C#线程幸运数摇奖机小程序

骑猪看日落 2022-12-08 04:21 180阅读 0赞

using System;
    using System.Threading;
    using System.Windows.Forms;
    
    namespace Ernie
    {
        public partial class MainForm : Form
        {
            public MainForm()
            {
                InitializeComponent();
            }
    
            bool flag = false;
    
            private void btnStart_Click(object sender, EventArgs e)
            {
                if (flag == false)
                {
                    flag = true;
                    btnStart.Text = "停 止 摇 奖";
                    Thread th = new Thread(PlayGame);
                    th.IsBackground = true; // 后台线程
                    th.Start();
                }
                else
                {
                    flag = false;
                    btnStart.Text = "开 始 摇 奖";
                }
            }
    
            private void PlayGame() 
            {
                Random rd = new Random();
                while (flag)
                {
                    lbl01.Text = rd.Next(0, 10).ToString();
                    lbl02.Text = rd.Next(0, 10).ToString();
                    lbl03.Text = rd.Next(0, 10).ToString();
                }
            }
    
            private void MainForm_Load(object sender, EventArgs e)
            {
                // 取消跨线程检查
                Control.CheckForIllegalCrossThreadCalls = false;
            }
        }
    }

运行示例：

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