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Erwin van der Valk's blog: Practicing patterns

The only way to truely master something is to keep trying to improve yourself.. Keep practicing!

Goodbye…

It has been a bit quiet on my blog the last couple of weeks. Sorry about that. I have been very busy...

Date: 12/28/2009

how to work with animations in Silverlight in the mvvm pattern

One of the things I found a bit more challenging than it should have been is working with animations...

Date: 10/12/2009

how to build an outlook style application – part 1

[Update] This is part 1 of this post. Read the second post here. At the end of building prism V2, we...

Date: 09/18/2009

how to apply a viewmodel to new windows

A colleague asked me a question today. How do you apply the Model View ViewModel pattern to new...

Date: 09/18/2009

writing applications that target both wpf and silverlight with a single codebase

A while back, I wrote an MSDN article on writing multi-targeted programs with Prism....

Date: 09/03/2009

how do i adapt a simple vs complex model

When I started with separated presentation patterns, I always thought that to create a single...

Date: 08/31/2009

Implementing the Model View ViewModel pattern

In this third part of my series of blog posts on the ViewModel pattern, I’m going to demonstrate how...

Date: 08/18/2009

the difference between model-view-viewmodel and other separated presentation patterns

This is the second blog post in a series on the Model View ViewModel pattern. Before I’m going to...

Date: 08/14/2009

how do i do… With the Model-View-ViewModel pattern

While building the Composite Application Guidance for WPF and Silverlight (AKA Prism V2), we relied...

Date: 08/11/2009

Unveiling my latest project

Hi guys, Sorry, it has been a bit silent on my blog. But for a good reason. For the last couple of...

Date: 07/17/2009

Using interfaces and base classes in different assembly using vsewss 1.3

In a previous post, I mentioned that there are difficulties with using the Visual Studio extensions...

Date: 06/08/2009

Sharepoint guidance v2 – drop 9

This week, we published the results of interation 9 to our codeplex site. You can get it here:...

Date: 05/13/2009

sharepoint guidance drop 8 video online

Hi guys, Our drop 8 video is online on Channel 9. Check it out: Happy watching and keep practicing!...

Date: 04/30/2009

how to build an outlook style application with prism v2 – Part 2

A while ago, I put an example application on my blog on how to build an outlook style application....

Date: 04/29/2009

sharepoint guidance v2 – drop 8

Last Friday, we’ve released drop 8 of our Guidance.   What did we tackle in iteration 8 The...

Date: 04/27/2009

sharepoint guidance v2 – drop 7

Hi guys, Last monday, we have released drop 7 of the SharePoint Guidance V2. You can get it here:...

Date: 04/16/2009

program to interface… in sharepoint

[Update] I’ve posted a workaround to this issue here:...

Date: 04/10/2009

sharepoint guidance v2 – drop 6 video

Hi Guys, Last week, we have released drop 6 of the Sharepoint guidance V2. In this drop, we have...

Date: 04/08/2009

what do you think of prism?

Prism has been out for quite a while now. I hope you had some time to play with it, read the docs,...

Date: 04/01/2009

p&p Sharepoint guidance v2

Since the Prism project is done, I’ll be working on a different project for the next couple of...

Date: 03/19/2009

linq and the dry principle

I found myself today working on a LINQ query that, in my opinion violated the DRY principle.  ...

Date: 03/16/2009

prism v2 – walkthrough webcasts

Last week, Bob and I have recorded a couple of webcasts. In these webcasts, we are creating an...

Date: 03/02/2009

how to build an outlook style application – part 1

[Update] This is part 1 of this post. Read the second post here. At the end of building prism V2, we...

Date: 03/02/2009

just released: composite application guidance for wpf and silverlight – February 2008

I’m really happy and extremely proud to say that we have launched the Prism V2 (the Composite...

Date: 02/18/2009

Test if classes are registered in unity

While writing some sample applications for the upcoming release of Prism (Composite Application...

Date: 02/13/2009

prism v2 – drop 10 (composite application guidance)

Today, we have released what’s likely going to be the last drop of Prism before the final release....

Date: 01/30/2009

prism v2 – drop 9 (composite application guidance for wpf and silverlight)

It’s been a while since my last post. Not that the Prism team has been sitting idle though. Last...

Date: 01/19/2009

PRISM v2 – dROP 6 (Composite Application Guidance for WPF and Silverlight

Today, we have released the 6th drop of Prism V2 (affectionately known as Compostite Application...

Date: 11/21/2008

Prism V2 – Drop 5 (Composite Application Guidance for WPF and Silverlight)

Today, we’ve released the fifth drop of the Prism V2 project. You can get it at:...

Date: 11/07/2008

Visual Composition scenario’s

Norman posted a valid question to my previous post on Visual composition styles in Prism V2 drop 4....

Date: 10/27/2008

Prism V2 – Drop 4

Today, We have put an other drop of Prism V2 (Composite application guidance for WPF and...

Date: 10/24/2008

Prism V2 (Composite Application Guidance) – Drop 3 is out

Yesterday, we’ve put the third drop of the Prism V2 project (Composite Application Guidance for WPF...

Date: 10/14/2008

Composite Application Guidance for WPF has landed

My new colleagues at patterns & practices have just delivered a great new deliverable around...

Date: 07/04/2008

How to load CAL modules from a website (or other locations)

Loading CAL modules from the web (or any other location) For the last 2 weeks, I’ve done some work...

Date: 06/26/2008

First Post

Hi All, Wecome to my Blog. I've just started my new job at the patterns & practices team in...

Date: 06/26/2008