private void MoveDisplayedAffectUpCommandExecute([CanBeNull] object obj) { if (SelectedDisplayedAffect != null) { var originalIndex = DisplayedAffects.IndexOf(SelectedDisplayedAffect); DisplayedAffects.Move(originalIndex, originalIndex - 1); } UpdateCommandsCanExecute(); }
private bool MoveDisplayedAffectUpCommandCanExecute([CanBeNull] object arg) { if (SelectedDisplayedAffect != null) { if (DisplayedAffects.IndexOf(SelectedDisplayedAffect) > 0) { return(true); } } return(false); }