MailDispatcher and NotifyIcon : Dispatcher « Windows Presentation Foundation « C# / CSharp Tutorial






<Window x:Class="ActivationSample.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="ActivationSample"
    >
  <Grid>
    <ListBox Name="mailListBox" />
  </Grid>
</Window>
//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Windows.Forms;
using System.Windows.Threading;

namespace ActivationSample
{
    public partial class MainWindow : Window
    {
        private bool isActive;
        private MailDispatcher mailDispatcher = new MailDispatcher();
        private NotifyIcon newMailNotifyIcon = new NotifyIcon();

        public MainWindow()
        {
            InitializeComponent();

            this.mailDispatcher.MailDispatched += mailDispatcher_MailDispatched;
            this.mailDispatcher.Start();
           // this.newMailNotifyIcon.Icon = ActivationSample.Properties.Resources.NewMailIcon;            
            this.isActive = true;
            this.newMailNotifyIcon.Visible = false;

        }

        public void AddMailItem(string data)
        {
            this.mailListBox.Items.Add(data);
        }

        void mailDispatcher_MailDispatched(object sender, EventArgs e)
        {
            ((MainWindow)this).AddMailItem(DateTime.Now.ToString());
            if (!this.isActive && this.newMailNotifyIcon.Visible == false)
            {
                this.newMailNotifyIcon.Visible = true;
            }
        }
//        void App_Deactivated(object sender, EventArgs e)
  //      {
    //        this.isActive = false;
      //  }

//        void App_Exit(object sender, ExitEventArgs e)
  //      {
    //        this.mailDispatcher.Stop();
      //  }        
    }

    public class MailDispatcher
    {
        DispatcherTimer timer;

        public event EventHandler MailDispatched;

        public void Start()
        {
            this.timer = new DispatcherTimer();
            timer.Tick += timer_Tick;
            timer.IsEnabled = true;
            timer.Interval = new TimeSpan(0, 0, 5);
        }

        public void Stop()
        {
            this.timer.IsEnabled = false;
            this.timer.Tick -= timer_Tick;
            this.timer = null;
        }

        void timer_Tick(object sender, EventArgs e)
        {
            if (MailDispatched != null) MailDispatched(this, EventArgs.Empty);
        }
    }    
}
WPF Mail Dispatcher And Notify Icon








24.124.Dispatcher
24.124.1.Unblock Thread with Dispatcher.BeginInvokeUnblock Thread with Dispatcher.BeginInvoke
24.124.2.DispatcherTimer and EventHandlerDispatcherTimer and EventHandler
24.124.3.Dispatcher.BeginInvoke with DispatcherPriority.NormalDispatcher.BeginInvoke with DispatcherPriority.Normal
24.124.4.Use DispatcherTimer to change Dependency PropertyUse DispatcherTimer to change Dependency Property
24.124.5.Dispatcher ExamplesDispatcher Examples
24.124.6.Using a DispatcherTimerUsing a DispatcherTimer
24.124.7.MailDispatcher and NotifyIconMailDispatcher and NotifyIcon
24.124.8.Using DispatcherTimer to trigger event