private void Button_Click_Remove_Grad(object sender, RoutedEventArgs e)
{
CriterionForm parent = (sender as ButtonWithParent).criterionParent;
GradationWithButton gradParent = (sender as ButtonWithParent).gradationParent;
parent.betweenSP.Children.Remove(parent.gradationsList[parent.gradationsList.IndexOf(gradParent)].line);
parent.gradationsList.Remove(gradParent);
}
public ButtonWithParent(CriterionForm criterionParent, GradationWithButton gradationParent)
{
this.Style = (Style)Application.Current.Resources["Buttons"];
this.criterionParent = criterionParent;
this.gradationParent = gradationParent;
}