New Windows 8 Store Apps Development with C# 6 days Course

Monday, January 14, 2013

 Recently, I've been working hard, developing a new Windows 8 Store Apps 6 days Course for C# developers. Today I was very proud to deliver it to one of John Bryce customers, at Hi-Tech College, Herzliya, and it was a great beginning. The course is very detailed and practical, just like I did with a previous 6 days WPF course I've developed. Different content, different college, but same mini-Me J. So if you've enjoyed previous sessions with me, I'm sure you'll enjoy this course either, now with CodeValue.  Following is the agenda for the course arranged by Modules and Topics. Each topic...

Displaying user Messages, Errors and Dialogs from a ViewModel using a Service – Part 2

Tuesday, December 18, 2012

Displaying user Messages, Errors and Dialogs from a ViewModel using a Service – Part 1In my previous post, I've discussed a bit about using the MVVM pattern and how to display a message or opening a dialog from within the view-model. As part of the discussion, I've shown a possible way for displaying Messages, Errors and even Dialog or Popups. In this post I would like to provide more details about the implementation of the Dialog part.  Recall previous post, we have the following two methods of the user interaction service:  bool? ShowDialog<TConductor>(string title) where TConductor : IDialogConductor;  bool? ShowDialog<TConductor, TParameters>(string title, TParameters parameters) where...
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Displaying user Messages, Errors and Dialogs from a ViewModel using a Service – Part 1

Monday, December 17, 2012

Displaying user Messages, Errors and Dialogs from a ViewModel using a Service – Part 2 Years after the invention of the MVVM pattern and people are still asking many questions about how to do this and how to do that, and specifically, how to display a Message, Error or even opening a Dialog from a View Model without accessing the view layer or visual tree. If we go straight with the MVVM pattern concept, the view-model must not directly access or manipulate the View/Visual Tree or part of it in any circumstances. As many of you may already familiar...
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