/// <summary>
/// Initializes the buttons.
/// </summary>
private void InitializeButtons()
{
newGame = new NewGame();
activeComponents.AddFirst(newGame);
highScore = new HighScoreButton();
activeComponents.AddAfter(activeComponents.Find(newGame), highScore);
quit = new Quit();
activeComponents.AddLast(quit);
resume = new Resume();
upgrade = new UpgradeButton();
menuButtonKlein = new MenuButtonKlein();
resumeKlein = new ResumeKlein();
mainMenu = new MainMenu();
yesButton = new YesButton();
noButton = new NoButton();
upgradeEcoWall = new UpgradeEcoWall();
upgradeEcoHelp = new UpgradeEcoHelp();
upgradeOilWall = new UpgradeOilWall();
upgradeOilHelp = new UpgradeOilHelp();
upgradeWeaponMagnum = new UpgradeWeaponMagnum();
upgradeWeaponRifle = new UpgradeWeaponRifle();
upgradeWeaponShotgun = new UpgradeWeaponShotgun();
submitHighscore = new SubmitHighscore();
upgradeButtonIG = new UpgradeButtonInGame();
}