private void enterButton_Click(object sender, EventArgs e)
{
aVehicle.Speed = Convert.ToDouble(speedTextBox.Text);
min = aVehicle.GetMinSpeed();
max = aVehicle.GetMaxSpeed();
average = aVehicle.GetAverage();
speedTextBox.Text = "";
}
private void showButton_Click(object sender, EventArgs e)
{
maximumTextBox.Text = aVehicle.Maximum.ToString();
minimumTextBox.Text = aVehicle.Minimum.ToString();
averageTextBox.Text = aVehicle.GetAverage().ToString();
}