Unnamed

<Window x:Class="Example.OMG"    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"    Title="Window1" Height="300" Width="300">    <Canvas>        <Canvas.Resources>            <Style x:Key="labelStyle">                <Style.Triggers>                    <Trigger Property="Label.IsMouseOver" Value="True">                        <Setter Property="Label.Background" Value="Yellow" />                    </Trigger>                </Style.Triggers>            </Style>        </Canvas.Resources>        <Label Canvas.Left="88" Canvas.Top="80" Height="23" Name="label1" Width="120" ToolTip="Zomg hi"  Style="{StaticResource labelStyle}">Label</Label>           </Canvas></Window>