private List <Action> DequeueAll()
{
bool lockTaken = false;
try
{
_lock.Enter(ref lockTaken);
if (_actions.Count == 0)
{
return(Queue.Empty);
}
Lists.Swap(ref _actions, ref _toPass);
_actions.Clear();
return(_toPass);
}
finally
{
if (lockTaken)
{
_lock.Exit();
}
}
}