/// <summary>
/// Event handler which is triggered when this page is navigated to
/// </summary>
/// <param name="e">Event arguments</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
DataContext = null; //important part, whenever you navigate, refreshes the ViewModel - no deletion, just resetting of the DataContext, so the page won't get stuck
DataContext = App.ChatLogViewModel; //and finally the resetting
currentPartner = (RemoteReference)PhoneApplicationService.Current.State["CurrentPartner"];
myChatUser = (ChatUser)PhoneApplicationService.Current.State["MyChatUser"];
ui_chatlogheader.Text = String.Format("Chatting with {0}", PhoneApplicationService.Current.State["PartnerNickname"] as String);
}
public MainPage()
{
InitializeComponent();
this.UIDispatcher = (DispatchedHandler a) => CoreWindow.GetForCurrentThread().Dispatcher.RunAsync(CoreDispatcherPriority.Normal, a);
this.chatServiceTag = new TypeTag("chat");
MyChatUsersViewModel = (ChatUsersViewModel)Resources["ChatUsersViewModel"];
this.chatUsers = new Dictionary<Guid, RemoteReference>();
// Set up our own name
string nickname = "User" + new Random().Next(1, 99);
ui_nickname.Text = nickname;
ui_nickname.IsEnabled = false;
// Set up our own user and all callbacks
myChatUser = new ChatUser(nickname, this.Dispatcher);
myChatUser.PartnerLeftChatEvent += PartnerLeftChat;
myChatUser.InviteReceivedEvent += InviteReceivedFromUser;
myChatUser.AcceptInviteEvent += AcceptInviteByUser;
myChatUser.RejectInviteEvent += RejectInviteByUser;
myChatUser.InviteAcceptedEvent += InviteAcceptedByUser;
myChatUser.InviteRejectedEvent += InviteRejectedByUser;
// Set up the listener callbacks for joining/leaving of users
this.userListener = new ServiceListener<RemoteReference>();
userListener.IsDiscovered += UserListener_IsDiscovered;
userListener.IsDisconnected += UserListener_IsDisconnected;
userListener.IsReconnected += UserListener_IsDiscovered;
EventLoop.Instance.Whenever(chatServiceTag, userListener);
// Export our service
myServicePublication = EventLoop.Instance.Broadcast(chatServiceTag, myChatUser);
// Go online on the network
NetPOC.Network.NetworkControl.Network networkObj = EventLoop.Instance.GoOnline();
}