System Tray App : System Tray Icon : GUI Windows Form C# Source Code

    

/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald

Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

namespace SystemTrayApp
{
  /// <summary>
  /// Summary description for SystemTrayApp.
  /// </summary>
  public class SystemTrayApp : System.Windows.Forms.Form
  {
    internal System.Windows.Forms.Label Label1;
    internal System.Windows.Forms.Button cmdClose;
    internal System.Windows.Forms.ListBox lstFiles;
    /// <summary>
    /// Required designer variable.
    /// </summary>
    private System.ComponentModel.Container components = null;

    public SystemTrayApp()
    {
      //
      // Required for Windows Form Designer support
      //
      InitializeComponent();

      //
      // TODO: Add any constructor code after InitializeComponent call
      //
    }

    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    protected override void Dispose( bool disposing )
    {
      if( disposing )
      {
        if(components != null)
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }

    #region Windows Form Designer generated code
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    private void InitializeComponent()
    {
      this.Label1 = new System.Windows.Forms.Label();
      this.cmdClose = new System.Windows.Forms.Button();
      this.lstFiles = new System.Windows.Forms.ListBox();
      this.SuspendLayout();
      // 
      // Label1
      // 
      this.Label1.Location = new System.Drawing.Point(10, 7);
      this.Label1.Name = "Label1";
      this.Label1.Size = new System.Drawing.Size(140, 16);
      this.Label1.TabIndex = 5;
      this.Label1.Text = "Recently created files:";
      // 
      // cmdClose
      // 
      this.cmdClose.Anchor = (System.Windows.Forms.AnchorStyles.Bottom | 
                      System.Windows.Forms.AnchorStyles.Right);
      this.cmdClose.FlatStyle = System.Windows.Forms.FlatStyle.System;
      this.cmdClose.Location = new System.Drawing.Point(162, 203);
      this.cmdClose.Name = "cmdClose";
      this.cmdClose.Size = new System.Drawing.Size(88, 24);
      this.cmdClose.TabIndex = 4;
      this.cmdClose.Text = "Close";
      this.cmdClose.Click += new System.EventHandler(this.cmdClose_Click);
      // 
      // lstFiles
      // 
      this.lstFiles.Anchor = (((System.Windows.Forms.AnchorStyles.Top | 
                         System.Windows.Forms.AnchorStyles.Bottom) 
        | System.Windows.Forms.AnchorStyles.Left) 
        | System.Windows.Forms.AnchorStyles.Right);
      this.lstFiles.IntegralHeight = false;
      this.lstFiles.Location = new System.Drawing.Point(10, 27);
      this.lstFiles.Name = "lstFiles";
      this.lstFiles.Size = new System.Drawing.Size(240, 168);
      this.lstFiles.TabIndex = 3;
      // 
      // SystemTrayApp
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
      this.ClientSize = new System.Drawing.Size(260, 234);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                this.Label1,
                 this.cmdClose,
                  this.lstFiles});
      this.Font = new System.Drawing.Font("Tahoma", 8.25F, 
                         System.Drawing.FontStyle.Regular, 
                         System.Drawing.GraphicsUnit.Point, 
                         ((System.Byte)(0)));
      this.Name = "SystemTrayApp";
      this.Text = "SystemTrayApp";
      this.ResumeLayout(false);

    }
    #endregion

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

    public void FillList(ArrayList list)
    {
      lstFiles.DataSource = list;
    }

  }
}
//====================================================================
//====================================================================

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


namespace SystemTrayApp
{
  public class App
  {
    // Define the system tray icon control.
    private NotifyIcon appIcon = new NotifyIcon();

    // Define the menu.
    private ContextMenu sysTrayMenu = new ContextMenu();
    private MenuItem displayFiles = new MenuItem("Display New Files");
    private MenuItem exitApp = new MenuItem("Exit");

    // Define the file system watcher, and a list to store filenames.
    private FileSystemWatcher watch = new FileSystemWatcher();
    private ArrayList newFiles = new ArrayList();

    public void Start()
    {
      // Configure the system tray icon.
      Icon ico = new Icon("icon.ico");
      appIcon.Icon = ico;
      appIcon.Text = "My .NET Application";


       // Place the menu items in the menu.
       sysTrayMenu.MenuItems.Add(displayFiles);
      sysTrayMenu.MenuItems.Add(exitApp);
      appIcon.ContextMenu = sysTrayMenu;

      // Show the system tray icon.
      appIcon.Visible = true;

      // Hook up the file watcher.
      watch.Path = "c:\\";
      watch.IncludeSubdirectories = true;
      watch.EnableRaisingEvents = true;

      // Attach event handlers.
      watch.Created += new FileSystemEventHandler(FileCreated);
      displayFiles.Click += new EventHandler(DisplayFiles);
      exitApp.Click += new EventHandler(ExitApp);

    }

    private void FileCreated(object sender, System.IO.FileSystemEventArgs e)
    {
      newFiles.Add(e.Name);
    }
    private void ExitApp(object sender, System.EventArgs e)
    {
      Application.Exit();
    }

    private void DisplayFiles(object sender, System.EventArgs e)
    {
      FileList frmFileList = new FileList();
      frmFileList.FillList(newFiles);
      frmFileList.Show();
    }

    public static void Main()
    {
      App app = new App();
      app.Start();

      // Because no forms are being displayed, you need this 
      // statement to stop the application from automatically ending.
      Application.Run();
    }

  }


}