/// <summary>
/// Sets the cancel flag.
/// </summary>
public void Cancel()
{
lock (this) { _parent = null; }
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="parent"></param>
/// <param name="interval"></param>
internal AutoExpirationTask(MessageManager parent, long interval)
{
_parent = parent;
_interval = interval;
}
