MVVM WPF - Implement current_user like Ruby on Rails - c#

I'm creating a new WPF application with (my first WPF app):
.Net 4.0
MVVM Light
C#
MahApps Metro
I've started with the Login View (Hehe, obvious right?). Well, I'd like to preserve information of the current user logged into the app so I can hide/show elements based on the profile and some other similar tasks.
I'm familiar with Ruby on Rails/MVC and Devise. In Devise you have the current_user object along all the project and you can use it for several purposes.
I know that MVC and MVVM are somewhat different concepts so, I don't know for sure if the same approach is valid for MVVM/WPF.
Is it valid? If so, how can I do it with MVVM Light?

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Windows Form based application layout/template

I am very new to Windows form based application. I have Visual studio 2012 and want to create a windows application.
This question might be asked before but I was not able to find any clear answer, so I decided to post the question here..
I want to know that if there is a way to create a master form (or a kind of template) for my application having common controls and rest of the forms can inherit that, likewise we do in web-applications.
I found somewhere that instead of going with Windows Forms application, I should go with WPF application, if that is the case can somebody point me to a good article where I can find some info about it....
I really advise you to work with WPF, windows forms is dead since years. WPF is very flexible and you can do far more things than windows forms.
Here is how to implement Master-Page like behavior using WPF: Link.
Here are some WPF tutorial to start your journey:
http://www.wpftutorial.net/
http://www.tutorialspoint.com/wpf/
Learning WPF and XAML is great as it is very similar to most new technologies like Android (layouts), Xamarin (Forms), etc... So it is good technology to learn.

Pattern for multiple types of UI (Web, WPF, android) but single domain model

I have an application which has multiple UI Web, WPF, android. But I am a WPF developer. For WPF I know that MVVM pattern is best for WPF but for others I don't know.
I don't think I can use MVVM in Web and android application. How should I implement this so that same DomainModel can be used in all three UI application.
Kindly suggest.

Best way to implement a multilingual application in silverlight and WPF

I have always been interested in how should I implement a multilingual applications and what or which way I should go to deal with this and also what's the best way to control the layouts in application scope? I've read many articles but the more read, the more confused I get. I want to know Is there any standard pattern to implement application such as this.
Any advice will be helpful.
I have found Location using MarkupExtension the best way to do localization in WPF and I also have successfully used it in one of my WPF projects.
It allows you to change the language of whole application at run-time. You can allow user to select and change language at run-time without requiring user to restart the app.
I'm currently developing a multilingual application, these links helped me a lot:
WPF Globalization and Localization Overview
WPF Localization Guidance
IMO working with BAML is very painful instead I'm using WPF localization extension now, It's very good library and very easy to use.

UI for a trading application in C# WPF

I have created a trading application in WPF, for which I am ashamed of it's shabby look since it is far from being impressive.
I would now like to redesign the user interface for my application, and make it similar to an example screen shot of a trading application
Can someone please advice tips on what path I should follow to make a UI of similar nature? eg., if there is an open source C# WPF application which has a similar look and feel, that would be great. or if there is a library which has cool listview, scrollbar and progress bars, ..
PS: I do not have microsoft blend
You should follow the MVVM pattern for creating UI's for wpf application
http://msdn.microsoft.com/en-us/magazine/dd419663.aspx#id0090025
Refer the josh smith blog for WPF MVVM
http://joshsmithonwpf.wordpress.com/a-guided-tour-of-wpf/
Hopefully you would have completed your application by now. If not:
Try understanding the sample Stock Trader Reference Implementation application by MSDN built using WPF, MVVM, and Prism and you would get a head start for creating your kind of UI and implementation.
You can call it as a suggestion not an answer exactly. But posting for those who are new to WPF and learning screen designing or patterns. According to my experience with WPF I can say first get you hands dirty learn how binding works because that is the base of WPF.Simpler way to learn how binding works is learning how to bind controls with other controls. Then use simple classes and learn MVVM. Next go for command binding within MVVM perimeter. Keep the prism to the last, because you need good understanding of binding mechanisms, commands, MVVM and more to understand PRISM. After this you will have idea of how these things work together and will help you figure out how to play with data and screen together and design nice screens. Again, Not an answer to the above question. Just suggestions to those who are learning WPF and landed here looking for WPF UI designing.

C# MVC Windows application

for developing a application in C# windows application which one is better MVC or creating class file for each form
Right now the suggested direction for a Windows application would be WPF using the MVVM patern (Model, View, View Model). There seems to be a good match between WPF and use of a View Model by way of declarative binding and other nice stuff.
There are articles here: http://karlshifflett.wordpress.com/mvvm/ that should point you in the right direction plus stuff on Channel9 and elsewhere.
If you are using WPF, ModeL View Presenter (variation of mvc) is the best choice. In case of Windows Forms MVC is unnatural but still you can emulate it partially with this technology.

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