//File: Page.xaml.cs using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; namespace SilverlightApplication3 { public partial class MainPage : UserControl { public MainPage() { InitializeComponent(); } private void Button_Click(object sender, RoutedEventArgs e) { Border b = new Border(); b.BorderBrush = new SolidColorBrush(Color.FromArgb(255, 128, 128, 128)); b.BorderThickness = new Thickness(5); TextBlock t = new TextBlock(); t.Margin = new Thickness(5); t.Text = "I am another tool tip"; b.Child = t; ToolTipService.SetToolTip(secondButton, b); } } }