Trigger animations of other controls - wpf

Question

I'm currently experimenting with WPF/XAML animations.
In doing so, the question arose whether it was possible: by hovering over one control element, to trigger the animation of another control element?
Example:
When I hover over Label1, the background of Label2 turns yellow and Label3 turns red.
My Try:
<UserControl.Resources>
<Style TargetType="{x:Type Label}" x:Key="styleOfButtonOne">
<Setter Property="Background" Value="White"/>
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" Value="Red" TargetName="btn_Two"/>
<Setter Property="Background" Value="Green" TargetName="btn_Three"/>
</Trigger>
</Style.Triggers>
</Style>
</UserControl.Resources>
<Grid>
<StackPanel Orientation="Vertical">
<Label x:Name="btn_One" Content="Button One" Style="{StaticResource styleOfButtonOne}"/>
<Label x:Name="btn_Two" Content="Button Two"/>
<Label x:Name="btn_Three" Content="Button Three"/>
</StackPanel>
</Grid>

Answer 1

In your case i would just solve this programmatically.
C#
private void btn_oneEnter(object sender, MouseEventArgs e) {
btn_two.Background = new SolidColorBrush(Colors.Red); //To whatever color you want on hover
}
private void btn_oneLeave(object sender, MouseEventArgs e) {
btn_two.Background = new SolidColorBrush(Colors.White); //To its original color
}
XAML
<Label x:Name="btn_One" Content="Button One" mouseEnter="btn_oneEnter" mouseLeave="btn_oneLeave" mo Style="{StaticResource styleOfButtonOne}"/>
Not the prettiest solution but quite simple. Just add mouse events to each button and set their colors using C#
The advantage here is that you can do a lot more when the mouse is over. Easily changing position, rotation, shadows, scale and so on all in one method (and changing them back in the other)

Answer 2

I found the solution by using ControlTemplate, ControlTemplate.Trigger and SourceName of Trigger.
<Style TargetType="{x:Type ContentControl}" x:Key="ControlTest">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate>
<StackPanel Background="Red">
<Label Content="Button 1" Name="lblOne"/>
<Label Content="Button 2" Name="lblTwo"/>
<Label Content="Button 3" Name="lblThree"/>
</StackPanel>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True" SourceName="lblOne">
<Setter Property="Background" Value="GreenYellow" TargetName="lblTwo"/>
<Setter Property="Background" Value="OrangeRed" TargetName="lblThree"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
For using:
<ContentControl Grid.Row="1" Style="{StaticResource ControlTest}"/>
Is there more solutions?