版权声明:版权归剑云工作室所有 https://blog.csdn.net/qq_40456829/article/details/82491580
这个简单计时器的功能如下:
- 1、点击开始,进行计时,此时开始按钮灰度,停止和重置按钮正常运行。
- 2、点击停止按钮,计时停止,此时停止按钮灰度,开始和重置按钮正常运行。
- 3、点击重置按钮,无论当前是计时状态还是停止状态,均恢复至开始计时初始界面。
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 Exercise
{
public partial class 计时器 : Form
{
private DateTime timeSum;
public 计时器()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
this.timeSum = new DateTime(0); //开始显示时间 0.0.0:0
this.label1.Text = timeSum.Hour + "." + timeSum.Minute + "." + timeSum.Second + ":" + timeSum.Millisecond;
this.button2.Enabled = false;
}
private void IncreaseTime(double seconds)
{
this.timeSum = this.timeSum.AddSeconds(seconds);
this.label1.Text = timeSum.Hour + "." + timeSum.Minute + "." + timeSum.Second + ":" + timeSum.Millisecond;
}
private void timer1_Tick(object sender, EventArgs e)
{
this.IncreaseTime(0.1);
}
private void button1_Click(object sender, EventArgs e)
{
this.timer1.Start();
this.button1.Enabled = false;
this.button2.Enabled = true;
}
private void button2_Click(object sender, EventArgs e)
{
this.timer1.Stop();
this.button1.Enabled = true;
this.button2.Enabled = false;
}
private void button3_Click(object sender, EventArgs e)
{
this.timeSum = new DateTime(0); //开始显示时间 0.0.0:0
this.timer1.Stop();
this.label1.Text = timeSum.Hour + "." + timeSum.Minute + "." + timeSum.Second + ":" + timeSum.Millisecond;
this.button1.Enabled = true;
this.button2.Enabled = true;
}
}
}