/// <summary>
/// Adds a penalty to the specified line.
/// </summary>
/// <param name="line">Line to add the croissant.</param>
private void AddPenalty(Line line)
{
// Empty the information message.
InformationMessage = string.Empty;
// Add the penalty to the line.
line.AddPenalty(ProcessedDate);
// Check the commands: they state can change due to the added penalty.
CheckCommands();
}
