private void UnaryOperation()
{
Set resultSet = new Set("");
string operationName = unaryOperationComboBox.Text.Substring(0,
unaryOperationComboBox.Text.Length - 1) + "я";
switch (unaryOperationComboBox.SelectedIndex)
{
case 0:
resultSet = field.ReverseSet(unarySetComboBox.SelectedIndex);
break;
}
AddSetDialog(resultSet, operationName);
}