<ContentControl x:Name="UnitData"
Canvas.Left="0" Canvas.Bottom="0"
Width="0" Height="0"
Panel.ZIndex="1"
Background="Transparent" RenderOptions.BitmapScalingMode="NearestNeighbor" RenderTransformOrigin="0.5,0.5" Selector.IsSelected="False"
Style="{StaticResource TranformNoneRotateStyle}">
<Grid>
<ListBox x:Name="listUnitData" ItemContainerStyleSelector="{StaticResource ShapeStyleSelector}" ItemTemplateSelector="{StaticResource ShapeDataTemplateSelector}" ItemsSource="{Binding ShapeData}" SelectionMode="{Binding ShapeSelectionMode, Mode=TwoWay}" Style="{StaticResource noScrollViewerListBoxStyle}" />
</Grid>
</ContentControl>
wpf窗口界面上ListBox大概有着2w+的图形数据,每次刷新起来特别耗费时间需要几分钟,想知道要怎么优化