/// <summary>
/// Generates a random question
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnGenerateRandomConversionClick(object sender, RoutedEventArgs e)
{
ResetEverything();
var randomConversion = convertUtil.GenerateRandomConversion();
conversionCombobox.SelectedIndex = randomConversion.Item1;
value.Text = randomConversion.Item2;
}