Total View Validation

using System;
using System.ComponentModel;
using System.Diagnostics;


namespace GlobalWPFValidation
{
    /// <summary>
    /// A simple Validation error storage object, with a key
    /// and a Desription. 
    /// </summary>
    [DebuggerDisplay("Description : {Description}")]
    public class ValidationFailure : INotifyPropertyChanged
    {
        #region Data
        private String key = String.Empty;
        private String description = String.Empty;
        #endregion

        #region Ctor
        public ValidationFailure(String key, String description)
        {
            this.Key = key;
            this.Description = description;
        }
        #endregion

        #region Public Properties


        /// <summary>
        /// Get or set the Key
        /// </summary>
        public String Key
        {
            get { return key; }
            set
            {
                key = value;
                NotifyChanged("Key");
            }
        }


        /// <summary>
        /// Get or set the Description
        /// </summary>
        public String Description
        {
            get { return description; }
            set
            {
                description = value;
                NotifyChanged("Description");
            }
        }
        #endregion

        #region Overrides
        public override string ToString()
        {
            return String.Format("{0} {1}", Key, Description);
        }
        #endregion

        #region INotifyPropertyChanged Implementation

        /// <summary>
        /// Occurs when any properties are changed on this object.
        /// </summary>
        public event PropertyChangedEventHandler PropertyChanged;


        /// <summary>
        /// A helper method that raises the PropertyChanged event for a property.
        /// </summary>
        /// <param name="propertyNames">The names of the properties that changed.</param>
        protected virtual void NotifyChanged(params string[] propertyNames)
        {
            foreach (string name in propertyNames)
            {
                OnPropertyChanged(new PropertyChangedEventArgs(name));
            }
        }

        /// <summary>
        /// Raises the PropertyChanged event.
        /// </summary>
        /// <param name="e">Event arguments.</param>
        protected virtual void OnPropertyChanged(PropertyChangedEventArgs e)
        {
            if (this.PropertyChanged != null)
            {
                this.PropertyChanged(this, e);
            }
        }

        #endregion

    }
}