public void Remove(IAirportDuplexCallback cb)
{
lock (this)
{
callbacks.Remove(cb);
}
}
public void Add(IAirportDuplexCallback cb)
{
lock (this)
{
callbacks.Add(cb);
}
}
private void InitCallback()
{
sessionCallback = null;
OperationContext opCtx = OperationContext.Current;
if (opCtx != null)
{
sessionCallback = opCtx.GetCallbackChannel <IAirportDuplexCallback>();
CallbacksHolder.Instance().Add(sessionCallback);
}
}
