form1.cs

C#150例

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace Example011_使用任务栏的状态区
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.NotifyIcon notifyIcon1;
		private System.Windows.Forms.ContextMenu contextMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.Timer timer1;
		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.notifyIcon1 = new System.Windows.Forms.NotifyIcon(this.components);
			this.contextMenu1 = new System.Windows.Forms.ContextMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.timer1 = new System.Windows.Forms.Timer(this.components);
			// 
			// notifyIcon1
			// 
			this.notifyIcon1.ContextMenu = this.contextMenu1;
			this.notifyIcon1.Text = "notifyIcon1";
			this.notifyIcon1.Visible = true;
			// 
			// contextMenu1
			// 
			this.contextMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.menuItem1});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.Text = "Exit";
			this.menuItem1.Click += new System.EventHandler(this.menuItem1_Click);
			// 
			// timer1
			// 
			this.timer1.Enabled = true;
			this.timer1.Interval = 1000;
			this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(272, 213);
			this.Name = "Form1";
			this.Text = "Form1";
			this.Load += new System.EventHandler(this.Form1_Load);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		public static void Main() 
		{
//			Application.Run(new Form1());
			Form1 f1 = new Form1();
			System.Windows.Forms.MessageBox.Show("The application "
				+ "is running now, but no forms have been shown.");
			f1.Text = "Running Form";
			Application.Run();
			//f1.Hide(); 
			//f1.ShowDialog();
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			notifyIcon1.Icon = new System.Drawing.Icon("..\\..\\BICYCLE.ICO");
			notifyIcon1.Visible = true;
			notifyIcon1.Text = "BICYCLE";
		}

		private void menuItem1_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		private void timer1_Tick(object sender, System.EventArgs e)
		{
			if (notifyIcon1.Text == "BICYCLE")
			{
				notifyIcon1.Icon = new System.Drawing.Icon("..\\..\\CARS.ICO");
				notifyIcon1.Text="CARS";

			}
			else
			{
				notifyIcon1.Icon = new System.Drawing.Icon("..\\..\\BICYCLE.ICO");
				notifyIcon1.Text="BICYCLE";
			}
		}
	}
}