internal void SetStatus(BindingStatus status)
{
if (_status == BindingStatus.Detached && status != _status)
{
throw new InvalidOperationException(SR.Get(SRID.BindingExpressionStatusChanged, _status, status));
}
_status = status;
if (_traceLog != null)
{
_traceLog.Add("Set status = {0} {1}", _status, new StackTrace());
}
}