物件導向C# - 計時器(visual studio)
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 WindowsFormsApplication1
{
public partial class Form1 : Form
{
DateTime dtNext;
public Form1()
{
InitializeComponent();
}
private void timer1_Tick(object sender, EventArgs e)
{
textBox1.Text = DateTime.Now.ToString();
TimeSpan MySpan = dtNext.Subtract(DateTime.Now);
string diffHour = Convert.ToString(MySpan.Hours);
string diffMin = Convert.ToString(MySpan.Minutes);
string diffSec = Convert.ToString(MySpan.Seconds);
label1.Text = "還有" + diffHour + " 時 " + diffMin + " 分 " + diffSec + " 秒 ";
}
private void Form1_Load(object sender, EventArgs e)
{
dtNext = DateTime.Now.AddHours(2);
timer1.Start();
}
private void label1_Click(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
timer1.Enabled = true;
}
private void button2_Click(object sender, EventArgs e)
{
timer1.Enabled = false;
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
}
}
}
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