sdk/samples/WPFSamples/CustomContentStateNavigationSample/csharp/usercustomcontentstate.cs

   1 using System;
   2 using System.Windows.Controls;
   3 using System.Windows.Navigation;
   4
   5 namespace CustomContentStateNavigationSample
   6 {
   7     [Serializable]
   8     // This class encapsulates the current user data - the list selected index
   9     class UserCustomContentState : CustomContentState
  10     {
  11         private User user;
  12
  13         public UserCustomContentState(User user)
  14         {
  15             this.user = user;
  16         }
  17
  18         // Override this property to customize the name that appears in
  19         // navigation history for this custom content state object.
  20         public override string JournalEntryName
  21         {
  22             get
  23             {
  24                 return this.user.Name;
  25             }
  26         }
  27
  28         // MANDATORY:  Need to override this method to restore the required state.
  29         // Since the "navigation" is not user-initiated ie. set by the user selecting
  30         // a new ListBoxItem, we set the flag to false.
  31         public override void Replay(NavigationService navigationService, NavigationMode mode)
  32         {
  33             StateNavigationPage page = (StateNavigationPage)navigationService.Content;
  34             ListBox userListBox = page.userListBox;
  35
  36             page.userListBox.SelectionChanged -= page.userListBox_SelectionChanged;
  37             page.userListBox.SelectedItem = this.user;
  38             page.userListBox.SelectionChanged += page.userListBox_SelectionChanged;
  39         }
  40     }
  41 }