Contact Manager Web API

This sample uses ASP.NET Web API to build a simple contact manager application. The application consists of a contact manager web API that is used by an ASP.NET MVC application, a Windows Phone application, and a Windows 8 app to display and manage a list of contacts.

C# (1.9 MB)
 
 
 
 
 
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8/16/2012
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C#
using System;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using Windows.UI.Xaml.Data;

namespace ContactManager.WindowsStore.Common
{
    /// <summary>
    /// Implementation of <see cref="INotifyPropertyChanged"/> to simplify models.
    /// </summary>
    [Windows.Foundation.Metadata.WebHostHidden]
    public abstract class BindableBase : INotifyPropertyChanged
    {
        /// <summary>
        /// Multicast event for property change notifications.
        /// </summary>
        public event PropertyChangedEventHandler PropertyChanged;

        /// <summary>
        /// Checks if a property already matches a desired value.  Sets the property and
        /// notifies listeners only when necessary.
        /// </summary>
        /// <typeparam name="T">Type of the property.</typeparam>
        /// <param name="storage">Reference to a property with both getter and setter.</param>
        /// <param name="value">Desired value for the property.</param>
        /// <param name="propertyName">Name of the property used to notify listeners.  This
        /// value is optional and can be provided automatically when invoked from compilers that
        /// support CallerMemberName.</param>
        /// <returns>True if the value was changed, false if the existing value matched the
        /// desired value.</returns>
        protected bool SetProperty<T>(ref T storage, T value, [CallerMemberName] String propertyName = null)
        {
            if (object.Equals(storage, value)) return false;

            storage = value;
            this.OnPropertyChanged(propertyName);
            return true;
        }

        /// <summary>
        /// Notifies listeners that a property value has changed.
        /// </summary>
        /// <param name="propertyName">Name of the property used to notify listeners.  This
        /// value is optional and can be provided automatically when invoked from compilers
        /// that support <see cref="CallerMemberNameAttribute"/>.</param>
        protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            var eventHandler = this.PropertyChanged;
            if (eventHandler != null)
            {
                eventHandler(this, new PropertyChangedEventArgs(propertyName));
            }
        }
    }
}