/// <summary>
/// Removes the observed-object from the observer if and only if
/// the given object was the observed object.
/// </summary>
/// <param name="ClearIfObserved">The object to cease observing</param>
/// <returns>True if the given object was being observed by THIS object.</returns>
public bool ClearObservedObject(IMessageSubscriber ClearIfObserved)
{
return(_ObservedSet.Has(ClearIfObserved, () =>
{
_ObservedSet.Remove(ClearIfObserved);
}));
}
