private void DeactivateParameters()
        {
            ParamAModTextBox.Clear();
            ParamBModTextBox.Clear();
            ParamCModTextBox.Clear();

            ConfirmButton.IsEnabled = false;
            if (SecondGradeFunction.GetFormula().Equals((String)FunctionModComboBox.SelectedItem))
            {
                ParamCModTextBox.Visibility = Visibility.Visible;
                ParamCLabel.Visibility      = Visibility.Visible;
                ParamCModTextBox.Clear();
            }
            else
            {
                ParamCModTextBox.Visibility = Visibility.Hidden;
                ParamCLabel.Visibility      = Visibility.Hidden;
                ParamCModTextBox.Clear();
            }
        }
 public void SetGraphicParameters(Graphic g)
 {
     NameModTextBox.Text = g.Name;
     FunctionModComboBox.SelectedItem = g.Function.Formula;
     ParamAModTextBox.Text            = Convert.ToString(g.ParamA);
     ParamBModTextBox.Text            = Convert.ToString(g.ParamB);
     if (SecondGradeFunction.GetFormula().Equals(g.Function.Formula))
     {
         ParamCModTextBox.Visibility = Visibility.Visible;
         ParamCLabel.Visibility      = Visibility.Visible;
         ParamCModTextBox.Text       = Convert.ToString(g.ParamC);
     }
     else
     {
         ParamCModTextBox.Visibility = Visibility.Hidden;
         ParamCLabel.Visibility      = Visibility.Hidden;
         ParamCModTextBox.Clear();
     }
     ColorModColorPicker.SelectedColor = g.GraphicColor;
 }