developer/Samples/NET 4.6/Samples for Parallel/AcmePizza/AcmePizza_CSharp/PizzaSizeCircle.xaml.cs

   1 //--------------------------------------------------------------------------
   2 //
   3 //  Copyright (c) Microsoft Corporation.  All rights reserved.
   4 //
   5 //  File: PizzaSizeCircle.xaml.cs
   6 //
   7 //--------------------------------------------------------------------------
   8
   9 using System;
  10 using System.Windows;
  11 using System.Windows.Controls;
  12
  13 namespace AcmePizza
  14 {
  15     /// <summary>
  16     /// Interaction logic for PizzaSizeCircle.xaml
  17     /// </summary>
  18     public partial class PizzaSizeCircle : UserControl
  19     {
  20
  21         public PizzaSizeCircle()
  22         {
  23             InitializeComponent();
  24         }
  25
  26         public int PizzaSize
  27         {
  28             get
  29             {
  30                 return (int)this.GetValue(PizzaSizeProperty);
  31             }
  32             set
  33             {
  34                 this.SetValue(PizzaSizeProperty, value);
  35
  36             }
  37         }
  38
  39         static void PizzaSizeChangedCallBack(DependencyObject property, DependencyPropertyChangedEventArgs args)
  40         {
  41             var control = (PizzaSizeCircle)property;
  42             switch ((int)args.NewValue)
  43             {
  44                 case 11:
  45                     control.circle.Width = 30;
  46                     control.circle.Height = 30;
  47                     control.layoutRoot.Width = 30;
  48                     control.layoutRoot.Height = 30;
  49                     control.label.Text = "11";
  50                     break;
  51                 case 13:
  52                     control.circle.Width = 50;
  53                     control.circle.Height = 50;
  54                     control.layoutRoot.Width = 50;
  55                     control.layoutRoot.Height = 50;
  56                     control.label.Text = "13";
  57                     break;
  58                 case 17:
  59                     control.circle.Width = 75;
  60                     control.circle.Height = 75;
  61                     control.layoutRoot.Width = 75;
  62                     control.layoutRoot.Height = 75;
  63                     control.label.Text = "17";
  64                     break;
  65                 default:
  66                     throw new ArgumentOutOfRangeException();
  67             }
  68         }
  69
  70         public static readonly DependencyProperty PizzaSizeProperty =
  71             DependencyProperty.Register("PizzaSize", typeof(int), typeof(PizzaSizeCircle),
  72             new UIPropertyMetadata(17, new PropertyChangedCallback(PizzaSizeChangedCallBack)));
  73
  74     }
  75 }