轉載自：https://www.cnblogs.com/celery94/archive/2010/10/26/1861371.html

1.在什么地方找到NotifyIcon

普通的WPF控件基本上都是在該命名空間下：System.Windows.Controls，該命名空間在C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\PresentationFramework.dll下。也就是說是.net framework3.0之后才支持的。

那難道在WPF下就不能使用NotifyIcon了嗎？

在MSDN上有以下關于通知圖標的示例：http://msdn.microsoft.com/zh-cn/library/aa972170(VS.90).aspx

using System; using System.Windows;using System.Windows.Forms; // NotifyIcon control using System.Drawing; // Iconpublic partial class MainWindow : Window {NotifyIcon notifyIcon;public MainWindow(){InitializeComponent();}void click(object sender, RoutedEventArgs e){// Configure and show a notification icon in the system traythis.notifyIcon = new NotifyIcon();this.notifyIcon.BalloonTipText = "Hello, NotifyIcon!";this.notifyIcon.Text = "Hello, NotifyIcon!";this.notifyIcon.Icon = new System.Drawing.Icon("NotifyIcon.ico");this.notifyIcon.Visible = true;this.notifyIcon.ShowBalloonTip(1000);} }

其中包含NotifyIcon控件，請注意它的命名空間：System.Windows.Forms; ，該命名空間是在C:\Windows\Microsoft.NET\Framework\v2.0.50727\System.Windows.Forms.dll下。所以說此處使用的NotifyIcon控件其實是.net framework 2.0就提供的在winform下面是用的控件。

2.怎么使用NotifyIcon

App.xaml

<Application x:Class="NotifyIconStd.App"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"ShutdownMode="OnExplicitShutdown" Startup="ApplicationStartup" Exit="ApplicationExit"><Application.Resources></Application.Resources> </Application>

App.xaml.cs

using System; using System.Collections.Generic; using System.Configuration; using System.Data; using System.Linq; using System.Windows; using System.Windows.Forms; using Application = System.Windows.Application;namespace NotifyIconStd {public partial class App : Application{private static NotifyIcon trayIcon;private void ApplicationStartup(object sender, StartupEventArgs e){RemoveTrayIcon();AddTrayIcon();}private void AddTrayIcon(){if (trayIcon != null){return;}trayIcon = new NotifyIcon{Icon = new System.Drawing.Icon("notifyIcon.ico"),Text = "NotifyIconStd"};trayIcon.Visible = true;ContextMenu menu = new ContextMenu();MenuItem closeItem = new MenuItem();closeItem.Text = "Close";closeItem.Click += new EventHandler(delegate { this.Shutdown(); });MenuItem addItem = new MenuItem();addItem.Text = "Menu";menu.MenuItems.Add(addItem);menu.MenuItems.Add(closeItem);trayIcon.ContextMenu = menu; //設置NotifyIcon的右鍵彈出菜單}private void RemoveTrayIcon(){if (trayIcon != null){trayIcon.Visible = false;trayIcon.Dispose();trayIcon = null;}}private void ApplicationExit(object sender, ExitEventArgs e){RemoveTrayIcon();}} }

該示例程序程序只是在程序啟動時，同時啟動了一個NotifyIcon，沒有其他主程序界面，可以在MenuItem的事件中添加關于彈出其他窗口的處理。

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