public static AvailableNetworkSessionCollection EndFind(IAsyncResult result)
{
AvailableNetworkSessionCollection availableSessions = null;
try
{
availableSessions = AsyncFindCaller.EndInvoke(result);
}
catch
{
throw;
}
finally
{
AsyncFindCaller = null;
}
return(availableSessions);
}
public static IAsyncResult BeginFind(NetworkSessionType sessionType, IEnumerable <SignedInGamer> localGamers, NetworkSessionProperties searchProperties, AsyncCallback callback, Object asyncState)
{
if (Session != null || AsyncCreateCaller != null || AsyncFindCaller != null || AsyncJoinCaller != null)
{
throw new InvalidOperationException("Only one NetworkSession allowed");
}
if (sessionType == NetworkSessionType.Local)
{
throw new ArgumentException("Find cannot be used with NetworkSessionType.Local");
}
if (localGamers == null)
{
throw new ArgumentNullException("localGamers");
}
foreach (var localGamer in localGamers)
{
if (localGamer == null)
{
throw new ArgumentNullException("Element of localGamers");
}
}
if (searchProperties == null)
{
searchProperties = new NetworkSessionProperties();
}
AsyncFindCaller = new AsyncFind(InternalFind);
IAsyncResult result = null;
try
{
result = AsyncFindCaller.BeginInvoke(sessionType, localGamers, searchProperties, callback, asyncState);
}
catch
{
AsyncFindCaller = null;
throw;
}
return(result);
}
