Virtualizing WrapPanel stop scrolling

[SachinkumarRajak]

I am using Virtualizing WrapPanel in my itemsource of listview but my scrooling is not working ,

Virtualizing WrapPanel


my listviewcode

<ListBox x:Name="ImageList" Grid.Row="0"
local:ListBoxSelector.Enabled="True" FocusVisualStyle="{x:Null}"
HorizontalAlignment="Stretch"
VerticalAlignment="Stretch"
HorizontalContentAlignment="Stretch"
x:FieldModifier="public"
BorderBrush="Transparent"
BorderThickness="0"
IsSynchronizedWithCurrentItem="True"
ItemContainerStyle="{StaticResource CustomizedItemContainer}"
MouseDoubleClick="OnPhotoClick"
MouseDown="ImageList_MouseDown"
ScrollViewer.CanContentScroll="True"
ScrollViewer.IsDeferredScrollingEnabled="True"
SelectionChanged="ImageList_SelectionChanged"
SelectionMode="Extended"
VirtualizingPanel.IsContainerVirtualizable="True"
VirtualizingPanel.IsVirtualizing="True"
VirtualizingPanel.VirtualizationMode="Recycling"
VirtualizingPanel.ScrollUnit="Pixel"
ScrollViewer.VerticalScrollBarVisibility="Auto"
Loaded="ImageListScrollViewer_Loaded"
ScrollViewer.ScrollChanged="ImageListScrollViewer_Changed"
AllowDrop="True"
Drop="ThumbnailListView_Drop"
VerticalContentAlignment="Stretch"
ScrollViewer.HorizontalScrollBarVisibility="Disabled"
KeyboardNavigation.DirectionalNavigation="Cycle"
IsTextSearchEnabled="True" TextSearch.TextPath="FileName" SizeChanged="ImageList_SizeChanged">

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