CSharp .NET Notification

Class TransDialog.cs

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

namespace CSharpNetNotification
{
    /// <summary>
    /// Base class that gives any form that derives from it the effect of slowly 
    /// appearing and then disapperaing. Much like outlook email notification pop-ups
    /// </summary>
    public class TransDialog : System.Windows.Forms.Form
    {
        #region Constructor
        public TransDialog()
        {
   InitializeComponents();
        }
  public TransDialog(bool disposeAtEnd)
  {
   m_bDisposeAtEnd = disposeAtEnd;
            InitializeComponents();
  }
        void InitializeComponents()
  {
            this.components = new System.ComponentModel.Container();
            this.m_clock =  new Timer(this.components);
            this.m_clock.Interval = 100;
            this.SuspendLayout();
            //m_clock
            this.m_clock.Tick += new EventHandler(Animate);
            //TransDialog
            this.Load += new EventHandler(TransDialog_Load);
            this.Closing += new CancelEventHandler(TransDialog_Closing);
            this.ResumeLayout(false);
            this.PerformLayout();
  }
        #endregion

        #region Event handlers
        private void TransDialog_Load(object sender, EventArgs e)
        {
            this.Opacity = 0.0;
            m_bShowing = true;

            m_clock.Start();
        }

        private void TransDialog_Closing(object sender, CancelEventArgs e)
        {
   if (!m_bForceClose)
   {
    m_origDialogResult = this.DialogResult;
    e.Cancel = true;
    m_bShowing = false;
    m_clock.Start();
   }
   else
   {
    this.DialogResult = m_origDialogResult;
   }
        }

        #endregion

        #region Private methods
        private void Animate(object sender, EventArgs e)
        {
            if (m_bShowing)
            {
                if (this.Opacity < 1)
                {
                    this.Opacity += 0.1;
                }
                else
                {
                    m_clock.Stop();
                }
            }
            else
            {
                if (this.Opacity > 0)
                {
                    this.Opacity -= 0.1;
                }
                else
                {
                    m_clock.Stop();
                    m_bForceClose = true;
                    this.Close();
     if (m_bDisposeAtEnd)
      this.Dispose();
                }
            }
        }

        #endregion

        #region overrides
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }
        #endregion

        #region private variables
        private System.ComponentModel.IContainer components = null;
        private Timer m_clock;
        private bool m_bShowing = true;
        private bool m_bForceClose = false;
  private DialogResult m_origDialogResult;
  private bool m_bDisposeAtEnd = false;
        #endregion // private variables

    }
}

Class Notification.cs

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
namespace CSharpNetNotification
{
 public class Notification : TransDialog
 {
        #region Ctor, init code and dispose
  public Notification()
            : base(true)
  {
   InitializeComponent();
  }
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if(components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }
        #endregion // Ctor and init code
        #region Event handler
        private void Notification_Load(object sender, System.EventArgs e)
        {
            int screenWidth = Screen.PrimaryScreen.WorkingArea.Width;
            int screenHeight = Screen.PrimaryScreen.WorkingArea.Height;
            this.Left = screenWidth - this.Width;
            this.Top = screenHeight - this.Height;
            timer1.Enabled = true;
        }
        private void timer1_Tick(object sender, System.EventArgs e)
        {
            this.Close();
        }
        private void linkLabel1_LinkClicked(object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e)
        {
            string link = e.Link.LinkData.ToString();
            if (link != null && link.Length > 0)
                System.Diagnostics.Process.Start(link);
        }
        #endregion // Event handler
       
        #region Windows Form Designer generated code
  ///

  /// Required method for Designer support - do not modify
  /// the contents of this method with the code editor.
  ///

  private void InitializeComponent()
  {
            this.components = new System.ComponentModel.Container();
            this.timer1 = new System.Windows.Forms.Timer(this.components);
            this.pictureBox1 = new System.Windows.Forms.PictureBox();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
            this.SuspendLayout();
            //
            // timer1
            //
            this.timer1.Interval = 3000;
            this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
            //
            // pictureBox1
            //
            this.pictureBox1.Image = global::CSharpNetNotification.Properties.Resources.welcome;
            this.pictureBox1.Location = new System.Drawing.Point(0, 0);
            this.pictureBox1.Name = "pictureBox1";
            this.pictureBox1.Size = new System.Drawing.Size(492, 181);
            this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
            this.pictureBox1.TabIndex = 0;
            this.pictureBox1.TabStop = false;
            //
            // Notification
            //
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.BackColor = System.Drawing.Color.White;
            this.ClientSize = new System.Drawing.Size(489, 180);
            this.Controls.Add(this.pictureBox1);
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
            this.Name = "Notification";
            this.Text = "Notification";
            this.TopMost = true;
            this.Load += new System.EventHandler(this.Notification_Load);
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
            this.ResumeLayout(false);
        }
  #endregion
        #region Designer generated variables
        private System.Windows.Forms.Timer timer1;
        private PictureBox pictureBox1;
        private System.ComponentModel.IContainer components;
        #endregion
 }
}
Code source par ici: CSharp.NETNotification