/// <summary>
/// Event handler for when the asynchronous find network sessions
/// operation has completed.
/// </summary>
void FindSessionsOperationCompleted(object sender,
OperationCompletedEventArgs e)
{
GameScreen nextScreen;
try
{
// End the asynchronous find network sessions operation.
AvailableNetworkSessionCollection availableSessions =
NetworkSession.EndFind(e.AsyncResult);
if (availableSessions.Count == 0)
{
// If we didn't find any sessions, display an error.
availableSessions.Dispose();
nextScreen = new MessageBoxScreen(Resources.NoSessionsFound, false);
}
else
{
// If we did find some sessions, proceed to the JoinSessionScreen.
nextScreen = new JoinSessionScreen(availableSessions);
}
}
catch (Exception exception)
{
nextScreen = new NetworkErrorScreen(exception);
}
ScreenManager.AddScreen(nextScreen, ControllingPlayer);
}
/// <summary>
/// Event handler for when the asynchronous create network session
/// operation has completed.
/// </summary>
void CreateSessionOperationCompleted(object sender,
OperationCompletedEventArgs e)
{
try
{
// End the asynchronous create network session operation.
NetworkSession networkSession = NetworkSession.EndCreate(e.AsyncResult);
// Create a component that will manage the session we just created.
NetworkSessionComponent.Create(ScreenManager, networkSession);
// Go to the lobby screen. We pass null as the controlling player,
// because the lobby screen accepts input from all local players
// who are in the session, not just a single controlling player.
ScreenManager.AddScreen(new LobbyScreen(networkSession), null);
}
catch (Exception exception)
{
NetworkErrorScreen errorScreen = new NetworkErrorScreen(exception);
ScreenManager.AddScreen(errorScreen, ControllingPlayer);
}
}
/// <summary>
/// Event handler for when the asynchronous join-from-invite
/// operation has completed.
/// </summary>
static void JoinInvitedOperationCompleted(object sender,
OperationCompletedEventArgs e)
{
ScreenManager screenManager = ((GameScreen)sender).ScreenManager;
try
{
// End the asynchronous join-from-invite operation.
NetworkSession networkSession =
NetworkSession.EndJoinInvited(e.AsyncResult);
// Create a component that will manage the session we just created.
NetworkSessionComponent.Create(screenManager, networkSession);
// Go to the lobby screen.
screenManager.AddScreen(new LobbyScreen(networkSession), null);
}
catch (Exception exception)
{
screenManager.AddScreen(new MainMenuScreen(), null);
screenManager.AddScreen(new NetworkErrorScreen(exception), null);
}
}