/// <summary>
 /// Метод заполнения текст боксов значениями из _object
 /// </summary>
 /// <param name="myObject"></param>
 private void FillTextBoxes(ICalories myObject)
 {
     if (myObject is Press)
     {
         _discipline = MainForm.Discipline.Press;
         firstParameterTextBox.Text = Convert.ToString(((Press) myObject).Weight);
         secondParameterTextBox.Text = Convert.ToString(((Press) myObject).Times);
     }
     if (myObject is Run)
     {
         _discipline = MainForm.Discipline.Run;
         firstParameterTextBox.Text = Convert.ToString(((Run) myObject).Distance);
         secondParameterTextBox.Text = Convert.ToString(((Run) myObject).Intensivity);
     }
     if (myObject is Swim)
     {
         _discipline = MainForm.Discipline.Swim;
         firstParameterTextBox.Text = Convert.ToString(((Swim) myObject).Distance);
         secondParameterTextBox.Text = Convert.ToString(((Swim) myObject).Style);
     }
     disciplineComboBox.SelectedIndex = (int)_discipline;
 }
 /// <summary>
 /// Обработчик смены значения disciplineComboBox
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void DisciplineComboBox_SelectedIndexChanged(object sender, EventArgs e)
 {
     _discipline = (MainForm.Discipline)disciplineComboBox.SelectedIndex;
     MagicSwitch();
 }