我的WPF应用程序性能不佳。
我有一个用一些按钮填充的ListView，其中包含一堆带绑定的TextBlock。我设法实现了虚拟化，所以无论是20还是2000 I负载，它看起来都是一样的。
问题在5到20之间。看起来，渲染一堆有点复杂的用户控件对于基本的底层硬件来说太多了。
这就是ListView中的按钮/UserControls的外观->ListView示例
我觉得WPF应该能够在辅助硬件上渲染这个。
这是ListView:的xaml
<ListView ItemsSource="{Binding ButtonModels, IsAsync=True}"
Margin="0"
x:Name="ButtonsListView"
VirtualizingPanel.IsVirtualizing="True"
VirtualizingPanel.IsContainerVirtualizable="True"
VirtualizingPanel.VirtualizationMode="Recycling"
ScrollViewer.HorizontalScrollBarVisibility="Disabled"
ScrollViewer.VerticalScrollBarVisibility="Auto"
SnapsToDevicePixels="True"
Background="Transparent"
BorderThickness="0">
<ListView.Resources>
<Style TargetType="ScrollBar">
<Setter Property="LayoutTransform">
<Setter.Value>
<ScaleTransform CenterX="0" CenterY="0"
ScaleX="3" ScaleY="3" />
</Setter.Value>
</Setter>
</Style>
</ListView.Resources>
<ListView.ItemsPanel>
<ItemsPanelTemplate>
<local:UniformGridPanel IsItemsHost="True" VerticalAlignment="Top" Height="Auto" Rows="4" Columns="{Binding Columns}" Margin="0">
</local:UniformGridPanel>
</ItemsPanelTemplate>
</ListView.ItemsPanel>
<ListView.ItemContainerStyle>
<Style TargetType="{x:Type ListViewItem}">
<Setter Property="Margin" Value="0"/>
<Setter Property="Padding" Value="0"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate>
<Button Height="117" Width="Auto"
Margin="6,0,6,0"
x:Name="MasterButton"
Click="MasterButton_Click"
Visibility="{Binding IsVisible, Converter={StaticResource BoolToVis}}"
Template="{StaticResource ProductButtonTemplate}"
Padding="0">
</Button>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</ListView.ItemContainerStyle>
</ListView>
这是按钮模板的xaml：
<ControlTemplate TargetType="{x:Type Button}" x:Key="ProductButtonTemplate">
<UserControl>
<Grid Background="Transparent">
<Grid.RowDefinitions>
<RowDefinition Height="26"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<Border Grid.Row="0" Background="{Binding HeaderBrush}" CornerRadius="3,3,0,0">
<TextBlock VerticalAlignment="Center" FontSize="12"
Text="{Binding DisplayName}"
Foreground="{Binding FontIsWhite, Converter={StaticResource BoolToFontColour}}"
FontFamily="{StaticResource DefaultRegular}"
Padding="8,0,0,0"/>
</Border>
<Border Grid.Row="1" Background="{StaticResource LightGrey}" CornerRadius="0,0,4,4" BorderBrush="{StaticResource BorderGrey}" BorderThickness="1">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="Auto" />
<RowDefinition Height="Auto" />
<RowDefinition Height="35" />
</Grid.RowDefinitions>
<TextBlock Grid.Row="0" Grid.Column="0"
FontSize="12" TextTrimming="CharacterEllipsis" Text="Nr.:"
FontFamily="{StaticResource DefaultFont}"
VerticalAlignment="Center" HorizontalAlignment="Stretch"
Foreground="{StaticResource Black}"
Padding="8,0,0,0"/>
<TextBlock Grid.Row="1" Grid.Column="0"
FontSize="10" TextTrimming="CharacterEllipsis" Text="{Binding Combinations}"
FontFamily="{StaticResource DefaultFont}"
VerticalAlignment="Center" HorizontalAlignment="Stretch"
Foreground="{StaticResource Black}"
Padding="8,0,0,0"/>
<TextBlock Grid.Row="2" Grid.Column="0"
FontSize="10" TextTrimming="CharacterEllipsis" Text="{Binding SizeAndColour}"
FontFamily="{StaticResource DefaultFont}"
VerticalAlignment="Center" HorizontalAlignment="Stretch"
Foreground="{StaticResource Black}"
Padding="8,0,0,0"/>
<Grid Grid.Row="3" Grid.Column="0"
Width="24" Height="24"
VerticalAlignment="Center" HorizontalAlignment="Left"
Margin="8,0,0,0"
Visibility="{Binding ShowStockValue, Converter={StaticResource BoolToVis}}">
<Ellipse Fill="{Binding StockStatus, Converter={StaticResource EnumToBrush}}" Stroke="{StaticResource LightGrey}" StrokeThickness="0.1">
</Ellipse>
<TextBlock Text="{Binding Stock}"
Foreground="{StaticResource White}"
FontSize="9"
FontFamily="{StaticResource DefaultFont}"
VerticalAlignment="Center" HorizontalAlignment="Center"/>
</Grid>
<TextBlock Grid.Row="0" Grid.Column="1"
FontSize="12" TextTrimming="CharacterEllipsis" Text="{Binding ProductNr}"
Foreground="{StaticResource Black}"
VerticalAlignment="Center" HorizontalAlignment="Right"
FontFamily="{StaticResource DefaultFont}"
Padding="0,0,8,0"/>
<Label Grid.Row="3" Grid.Column="1" FontSize="13"
Padding="0,0,8,8"
Content="{Binding Price}"
Foreground="{StaticResource Black}"
FontWeight="Bold"
FontFamily="{StaticResource DefaultFont}"
VerticalContentAlignment="Bottom" HorizontalContentAlignment="Right"
ContentStringFormat="{}{0:#,0.00}" />
</Grid>
</Border>
</Grid>
</UserControl>
</ControlTemplate>
tldr；我正在寻找有关如何使此渲染更快的性能提示。这是在我在ListView中达到虚拟化开始的大小之前(它完美地工作(
提前感谢！
我设法找到了一个高性能的解决方案，但这并不是我所期望的性能更好的解决方案。
因此，我不需要有一个带绑定的ListView，更改绑定中的数据并重新填充ListView，而是为我拥有的每个集合生成一个ListView。
我觉得奇怪的是，拥有一堆ListView并折叠并显示它们更有效，但它的性能绝对完美。