ButtonTemplateWithEvents

Main.xaml

 <ControlTemplate TargetType="{x:Type Button}">
                        <Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="true">
                            <ContentPresenter x:Name="contentPresenter" Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
                                <ContentPresenter.Content>
                                    <StackPanel>
                                        <Button Content="{TemplateBinding Content}" Click="Button_Click"></Button>
                                        <Button Content="{TemplateBinding Content}" Click="Button_Click_1"></Button>
                                    </StackPanel>
                                </ContentPresenter.Content>
                            </ContentPresenter>
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsDefaulted" Value="true">
                                <Setter Property="BorderBrush" TargetName="border" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
                            </Trigger>
                            <Trigger Property="IsMouseOver" Value="true">
                                <Setter Property="Background" TargetName="border" Value="{StaticResource Button.MouseOver.Background}"/>
                                <Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.MouseOver.Border}"/>
                            </Trigger>
                            <Trigger Property="IsPressed" Value="true">
                                <Setter Property="Background" TargetName="border" Value="{StaticResource Button.Pressed.Background}"/>
                                <Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Pressed.Border}"/>
                            </Trigger>
                            <Trigger Property="IsEnabled" Value="false">
                                <Setter Property="Background" TargetName="border" Value="{StaticResource Button.Disabled.Background}"/>
                                <Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Disabled.Border}"/>
                                <Setter Property="TextElement.Foreground" TargetName="contentPresenter" Value="{StaticResource Button.Disabled.Foreground}"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>

<Grid>
    <Button Content="Text" Style="{DynamicResource ButtonStyle1}" Click="Button_Click_2"></Button>
</Grid>

Main.xaml.cs

public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            System.Diagnostics.Debug.WriteLine("I m the template button 1");
        }

        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            System.Diagnostics.Debug.WriteLine("I m the template button 2");
        }

        private void Button_Click_2(object sender, RoutedEventArgs e)
        {
            System.Diagnostics.Debug.WriteLine("I m the main button");
        }
    }

output.log

I m the template button 1
I m the main button
I m the template button 2
I m the main button