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Migrate from Basic to MVVM and MEF Composable Patterns for a Silverlight Application - Part 3

, 3 May 2012 CPOL
The article series shows how to upgrade a Silverlight application having basic patterns to the MVVM and MEF composable patterns with easy approaches and detailed coding explanations.
MigrateToMvvmMef-Part1_Src.zip
MigrateToMvvmMef-Part1_Src
ProductApp.Common
Bin
Release
Constants
ModuleServices
obj
ProductApp.Common.csproj.user
Properties
ProductApp.Main
Assets
Bin
Release
obj
ProductApp.Main.csproj.user
Properties
Views
ProductApp.suo
ProductApp.Views
Assets
Bin
Release
obj
ProductApp.Views.csproj.user
Properties
ProductApp.Web
bin
ClientBin
obj
ProductApp.Web.csproj.user
Properties
ProductRiaLib
ProductRiaLib.Web
App_Data
bin
Debug
EntityFramework.dll
Microsoft.ServiceModel.DomainServices.EntityFramework.dll
Release
Models
obj
ProductRiaLib.Web.csproj.user
Properties
Services
Bin
Release
obj
ProductRiaLib.csproj.user
Properties
MigrateToMvvmMef-Part2_Src.zip
MigrateToMvvmMef-Part2_Src
ProductApp.Common
Bin
Release
Constants
EventArguments
Models
ModuleServices
obj
ProductApp.Common.csproj.user
Properties
ProductApp.Main
Assets
Bin
Release
obj
ProductApp.Main.csproj.user
Properties
ViewModels
Views
ProductApp.Models
Bin
Release
obj
ProductApp.Models.csproj.user
Properties
ProductApp.suo
ProductApp.ViewModels
Bin
Release
obj
ProductApp.ViewModels.csproj.user
Properties
ProductApp.Views
Assets
Bin
Release
obj
ProductApp.Views.csproj.user
Properties
ProductApp.Web
bin
ClientBin
obj
ProductApp.Web.csproj.user
Properties
ProductRiaLib
ProductRiaLib.Web
App_Data
bin
Debug
EntityFramework.dll
Microsoft.ServiceModel.DomainServices.EntityFramework.dll
Release
Models
obj
ProductRiaLib.Web.csproj.user
Properties
Services
Bin
Release
obj
ProductRiaLib.csproj.user
Properties
_Assemblies
GalaSoft.MvvmLight.SL5.dll
System.Windows.Interactivity.dll
MigrateToMvvmMef-Part3_Src.zip
MigrateToMvvmMef-Part3_Src
AnotherXap.Models
AnotherXap.Models.csproj.user
Bin
Release
obj
Properties
AnotherXap.ViewModels
AnotherXap.ViewModels.csproj.user
Bin
Release
obj
Properties
AnotherXap.Views
AnotherXap.Views.csproj.user
Assets
Bin
Release
obj
Properties
ProductApp.Common
Bin
Release
Constants
EventArguments
Models
ModuleServices
obj
ProductApp.Common.csproj.user
Properties
SaveState
ProductApp.Main
Assets
Bin
Release
Models
obj
ProductApp.Main.csproj.user
Properties
ViewModels
Views
ProductApp.Models
Bin
Release
obj
ProductApp.Models.csproj.user
Properties
ProductApp.suo
ProductApp.ViewModels
Bin
Release
obj
ProductApp.ViewModels.csproj.user
Properties
ProductApp.Views
Assets
Bin
Release
obj
ProductApp.Views.csproj.user
Properties
ProductApp.Web
bin
ClientBin
obj
ProductApp.Web.csproj.user
Properties
ProductRiaLib
ProductRiaLib.Web
App_Data
bin
Debug
EntityFramework.dll
Microsoft.ServiceModel.DomainServices.EntityFramework.dll
Release
Models
obj
ProductRiaLib.Web.csproj.user
Properties
Services
Bin
Release
obj
ProductRiaLib.csproj.user
Properties
_Assemblies
GalaSoft.MvvmLight.SL5.dll
System.Windows.Interactivity.dll
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;

namespace ProductApp.Main
{
    public partial class App : Application
    {
        public App()
        {
            this.Startup += this.Application_Startup;
            this.UnhandledException += this.Application_UnhandledException;

            InitializeComponent();
        }

        private void Application_Startup(object sender, StartupEventArgs e)
        {
            this.RootVisual = new Views.MainPage();
        }

        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            // If the app is running outside of the debugger then report the exception using
            // a ChildWindow control.
            if (!System.Diagnostics.Debugger.IsAttached)
            {
                // NOTE: This will allow the application to continue running after an exception has been thrown
                // but not handled. 
                // For production applications this error handling should be replaced with something that will 
                // report the error to the website and stop the application.
                e.Handled = true;
                ChildWindow errorWin = new ErrorWindow(e.ExceptionObject);
                errorWin.Show();
            }
        }
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Shenwei Liu

United States United States
Shenwei is a software developer and architect, and has been working on business applications using Microsoft and Oracle technologies since 1996. He obtained Microsoft Certified Systems Engineer (MCSE) in 1998 and Microsoft Certified Solution Developer (MCSD) in 1999. He has experience in ASP.NET, C#, Visual Basic, Windows and Web Services, Silverlight, WPF, JavaScript/AJAX, HTML, SQL Server, and Oracle.

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