<Window x:Class="ControlTemplateDemo.MainWindow"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525">
<Window.Resources>
<ControlTemplate x:Key="ButtonTemplate" TargetType="Button">
<Border Name="border" BorderBrush="Yellow" Background="Red" BorderThickness="2">
<ContentPresenter Margin="5" HorizontalAlignment="Center" VerticalAlignment="Center" TextBlock.Foreground="White"></ContentPresenter>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="true">
<Setter TargetName="border" Property="Background" Value="Green"></Setter>
</Trigger>
<Trigger Property="IsPressed" Value="true">
<Setter TargetName="border" Property="Background" Value="Blue"></Setter>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Window.Resources>
<StackPanel Margin="5">
<Button Margin="5">normal</Button>
<Button Margin="5" Template="{StaticResource ButtonTemplate}">Template</Button>
</StackPanel>
</Window>