void removeBackEntryButton_Click(object sender, RoutedEventArgs e)
{
// If there is an entry in back navigation history, remove it
if (this.NavigationService.CanGoBack)
{
JournalEntry entry = this.NavigationService.RemoveBackEntry();
UserCustomContentState state = (UserCustomContentState)entry.CustomContentState;
this.logListBox.Items.Insert(0, "RemoveBackEntry: " + state.JournalEntryName);
}
}
internal void userListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
// Only add custom state to navigation history if an item is selected
if (e.RemovedItems.Count == 0)
{
return;
}
// SelectionChanged occurs after list selection changes,
// hence we create custom content state for the previous user
User previousUser = e.RemovedItems[0] as User;
this.logListBox.Items.Insert(0, "AddBackEntry: " + previousUser.Name);
// Create custom content state and add a new back entry that contains it
UserCustomContentState userPageState = new UserCustomContentState(previousUser);
this.NavigationService.AddBackEntry(userPageState);
}
