Site: http://www.timmykokke.com/ Link: http://feeds2.feedburner.com/TKokke
by Timmy Kokke via Timmy Kokke on 9/30/2010 5:41:27 PM
PivotViewer series Building your first PivotViewer application Runtime PivotViewer collection creation PivotViewer - Working with Facets Handling PivotViewer events PivotViewer - Custom actions PivotViewer and MVVM . . . Intro The MVVM patterns is a commonly used pattern in Silverlight. Because of databinding MVVM suits perfectly for WPF and Silverlight. But use it only if appropriate. Often the pattern is used when it isn’t necessary. The usage of any pattern sho ...
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by Timmy Kokke via Timmy Kokke on 8/30/2010 9:01:11 PM
PivotViewer series Building your first PivotViewer application Runtime PivotViewer collection creation PivotViewer - Working with Facets Handling PivotViewer events PivotViewer - Custom actions PivotViewer and MVVM . . . Intro In this tutorial about the Silverlight PivotViewer control I would like to explain how to make use of Custom Actions. Small labels are placed on top of items in the viewer and clicking them will trigger an event. --> The only downside of th ...
by Timmy Kokke via Timmy Kokke on 8/27/2010 8:39:11 PM
PivotViewer series Building your first PivotViewer application Runtime PivotViewer collection creation PivotViewer - Working with Facets Handling PivotViewer events PivotViewer - Custom actions PivotViewer and MVVM . . . Intro Today I would like to go into a little detail about the events used in the PivotViewer control for Silverlight. If you haven’t worked with the PivotViewer yet you might want to read the getting started tutorial I wrote earlier first. Collect ...
by Timmy Kokke via Timmy Kokke on 8/16/2010 7:10:07 PM
PivotViewer series Building your first PivotViewer application Runtime PivotViewer collection creation PivotViewer - Working with Facets Handling PivotViewer events PivotViewer - Custom actions PivotViewer and MVVM . . . Intro If you haven’t had a chance to look at the new PivotViewer control for Silverlight, have a look here or here. The PivotViewer enables visitor of you website to search large amounts of data very easily. The control takes a lot work out of you ...
by Timmy Kokke via Timmy Kokke on 7/30/2010 9:21:54 PM
Intro Often extensions for Expression Blend need to store some global variables. Why not use the mechanisms Blend itself offers? I’d like to show you how to add a custom options page to the options dialog. I’ve started the example project by creating a new C# WPF Custom Control Library project and naming it ExtendingBlendOptionsTutorial. The details on how to create a new Blend Extension can be found here. You need to make sure the Microsoft.Expression.Extensibility and Microsoft.Expression.Fram ...
by Timmy Kokke via Timmy Kokke on 7/7/2010 5:37:49 PM
Intro When running Silverlight 4 out of the browser it could become handy to know that the application is being closed. In case of my open source demo application SilverAmp (http://SilverAmp.CodePlex.com) I wanted to notify the user the application is being closed when music is still playing. Catching the event In Silverlight 4 a new event has been added to the System.Window class. This event is raised when the application is being closed. Closed in any way: by the user hitting F4; by the ...
by Timmy Kokke via Timmy Kokke on 6/29/2010 9:58:42 PM
Since today XamlResource.com is officially in beta. Its purpose is to create a platform to find and share resources for Silverlight and WPF, resources in the form of Xaml. Have a look around and if you run into issues, please let us know at xaml@hotmail.nl. Beta 1: In Beta 1 only a few of the final categories are supported: Colors; Resources of type SolidColorBrush Gradients; Resources of type GradientBrush Color sets; 2 to 5 resources of type SolidColorBrush Vectors; Resou ...
by Timmy Kokke via Timmy Kokke on 6/25/2010 7:55:15 PM
Intro This is the second article in a series of small articles about what is new in Silverlight 4 and Expression Blend 4. The series is build around a open source demo application SilverAmp which is available on http://SilverAmp.CodePlex.com. Setting elevated trust A number of new features in Silverlight 4 require more permission, to gain access to the local file system for example. The elevated trust feature is only in available when running outside the browser. To enable elevated trust ...
by Timmy Kokke via Timmy Kokke on 6/16/2010 6:29:30 AM
Intro This is the first in a series of small articles about what is new in Silverlight 4 and Expression Blend 4. The series is build around a open source demo application SilverAmp which is available on http://SilverAmp.CodePlex.com. MVVM Project and Item Templates Expression Blend has got a new project template to get started with a Model-View-ViewModel project easily. The template provides you with a View and a ViewModel bound together. It also adds the ViewModel to the SampleData of yo ...
by Timmy Kokke via Timmy Kokke on 5/20/2010 10:00:39 PM
Last Tuesday the Software Developers Network – SDN organized another SDE. I’ve had the opportunity to present a session about Silverlight 4. I talked about lots of new features in Silverlight 4 and Expression Blend 4, focused on the Out-Of-Browser features. The slides of my presentation can be downloaded here. In my presentation I demonstrated a couple of features from my new pet project “SilverAmp”. This project is based on the legendary WinAmp, but made entirely in Silverlight ...
by Timmy Kokke via Timmy Kokke on 4/11/2010 10:34:04 PM
Introduction With the recent news about Silverlight on the Windows Phone and all the great Out-Of-Browser features in the upcoming Silverlight 4 you almost forget Silverlight is a browser plugin. It most often runs in a web browser and often as a control. In many cases you need to communicate with the browser to get information about textboxes, events or details about the browser itself. To do this you can use JavaScript from Silverlight. Although Silverlight works the same on every browser, Jav ...
