/// <summary>
///
/// </summary>
/// <param name="eventType"></param>
/// <param name="eventHandler"></param>
/// <returns></returns>
public Task AddEventListenerAsync(FDC3EventType eventType, Action <FDC3Event> eventHandler)
{
var hasAny = FDC3Handlers.HasEventListener(this.ChannelId);
FDC3Handlers.FDC3ChannelEventHandlers[this.ChannelId].Add(eventType, eventHandler);
if (!hasAny)
{
return(connection.AddChannelEventListenerAsync(this.ChannelId, eventType));
}
else
{
return(new TaskCompletionSource <object>(null).Task);
}
}