(C# Windows Forms Apps) 如何重启应用程序

Question

我刚刚完成了 Head First C# 的练习，我在其中构建了一个打字游戏。这本书将它留给 reader 来弄清楚如何制作它，以便玩家在输掉游戏后可以开始新游戏。用户输掉游戏后，window 显示消息 "Game Over"。我想弹出一个新的 window 并询问用户是否愿意在他们关闭游戏后再次玩游戏。我想要两个按钮；一个说 "no"，一个说 "yes"。我坚持的是如果用户决定他们想再次玩，我应该（或将）如何重新启动应用程序。我将复制并粘贴下面的代码：

namespace _7HeadFirstProject
{
    public partial class Form1 : Form
    { 
        Random random = new Random();
        Stats stats = new Stats();

        public Form1()
        {
            InitializeComponent();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            // Add a random key to the ListBox
            listBox1.Items.Add((Keys)random.Next(65, 90));
            if (listBox1.Items.Count > 7)
            {
                listBox1.Items.Clear();
                listBox1.Items.Add("Game Over");
                timer1.Stop();
            }
        }

        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {
            // If the user pressed a key that's in the ListBox... 
            // ... remove it and then make the game a little faster
            if (listBox1.Items.Contains(e.KeyCode))
            {
                listBox1.Items.Remove(e.KeyCode);
                listBox1.Refresh();
                if (timer1.Interval > 400)
                    timer1.Interval -= 10;
                if (timer1.Interval > 250)
                    timer1.Interval -= 7;
                if (timer1.Interval > 100)
                    timer1.Interval -= 2;
                difficultyProgressBar.Value = 800 - timer1.Interval;

                // The user pressed a correct key, so update the Stats object...
                // ...by calling its Update() method with the argument true
                stats.Update(true);
            }
            else
            {
                // The user pressed an incorrect key, so update the Stats object...
                // ...by calling its Update() method with the argument false
                stats.Update(false);
            }

            // Update the labels on the StatusStrip
            correctLabel.Text = "Correct: " + stats.Correct;
            missedLabel.Text = "Missed: " + stats.Missed;
            totalLabel.Text = "Total: " + stats.Total;
            accuracyLabel.Text = "Accuracy: " + stats.Accuracy + "%";
        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            MessageBox.Show("Would you like to play again?");
            if

        }
    }
}

不同 CLASS:

namespace _7HeadFirstProject
{
    class Stats
    {
        public int Total = 0;
        public int Missed = 0;
        public int Correct = 0;
        public int Accuracy = 0;

        public void Update(bool correctKey)
        {
            Total++;

            if (!correctKey)
            {
                Missed++;
            }
            else
            {
                Correct++;
            }

            Accuracy = 100 * Correct / Total;
        }
    }
}

Answer 1

试试这个：

   if ((MessageBox.Show("Would you like to play again?", "Message", MessageBoxButtons.YesNo)) ==
                DialogResult.Yes)
  { 
     Application.Restart();
  }

Answer 2

你的整个游戏都在运作，所以不要管那个表格。将另一个窗体添加到您的项目，然后将新窗体设置为启动窗体。您可以通过打开Program.cs并修改此行来将其设置为启动窗体：

 // Instead of Form1 put the name of your new form
Application.Run(new Form1());

双击新表单并将此代码放入其中：

// Note: Your load method may have a different name.
private void Form2_Load(object sender, EventArgs e)
{
    this.StartNewGame();
}

private void GameForm_FormClosed(object sender, FormClosedEventArgs e)
{
    if (MessageBox.Show("Continue?", "Continue?", MessageBoxButtons.YesNo) == DialogResult.Yes)
    {
        this.StartNewGame();
    }
}

private void StartNewGame()
{
    // Your game form may have a different name so change this to that name
    var gameForm = new Form2();
    gameForm.FormClosed += GameForm_FormClosed;
    gameForm.Show();
}

每次用户按下对话框中的“是”按钮时，您都在创建一个全新的（游戏的）表单实例。在这个新表单中，您还可以有一个数组来跟踪游戏总数和每场游戏的分数，以便在用户选择否时显示它。您只需要这样的东西：

var games = new List<Stats>();
// keep adding to it every time you call StartNewGame() method.

(C# Windows Forms Apps) 如何重启应用程序

(C# Windows Forms Apps) How to Restart App

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