//完整的定时器程序public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
Timer vTimer = new Timer();
vTimer.Interval = 1000;
vTimer.Enabled = true;
vTimer.Tick += new EventHandler(vTimer_Tick);
Text = DateTime.Now.ToString();
} void vTimer_Tick(object sender, EventArgs e)
{
Text = DateTime.Now.ToString();
}
}
{
public Form1()
{
InitializeComponent();
Timer vTimer = new Timer();
vTimer.Interval = 1000;
vTimer.Enabled = true;
vTimer.Tick += new EventHandler(vTimer_Tick);
Text = DateTime.Now.ToString();
} void vTimer_Tick(object sender, EventArgs e)
{
Text = DateTime.Now.ToString();
}
}
用timer控件,检测时间后触发事件
timer控件
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace NoticePad
{
/// <summary>
/// 定时提醒的小工具。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Timer timer1;
private System.Windows.Forms.NumericUpDown ndHour;
private System.Windows.Forms.NumericUpDown ndMinute;
private System.Windows.Forms.Button btn_OK;
private System.ComponentModel.IContainer components;
public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent();
//
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
}
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.ndHour = new System.Windows.Forms.NumericUpDown();
this.ndMinute = new System.Windows.Forms.NumericUpDown();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.btn_OK = new System.Windows.Forms.Button();
this.timer1 = new System.Windows.Forms.Timer(this.components);
((System.ComponentModel.ISupportInitialize)(this.ndHour)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.ndMinute)).BeginInit();
this.SuspendLayout();
//
// ndHour
//
this.ndHour.Location = new System.Drawing.Point(6, 6);
this.ndHour.Maximum = new System.Decimal(new int[] {
23,
0,
0,
0});
this.ndHour.Name = "ndHour";
this.ndHour.Size = new System.Drawing.Size(36, 21);
this.ndHour.TabIndex = 0;
//
// ndMinute
//
this.ndMinute.Location = new System.Drawing.Point(84, 6);
this.ndMinute.Maximum = new System.Decimal(new int[] {
59,
0,
0,
0});
this.ndMinute.Name = "ndMinute";
this.ndMinute.Size = new System.Drawing.Size(36, 21);
this.ndMinute.TabIndex = 1;
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(48, 12);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(17, 17);
this.label1.TabIndex = 2;
this.label1.Text = "时";
//
// label2
//
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(132, 12);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(17, 17);
this.label2.TabIndex = 3;
this.label2.Text = "分";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(6, 31);
this.textBox1.Multiline = true;
this.textBox1.Name = "textBox1";
this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
this.textBox1.Size = new System.Drawing.Size(276, 156);
this.textBox1.TabIndex = 4;
this.textBox1.Text = "写入提醒的内容......";
//
// btn_OK
//
this.btn_OK.Location = new System.Drawing.Point(174, 6);
this.btn_OK.Name = "btn_OK";
this.btn_OK.Size = new System.Drawing.Size(102, 19);
this.btn_OK.TabIndex = 5;
this.btn_OK.Text = "确定并隐藏";
this.btn_OK.TextAlign = System.Drawing.ContentAlignment.TopCenter;
this.btn_OK.Click += new System.EventHandler(this.btn_OK_Click);
//
// timer1
//
this.timer1.Interval = 1;
this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(289, 194);
this.Controls.Add(this.btn_OK);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Controls.Add(this.ndMinute);
this.Controls.Add(this.ndHour);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
this.MaximizeBox = false;
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "提醒工具";
((System.ComponentModel.ISupportInitialize)(this.ndHour)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.ndMinute)).EndInit();
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private System.DateTime dtDes;
// 定时周期的检查是否到了提醒的时间了。
private void timer1_Tick(object sender, System.EventArgs e)
{
if (DateTime.Now > dtDes)
{
timer1.Enabled = false;
this.Show();
this.Activate();
}
}
// 确定提醒的时间,然后隐藏该工具。
private void btn_OK_Click(object sender, System.EventArgs e)
{
dtDes = new DateTime(
DateTime.Today.Year,
DateTime.Today.Month,
DateTime.Today.Day,
(int)ndHour.Value,
(int)ndMinute.Value,
0,0);
timer1.Enabled = true;
this.Hide();
}
}
}