WPF Animation execute twice

Hi All,
I faced an issue regarding the Animation execute twice, please check the code:
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<ListView x:Name="lstHandled" Grid.Column="0" Visibility="Visible">
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListView.Triggers>
<EventTrigger RoutedEvent="ListView.MouseEnter">
<BeginStoryboard>
<Storyboard>
<ThicknessAnimation
Storyboard.TargetName="spAll"
Storyboard.TargetProperty="(StackPanel.Margin)"
From="-100,0,0,0" To="0,0,0,0"
AutoReverse="False"
Duration="0:0:1"/>
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</ListView.Triggers>
</ListView>
<StackPanel x:Name="spAll" Grid.Column="0" Width="100" Margin="-100,0,0,0" Orientation="Horizontal">
<ListView x:Name="Handled">
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
</ListView>
<ListView x:Name="UnHandled">
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
</ListView>
<StackPanel.Triggers>
<EventTrigger RoutedEvent="StackPanel.MouseLeave">
<BeginStoryboard>
<Storyboard>
<ThicknessAnimation
Storyboard.TargetName="spAll"
Storyboard.TargetProperty="(StackPanel.Margin)"
From="0,0,0,0" To="-100,0,0,0"
AutoReverse="False"
Duration="0:0:1"/>
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</StackPanel.Triggers>
</StackPanel>
</Grid>
Here is the screenshot:
When the mouse leave the "spAll" StackPanel. It fired the Mouse Enter event for the ListView. How to avoid this issue?
Thanks a lot!
The future belongs to those who believe in the beauty of their dreams.

You put your other two listviews in the same column of the grid.
Since they're defined later, they will be above the first listview... and cause your problem.
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<ListView x:Name="lstHandled" Grid.Column="0" Visibility="Visible">
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListViewItem>Jimmy</ListViewItem>
<ListView.Triggers>
<EventTrigger RoutedEvent="ListView.MouseEnter">
<BeginStoryboard>
<Storyboard>
<DoubleAnimation
Storyboard.TargetName="spAll"
Storyboard.TargetProperty="(StackPanel.Width)"
From="0" To="120"
AutoReverse="False"
Duration="0:0:1"/>
</Storyboard>
</BeginStoryboard>
</EventTrigger>
<EventTrigger RoutedEvent="ListView.MouseLeave">
<BeginStoryboard>
<Storyboard>
<DoubleAnimation
Storyboard.TargetName="spAll"
Storyboard.TargetProperty="(StackPanel.Width)"
From="120" To="0"
AutoReverse="False"
Duration="0:0:1"/>
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</ListView.Triggers>
</ListView>
<StackPanel x:Name="spAll" Grid.Column="1" Width="0" Orientation="Horizontal">
<ListView x:Name="Handled">
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
<ListViewItem>Hello</ListViewItem>
</ListView>
<ListView x:Name="UnHandled" Grid.Column="2">
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
<ListViewItem>World</ListViewItem>
</ListView>
</StackPanel>
</Grid>
The above puts your listviews in different columns, although I'm not 100% sure that's what you wanted to happen.
You would also have to animate the first listview if you want that to disappear.
There's a potential problem there since as you do that your mouse will leave it.
I guess you're probably just kind of playing around learning stuff here though.
PS
I based this on your first, now deleted, thread.
Hope that helps.
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