ToolTip with List items
<Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="WPF" Height="150" Width="300"> <StackPanel Name="stackPanel1"> <Button Content="Button with a Richer ToolTip" Height="23" Margin="10" Name="button2" Width="175"> <Button.ToolTip> <StackPanel Name="stackPanel2" Width="200"> <Label Name="label1" HorizontalAlignment="Left"> List of Things: </Label> <ListBox Name="listBox1" Margin="10" > <ListBoxItem>Thing 1</ListBoxItem> <ListBoxItem>Thing 2</ListBoxItem> <ListBoxItem>Thing 3</ListBoxItem> </ListBox> </StackPanel> </Button.ToolTip> </Button> </StackPanel> </Window>