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Aspect Examples (INotifyPropertyChanged via Aspects)

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5 Jan 2011CPOL30 min read 204.8K   1.9K   147  
A look at different Aspect Orientated Programming frameworks.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

using Microsoft.Practices.Unity;
using UnityInception.ViewModels;
using Microsoft.Practices.Unity.InterceptionExtension;

using UnityInception.ViewModels;
using System.ComponentModel;

namespace UnityInception
{
    /// <summary>
    /// Simple Window to demonstrate a Auto Wired up INPC ViewModel implementation
    /// that the INPCHandler provides
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            MainWindowViewModel viewModel = ContainerWiring.Instance.Container.Resolve<MainWindowViewModel>();
            this.DataContext = viewModel;
            (viewModel as INotifyPropertyChanged).PropertyChanged += MainWindowViewModel_PropertyChanged;
            (viewModel.DummyModel as INotifyPropertyChanged).PropertyChanged += DummyModel_PropertyChanged;
        }

        private void MainWindowViewModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            string extraInfo = "Note as we are using an HandlerAttribute and a blanket PolicyDefinition \r\n " +
                                "of * we will get 2 * INPC events for MainWindowViewModel, But I am keeping this in to show you the options";

            MessageBox.Show(string.Format("{0} property changed in MainWindowViewModel\r\n\r\n{1}", e.PropertyName, extraInfo));
        }

        private void DummyModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            MessageBox.Show(string.Format("{0} property changed in DummyModel", e.PropertyName));
        }

    }
}

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


Written By
Software Developer (Senior)
United Kingdom United Kingdom
I currently hold the following qualifications (amongst others, I also studied Music Technology and Electronics, for my sins)

- MSc (Passed with distinctions), in Information Technology for E-Commerce
- BSc Hons (1st class) in Computer Science & Artificial Intelligence

Both of these at Sussex University UK.

Award(s)

I am lucky enough to have won a few awards for Zany Crazy code articles over the years

  • Microsoft C# MVP 2016
  • Codeproject MVP 2016
  • Microsoft C# MVP 2015
  • Codeproject MVP 2015
  • Microsoft C# MVP 2014
  • Codeproject MVP 2014
  • Microsoft C# MVP 2013
  • Codeproject MVP 2013
  • Microsoft C# MVP 2012
  • Codeproject MVP 2012
  • Microsoft C# MVP 2011
  • Codeproject MVP 2011
  • Microsoft C# MVP 2010
  • Codeproject MVP 2010
  • Microsoft C# MVP 2009
  • Codeproject MVP 2009
  • Microsoft C# MVP 2008
  • Codeproject MVP 2008
  • And numerous codeproject awards which you can see over at my blog

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