Silverlight Menu4U

using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;

namespace Silverlight.Controls
{
    public class ItemWrapper : Grid
    {
        #region Text

        /// <summary>
        /// Text Dependency Property
        /// </summary>
        public static readonly DependencyProperty TextProperty =
            DependencyProperty.Register("Text", typeof(string), typeof(ItemWrapper),
            new PropertyMetadata((string)null,
                    new PropertyChangedCallback(OnTextChanged)));


        public string Text
        {
            get { return (string)GetValue(TextProperty); }
            set { SetValue(TextProperty, value); }
        }

        /// <summary>
        /// Handles changes to the Text property.
        /// </summary>
        private static void OnTextChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ItemWrapper target = (ItemWrapper)d;
            string oldText = (string)e.OldValue;
            string newText = target.Text;
            target.OnTextChanged(oldText, newText);
        }

        /// <summary>
        /// Provides derived classes an opportunity to handle changes to the Text property.
        /// </summary>
        protected virtual void OnTextChanged(string oldText, string newText)
        {
            if (newText.Equals("-", StringComparison.OrdinalIgnoreCase))
            {
                this.Visibility = System.Windows.Visibility.Collapsed;
            }
            else
            {
                this.Visibility = System.Windows.Visibility.Visible;
            }
        }

        #endregion
        public ItemWrapper()
        {
        }
    }
}