/// <summary>
/// Unsubscribe to the log-event delegating to the observer.
/// </summary>
public void Detach()
{
m_NotifyLogger -= NotifyLogger;
m_NotifyProgress -= NotifyProgress;
}
/// <summary>
/// Subscribe to the log-event delegating to the observer.
/// </summary>
public void Attach()
{
m_NotifyLogger += NotifyLogger;
m_NotifyProgress += NotifyProgress;
}