by Timmy Kokke via Timmy Kokke on 4/1/2010 9:09:03 PM
.Last time I showed you how to get started building extensions for Expression Blend. Lets build a useful extension this time and go a bit deeper into Blend. Source of project => here Compiled dll => here (extract into /extensions folder of Expression Blend) The Extension When working on large Xaml files in Blend it’s often hard to find a specific control in the "Objects and Timeline Pane”. An extension that searches the active document and presents all elements that satisfy th ...
by Timmy Kokke via Timmy Kokke on 3/21/2010 9:49:59 PM
Introduction Although it was possible to write extensions for Expression Blend and Expression Design, it wasn’t very easy and out of the box only one addin could be used. With Expression Blend 4 it is possible to write extensions using MEF, the Managed Extensibility Framework. Until today there’s no documentation on how to build these extensions, so look thru the code with Reflector is something you’ll have to do very often. Because Blend and Design are build using WPF searching the visual tree ...
by Timmy Kokke via Timmy Kokke on 3/14/2010 10:27:55 PM
Getting started with the basics Validation in Silverlight can get very complex pretty easy. The DataGrid control is the only control that does data validation automatically, but often you want to validate your own entry form. Values a user may enter in this form can be restricted by the customer and have to fit an exact fit to a list of requirements or you just want to prevent problems when saving the data to the database. Showing a message to the user when a value is entered is pretty straight ...
by Timmy Kokke via Timmy Kokke on 2/10/2010 8:46:36 PM
Introduction The last months I’ve been playing with the ideas for a few Silverlight Controls using 3D effects. Movement, animation and Depth in various controls for various purposes. The entire project, including the sourcecode and demos, will be available on CodePlex: http://SL3DControls.codeplex.com. DepthCanvas The DepthCanvas is the first control in the collection. The DepthCanvas stacks layers on top of each other, and rotates the whole slightly when the mouse moves. This adds a feel of ...
by Timmy Kokke via Timmy Kokke on 11/23/2009 10:16:08 PM
I’d like to provide you with a SilverBullet™, a small snippet of Silverlight, a class or namespace hidden in the silverlight .NET framework, to help you out in times of need. It’s not to learn, but something to keep in your pocket. Just remember it’s there and you’re safe. When writing the demo for the code-camp I ran into issues getting back on the UI thread after calling a webservice. The call to the webservice was made from the UI thread, but the callback was made on a different thread. The ...
by Timmy Kokke via Timmy Kokke on 11/5/2009 8:50:41 PM
StarterKits for Silverlight and the Expression Tools Lately I’ve seen some tweets passing by with links to various StarterKits. I’ve decided to "Bing” around a little and find out what these people were talking about. There are quite a few StarterKits available on various topics. I’ve listed a few below, old and new ones, that I find relevant to my fields of interest: Silverlight and the Expression Blend, Design and Web. Building a Zune Website with Expression Blend 3 StarterKit In this lab y ...
by Timmy Kokke via Timmy Kokke on 11/2/2009 2:08:07 PM
A few months ago I received an email from Rob Houweling explaining his ideas for a new Dutch usergroup, focused on Silverlight, Expression Design and Expression Blend. I’ve had been playing with the idea of a Silverlight usergroup myself at the time, so I didn’t have to think very long about joining. After meeting and numerous emails between six silverlight enthusiasts(Rob Houweling, Mark Monster, Koen Zwikstra, Antoni Dol, Eric van den Hoek and me, Timmy Kokke) the plans are worked out an ...
by Timmy Kokke via Timmy Kokke on 10/16/2009 9:45:45 PM
For a long time I’ve been wondering how to create a smoke effect like used in the Silverlight Logo for example. There are some techniques to render smoke by using 3D modeling software. But creating this effect in a tool like Expression Design is easier than it looks. Below is an example of what the end result might look like. After opening expression Design start by creating a new document.The size of the document isn’t very important as long as you have a bit of space to play with some paths, ...
by Timmy Kokke via Timmy Kokke on 10/14/2009 9:15:24 AM
I’d like to provide you with a SilverBullet™, a small snippet of Silverlight, a class or namespace hidden in the silverlight .NET framework, to help you out in times of need. It’s not to learn, but something to keep in your pocket. Just remember it’s there and you’re safe. This time I would like a little helper class to your attention. When working in a web environment ever so often you need to encode/decode a Url or a piece of Html. In Silverlight you need to look for the System.Windows.Browser ...
by Timmy Kokke via Timmy Kokke on 10/3/2009 9:15:26 AM
Today I would like to show you how to create lines like above in Expression Design. After opening Expression Design, start by creating a new .design document. Now, zoom in a bit to the upper left corner of the document. Draw a small rectangle and give it some easy numbers. Move the rectangle to 10, 10 and change it width and height to 10 too. Change the stroke of the rectangle to none, and change the fill color to black. Copy the black rectangle and move it to position ...
by Timmy Kokke via Timmy Kokke on 9/29/2009 9:14:31 PM
I’d like to provide you with a SilverBullet™, a small snippet of Silverlight, a class or namespace hidden in the silverlight .NET framework, to help you out in times of need. It’s not to learn, but something to keep in your pocket. Just remember it’s there and you’re safe. Occasionally it’s required to use an Rss or an Atom feed in your projects. Just to show some news, or the latest update on the stock exchange. Working with these, often large, chucks of xml directly can be a pain. In Silverlig ...
by Timmy Kokke via Timmy Kokke on 9/28/2009 1:53:53 PM
Unlike WPF, Silverlight doesn't contain a DataTemplateSelector. A DataTemplateSelector is used to select a data template based on the data-bound element and the data object. But, it isn't hard to build your own. Start by adding a class to the solution and call it something like “DataTemplateSelector”. Inherit this class from System.Windows.Controls.ContentControl. The ContentControl class has a property for a data template and a property for content, which you can use to data-bind to. Next, cr ...
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