Shrlalgo.RvKits/WPFluent/Controls/VirtualizingPanel/VirtualizingGridView.xaml

<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:controls="clr-namespace:WPFluent.Controls"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <Style TargetType="{x:Type controls:VirtualizingGridView}">
        <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto" />
        <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled" />
        <Setter Property="ScrollViewer.CanContentScroll" Value="true" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="VirtualizingPanel.IsVirtualizing" Value="True" />
        <Setter Property="VirtualizingPanel.VirtualizationMode" Value="Standard" />
        <Setter Property="SnapsToDevicePixels" Value="True" />
        <Setter Property="OverridesDefaultStyle" Value="True" />
        <Setter Property="ItemsPanel">
            <Setter.Value>
                <ItemsPanelTemplate>
                    <controls:VirtualizingWrapPanel
                        IsVirtualizing="{TemplateBinding VirtualizingPanel.IsVirtualizing}"
                        Orientation="Vertical"
                        SpacingMode="StartAndEndOnly"
                        StretchItems="False"
                        VirtualizationMode="{TemplateBinding VirtualizingPanel.VirtualizationMode}" />
                </ItemsPanelTemplate>
            </Setter.Value>
        </Setter>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type controls:VirtualizingGridView}">
                    <Grid>
                        <controls:PassiveScrollViewer x:Name="PART_ContentHost">
                            <ItemsPresenter />
                        </controls:PassiveScrollViewer>
                        <Rectangle
                            Opacity="0"
                            RadiusX="2"
                            RadiusY="2"
                            Stretch="Fill"
                            Stroke="Transparent"
                            StrokeThickness="0"
                            Visibility="Collapsed"
                            x:Name="PART_DisabledVisual">
                            <Rectangle.Fill>
                                <SolidColorBrush Color="{DynamicResource ControlFillColorDefault}" />
                            </Rectangle.Fill>
                        </Rectangle>
                    </Grid>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsGrouping" Value="True">
                            <Setter Property="ScrollViewer.CanContentScroll" Value="False" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="Visibility" TargetName="PART_DisabledVisual" Value="Visible" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

</ResourceDictionary>