<ItemsControl ItemsSource="{Binding MemberInfos}"
VirtualizingStackPanel.IsVirtualizing="True" VirtualizingStackPanel.VirtualizationMode="Recycling" VirtualizingPanel.CacheLength="50">
<ItemsControl.ItemsPanel>
<ItemsPanelTemplate>
<VirtualizingStackPanel></VirtualizingStackPanel>
</ItemsPanelTemplate>
</ItemsControl.ItemsPanel>
<ItemsControl.Template>
<ControlTemplate TargetType="ItemsControl">
<ScrollViewer VerticalScrollBarVisibility="Auto" CanContentScroll="True">
<ItemsPresenter></ItemsPresenter>
<ScrollViewer.Resources>
<Style TargetType="ScrollBar">
<Setter Property="Width" Value="6"/>
<Setter Property="MinWidth" Value="6"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ScrollBar">
<Grid>
<Rectangle Width="{TemplateBinding Width}" Fill="White"/>
<Track x:Name="PART_Track" IsDirectionReversed="True">
<Track.DecreaseRepeatButton>
<RepeatButton Command="ScrollBar.LineUpCommand" Visibility="Collapsed"/>
</Track.DecreaseRepeatButton>
<Track.IncreaseRepeatButton>
<RepeatButton Command="ScrollBar.LineDownCommand" Visibility="Collapsed"/>
</Track.IncreaseRepeatButton>
<Track.Thumb>
<Thumb Background="#D3D7DD"/>
</Track.Thumb>
</Track>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</ScrollViewer.Resources>
</ScrollViewer>
</ControlTemplate>
</ItemsControl.Template>
<ItemsControl.ItemTemplate>
<DataTemplate>
<local:MembersListItem/>
</DataTemplate>
</ItemsControl.ItemTemplate>
</ItemsControl>
标签：虚拟化,ItemsControl,数据量,WPF,优化,卡顿 From： https://www.cnblogs.com/HansZimmer/p/17784118.html