<Window x:Class="ApplyTemplateToControl.MainWindow"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"Title="MainWindow" Height="200" Width="300"><Window.Resources><ControlTemplate x:Key="ButtonTemplate" TargetType="{x:Type Button}"><Border x:Name="border" BorderBrush="Orange" BorderThickness="3" CornerRadius="10" Background="Red" TextBlock.Foreground="White"><Grid><Rectangle Name="focusCue" Visibility="Hidden" Stroke="Black" StrokeThickness="1" StrokeDashArray="1 2" SnapsToDevicePixels="True"></Rectangle><ContentPresenter RecognizesAccessKey="True" Margin="{TemplateBinding Padding}"></ContentPresenter></Grid></Border><ControlTemplate.Triggers><Trigger Property="IsMouseOver" Value=http://www.mamicode.com/"True"><Setter TargetName="border" Property="Background" Value=http://www.mamicode.com/"DarkRed"></Setter></Trigger><Trigger Property="IsPressed" Value=http://www.mamicode.com/"True"><Setter TargetName="border" Property="Background" Value=http://www.mamicode.com/"IndianRed"></Setter><Setter TargetName="border" Property="BorderBrush" Value=http://www.mamicode.com/"DarkKhaki"></Setter></Trigger><Trigger Property="IsKeyboardFocused" Value=http://www.mamicode.com/"True"><Setter TargetName="focusCue" Property="Visibility" Value=http://www.mamicode.com/"Visible"></Setter></Trigger><Trigger Property="IsEnabled" Value=http://www.mamicode.com/"False"><Setter TargetName="border" Property="Background" Value=http://www.mamicode.com/"MistyRose"></Setter><Setter TargetName="border" Property="TextBlock.Foreground" Value=http://www.mamicode.com/"Gray"></Setter></Trigger></ControlTemplate.Triggers></ControlTemplate></Window.Resources><StackPanel Margin="5"><Button x:Name="btnWithTemplate" Margin="5" Padding="5" Content="Button with custom template (Click _Me)" Click="btnWithTemplate_Click" HorizontalAlignment="Left" Template="{StaticResource ButtonTemplate}"></Button><Button Margin="5" Padding="5" Content="Button with default template" HorizontalAlignment="Right"></Button><Button x:Name="btnReset" Margin="5" Padding="5" Content="Reset button with custom template" Click="btnReset_Click"></Button></StackPanel></Window>