How to ZoomIn WPF ListView Content without zooming scrollviewer?

I have a WPF ListView and a slider to zoom the content of the ListView. When I use the LayoutTransform, the content and the scrollviewer zooming. I want only the listviewitems to zoom but not the scrollviewers. I am a newbie in WPF, please help me providing a solution. Thank you.

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<ListView x:Name="ListView1" SelectionMode="Extended" ScrollViewer.VerticalScrollBarVisibility="Auto" ScrollViewer.HorizontalScrollBarVisibility="Auto">
                <ListView.LayoutTransform>
                <ScaleTransform ScaleX="{Binding ElementName=Slider1, Path=Value}" ScaleY="{Binding ElementName=Slider1, Path=Value}"/>
                </ListView.LayoutTransform>
                <ListViewItem Content="Item1" Width="50" Height="30" Margin="10" Background="LightBlue"/>
                <ListViewItem Content="Item2" Width="50" Height="30" Margin="10" Background="LightGreen"/>
                <ListViewItem Content="Item3" Width="50" Height="30" Margin="10" Background="LightBlue"/>
</ListView>
<Slider Name="Slider1" Minimum="5" />