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The Lottery-Console-Application used at the last WPF-Event @ Microsoft Usergroup Switzerland
25 August 08 12:30 | .NET Rocker » TrivadisContent
Last week we had a great WPF-afterwork-event at Microsoft Usergroup Switzerland (MSUGS) sponsored by Trivadis. I gave a deep-dive session about developing custom controls using WPF with many of it’s features like Dependency Properties, Commands...
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WPF-book is now available in stores, maybe you win a free one @MSUGS
01 Juli 08 12:10 | .NET Rocker » TrivadisContent
Since last week my German WPF-book is available in stores. You find more details about the book and some snippets of chapter 1 and chapter 14 on Galileo Computing. You can order the book on the Galileo Comuting-Website or on amazon.de and other stores...
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Print of WPF-book will start next week
31 Mai 08 07:15 | .NET Rocker » TrivadisContent
As I promised in my last post, here are some infos about my nearly finished book project: Last weekend I made checks on the first galley proof of my german WPF-book. Yesterday I got the second galley proof, the corrected one. The second galley proof I’ve...
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Got the MCTS: .NET Framework 3.5, Windows Presentation Foundation
18 Mai 08 06:27 | .NET Rocker » TrivadisContent
Last Thursday I took the exam for the Microsoft Certified Technology Specialist .NET Framework 3.5, Windows Presentation Foundation. The exam is brand new and covers a wide spectrum of WPF. Im not sure, if asking Multiple-choice-questions is a good thing...
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UIAutomation to open ComboBox from Code
18 Mai 08 06:07 | .NET Rocker » TrivadisContent
In WPF there’s an Automation Framework called UIAutomation. This Framework can be used to control UIElements from code. This can be useful for different scenarios: Provide the user additional help Control a programm by another programm Test applications...
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WPF Multi-Layer Business Application for Download
16 Mai 08 11:24 | .NET Rocker » TrivadisContent
Tomorrow Karl Shifflett is giving a Code Camp session in Charlotte. Unfortunately it’s too far away for me to participate. Today Karl has posted a really great WPF Multi-Layer Business Application that can be downloaded from his blog. Check it out...
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LostFocus (TextBox) vs. Buttons IsDefault-Property
02 Mai 08 11:52 | .NET Rocker » TrivadisContent
If you bind the Text-Property of a TextBox to something, the "something" is updated when the TextBox loses focus. This is the Default-UpdateSourceTrigger defined in the Metadata for the TextBox.TextProperty. In a Data Binding you can specify another...
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Vista’s SaveFileDialog and OpenFileDialog in WPF
12 April 08 02:05 | .NET Rocker » TrivadisContent
Windows Vista contains new Win32-Dialogs to save and open a file. There are also the old dialogs from XP available. Windows Presentation Foundation has two wrapper-classes for Win32-Dialogs. The Microsoft.Win32-Namespace contains a SaveFileDialog- and...
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Take Snapshots PART II - Save as animated GIF
09 April 08 11:31 | .NET Rocker » TrivadisContent
I was asked, if it would be possible to save the snapshots created in my last post as an animated gif. With a DispatcherTimer and the GifBitmapEncoder-class you’re not far away from it. Just create a MediaElement in your Window: <MediaElement...
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Take Snapshots of Videos with WPF
06 April 08 01:14 | .NET Rocker » TrivadisContent
With WPF’s Imaging-Classes you can take snapshots of any Visual. The snapshot can be saved in any common Image-Format, like e.g. JPG. Let’s take a look at a pretty short example, that shows how easy this can be done. The example takes snapshots...
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Dependency Properties - Value Precendence
13 März 08 05:02 | .NET Rocker » TrivadisContent
The value of a Dependency Properties in WPF can be set from many sources: Templates, Styles, Data Binding, Animation, Local, Inherited from Element Tree,… That’s the reason why they are called "Dependency" Properties. Their values...
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Built-in DataGrid for WPF is planned
23 Februar 08 12:36 | .NET Rocker » TrivadisContent
Yes, they are planning to release it. Really great news. Today there’s no DataGrid for WPF-applications as part of .NET Framework 3.5. There are only third-party controls like the Grid from Xceed or Infragistics. Have you ever built a business application...
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Kick it like Beckham with WPF Animations
21 Februar 08 08:31 | .NET Rocker » TrivadisContent
I’m just finishing the Animation-Chapter of my German-speaking WPF book (WPF-Buch erscheint im Juni 2008). I had a hard time to find a good idea how to show the reader animations in a really "non-boring", but easy way. And I think I’ve...
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Bind to methods with ObjectDataProvider
10 Januar 08 08:08 | .NET Rocker » TrivadisContent
Two classes inherit from DataSourceProvider. XmlDataProvider and ObjectDataProvider. ObjectDataProvider wraps an object and allows you to bind to the wrapped object in XAML. The ObjectDataProvider has a ConstructorParameters-Property for creating an object...
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Working with the XmlDataProvider
07 Januar 08 12:17 | .NET Rocker » TrivadisContent
The XmlDataProvider class enables Binding to XML inside XAML. This will allow you to bind e.g. to the rss feed of a blog like http://www.thomasclaudiushuber.com/blog/feed/, cause rss is simple XML. A XmlDataProvider-Element is declared as a logic resource...
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