基本信息
源码名称:C# 定时器示例源码(定时播放声音)
源码大小:0.19M
文件格式:.zip
开发语言:C#
更新时间:2019-01-27
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   源码介绍
定时器


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace counter
{
    public partial class Form1 : Form
    {
        int time; //全局变量
        int count;
        int sytime;
        public Form1()
        {
            InitializeComponent();
        }

        private void labeltime_Click(object sender, EventArgs e)
        {

        }

        private void Form1_Load(object sender, EventArgs e) /*主界面加载*/
        {
            //int i;
            //for (i = 0; i < 100; i  = 10)
            //{
            //    comboBox1.Items.Add(i.ToString()   " 秒");
            //}
            //comboBox1.Text = "1 秒";
           
        }

        private void buttonshow_Click(object sender, EventArgs e) //点击按钮事件
        {
            string data  = textBox1.Text;
            //string data = str.Substring (0,2);
            time = Convert.ToInt16(data);
            progressBar1.Maximum = time;
            timer1.Start();
        }

        private void timer1_Tick(object sender, EventArgs e)//定时器中断
        {
            count  ;//计秒加一
            sytime = time - count;//剩余时间
            labeltimeshow.Text = sytime.ToString ();
            progressBar1.Value = count;//进度条当前值
            if (count == time)
            {
                timer1.Stop();
                System.Media.SystemSounds.Asterisk.Play();/*系统声音*/
                MessageBox.Show("时间到啦", "警告");/*弹出对话框*/



            }

        }
    }
}