private static bool RaiseRemovingIPBanEvent( [NotNull] IPBanInfo info )
{
if ( info == null )
throw new ArgumentNullException( "info" );
var h = RemovingIPBan;
if ( h == null )
return false;
var e = new IPBanCancellableEventArgs( info );
h( null, e );
return e.Cancel;
}