous Delivery with Visual Studio 2012 RC . The book and its content can be found both in the MSDN site and the CodePlex site . I’m deeply honored to have been part of the review panels.

Posted to Paulo Morgado by Paulo Morgado on Tue, Jun 19 2012
Filed under: Filed under: MSDN, VisualStudio, PnP, CodePlex, CodeProject, VisualStudio2012, TFS
Hash Function Added To The PredicateEqualityComparer

Sometime ago I wrote a predicate equality comparer to be used with LINQ ’s Distinct operator. The Distinct operator uses an instance of an internal Set class to maintain the collection of distinct elements in the source collection which in turn checks the hash code of each element (by calling the GetHashCode...

Posted to Paulo Morgado by Paulo Morgado on Wed, Jun 13 2012
Filed under: Filed under: .NET, LINQ, CodePlex, .NET4.0, CodeProject
WCF HTTP User Agent Message Adapter On GitHub And Nuget

Some time ago, I wrote about building an HTTP user agent message adapter for WCF . Now, Henk J MeuleKamp ( @hjmeulekamp ) has published the code on GitHub ( Wcf Useragent C# Library ) and a usable library on Nuget ( Message Inspector for WCF to add Useragent header by configuration ). My thanks to Henk...

Posted to Paulo Morgado by Paulo Morgado on Sun, Jun 10 2012
Filed under: Filed under: WCF, CodeProject, GitHub, Nuget
Globalization, Localization And Why My Application Stopped Launching

When I was localizing a Windows Phone application I was developing, I set the argument on the constructor of the AssemblyCultureAttribute for the neutral culture ( en-US in this particular case) for my application. As it was late at night (or early in the dawn ) I went to sleep and, on the next day,...

Posted to Paulo Morgado by Paulo Morgado on Mon, May 28 2012
Filed under: Filed under: .NET, WindowsPhone, CodeProject, Globalization, Localization, WindowsPhone7
Announcing The Microsoft Roslyn CTP

The Roslyn team has announced general availability of the Roslyn CTP ! The official launch is at http://msdn.com/roslyn , and there were a number of blogs to publicize the availability broadly ( soma , ericli , vsteam , vbteam , c#faq ) and across twitter. This release marks a significant step to the...

Posted to Paulo Morgado by Paulo Morgado on Wed, Oct 19 2011
Filed under: Filed under: .NET, C#, VisualStudio, VisualBasic, CodeProject, Roslyn
What Is The .NET Framework 4.5?

According to the .NET Blog , .NET Framework 4.5 is an in-place update that replaces .NET Framework 4.0 (rather than a side-by-side installation). The goal is for .NET 4.5 to be fully backward compatible with applications built for .NET 4.0 (.NET 3.5 and .NET 4.5 will be side-by-side). One of the first...

Posted to Paulo Morgado by Paulo Morgado on Sun, Oct 16 2011
Filed under: Filed under: .NET, .NET4.0, CodeProject, async, .NET4.5
Internet Explorer 10 User Agent Strings On Windows 8 64bit

Internet Explorer 10 is the web browser Microsoft is delivering with Windows 8 . According to its different usages and modes, its user agent string is as follows: Application Environment 32/64 bit User Agent String Internet Explorer Metro - Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64;...

Posted to Paulo Morgado by Paulo Morgado on Mon, Oct 10 2011
Filed under: Filed under: Web, InternetExplorer, Windows, CodeProject, Windows8, InternetExplorer10, WinRT
Cleaning HTML With Regular Expressions

While participating in a forum discussion, the need to clean up HTML from "dangerous" constructs came up. In the present case it was needed to remove SCRIPT , OBJECT , APPLET , EMBBED , FRAMESET , IFRAME , FORM , INPUT , BUTTON and TEXTAREA elements (as far as I can think of) from the HTML...

Posted to Paulo Morgado by Paulo Morgado on Sun, Sep 4 2011
Filed under: Filed under: .NET, HTML, CodeProject, Regex
Things to take into account when you deliver applications for Connected Devices – Windows Azure to the rescue (EN)

Currently one very important space is the development of Applications for Connected Devices like Windows Phones, Windows Slates and so on. One important elements is that we are currently going more and more to Wireless, and so it’s important to understand the current state of the art on Wireless. According...

Posted to Nuno Filipe Godinho by NunoGodinho on Thu, Jun 16 2011
Filed under: Filed under: Architecture, Patterns, .NET 4.0, Cloud Computing, Windows Azure, Windows Azure Service Platform, ADO.NET Data Services, .NET Services, RIA Services, SQL Azure, RIA, Windows Phone 7, Performance, Windows Azure Storage, Caching, CodeProject
Creating Property Set Expression Trees In A Developer Friendly Way

In a previous post I showed how to create expression trees to set properties on an object. The way I did it was not very developer friendly. It involved explicitly creating the necessary expressions because the compiler won’t generate expression trees with property or field set expressions. Recently...

Posted to Paulo Morgado by Paulo Morgado on Tue, Jan 11 2011
Filed under: Filed under: .NET, C#, LINQ, .NET4.0, CodeProject, C#4.0, ExpressionTrees
LINQ: Implementing The SkipLastWhile Operator

Following my last posts ( > )( > ), in this post I’ll introduce the implementation of the SkipLastWhile operator. The SkipLastWhile returns all but the last contiguous elements from a a sequence that satisfy the specified criteria and is implemented as the SkipLastWhile extension methods : public...

Posted to Paulo Morgado by Paulo Morgado on Tue, Oct 19 2010
Filed under: Filed under: .NET, C#, LINQ, CodePlex, .NET4.0, CodeProject, C#4.0, C#3.0
LINQ: Implementing The SkipLast Operator

Following my last post , in this post I’ll introduce the implementation of the SkipLast operator. The SkipLast operator returns all but a specified number of contiguous elements from the end of a sequence and is implemented as the SkipLast extension method : public static IEnumerable <TSource>...

Posted to Paulo Morgado by Paulo Morgado on Tue, Oct 19 2010
Filed under: Filed under: .NET, C#, LINQ, CodePlex, .NET4.0, CodeProject, C#4.0, C#3.0
LINQ: Introducing The Skip Last Operators

After having introduced the TakeLast operators ( > )( > )( > ), it makes sense to introduce their duals: the SkipLast operators. Name Description Example SkipLast<TSource>(IEnumerable<TSource>) Returns all but a specified number of contiguous elements from the end of a sequence....

Posted to Paulo Morgado by Paulo Morgado on Tue, Oct 19 2010
Filed under: Filed under: .NET, C#, LINQ, CodePlex, .NET4.0, CodeProject, C#4.0, C#3.0
LINQ: Implementing The TakeLastWhile Operator

Following my last posts ( > )( > ), in this post I’ll introduce the implementation of the TakeLastWhile operator. The TakeLastWhile operator returns last contiguous elements from a sequence that satisfy the specified criteria and is implemented as the TakeLastWhile extension methods : public static...

Posted to Paulo Morgado by Paulo Morgado on Sun, Oct 17 2010
Filed under: Filed under: .NET, C#, LINQ, CodePlex, .NET4.0, CodeProject, C#4.0, C#3.0

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