NotifyIcon

1）Xaml

             <wd:NotifyIcon Title="WPFDevelopers" Name="WpfNotifyIcon">
                <wd:NotifyIcon.ContextMenu>
                    <ContextMenu>
                        <MenuItem Header="托盘消息" Click="SendMessage_Click"/>
                        <MenuItem Header="闪烁" Name="menuItemTwink"  Click="Twink_Click"/>
                        <MenuItem Header="关于" Click="About_Click">
                            <MenuItem.Icon>
                                <Path Data="{StaticResource PathWarning}" 
                                      Fill="{DynamicResource PrimaryNormalSolidColorBrush}"
                                      Stretch="Uniform" Height="20" Width="20"/>
                            </MenuItem.Icon>
                        </MenuItem>
                        <MenuItem Header="退出" Click="Quit_Click"/>
                    </ContextMenu>
                </wd:NotifyIcon.ContextMenu>
            </wd:NotifyIcon>

2. CSharp

private void Quit_Click(object sender, RoutedEventArgs e)
        {
            Application.Current.Shutdown();
        }

        private void About_Click(object sender, RoutedEventArgs e)
        {
            new AboutWindow().Show();
        }

        private void SendMessage_Click(object sender, RoutedEventArgs e)
        {
            NotifyIcon.ShowBalloonTip("Message", " Welcome to WPFDevelopers",NotifyIconInfoType.None);
        }

        private void Twink_Click(object sender, RoutedEventArgs e)
        {
            WpfNotifyIcon.IsTwink = !WpfNotifyIcon.IsTwink;
            menuItemTwink.IsChecked = WpfNotifyIcon.IsTwink;
        }