本文实例讲述了WPF的ListView控件自定义布局用法。分享给大家供大家参考,具体如下:
概要:
以源码的形式贴出,免得忘记后,再到网上查资料。在VS2008+SP1环境下调试通过
引用的GrayscaleEffect模块,可根据参考资料《Grayscale Effect...》中的位置下载。
正文:
如何布局是在App.xaml中定义源码如下
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<Application x:Class="CWebsSynAssistant.App" xmlns:effect="clr-namespace:GrayscaleEffect;assembly=GrayscaleEffect" StartupUri="Window1.xaml"> <Application.Resources> <!-- ListView的布局模板--> <ControlTemplate x:Key="myLVTemplate" TargetType="{x:Type ListView}"> <Grid> <ScrollViewer x:Name="ScrollViewerElement" Background="White" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Disabled"> <ItemsPresenter> </ItemsPresenter> </ScrollViewer> </Grid> </ControlTemplate> <!-- ListViewItem的布局模板--> <DataTemplate x:Key="myLVItemTemplate"> <Grid Name="myGrid" Width="70" Margin="8,8,0,0"> <Grid.RowDefinitions> <RowDefinition Height="Auto"></RowDefinition> <RowDefinition Height="Auto"></RowDefinition> </Grid.RowDefinitions> <Image Name="img" Source="{Binding Path=ISource}" HorizontalAlignment="Center" Width="32" Height="32" Stretch="UniformToFill" ToolTip="{Binding Path=FullFileName}" > <Image.Effect> <effect:GrayscaleEffect x:Name="grayscaleEffect" DesaturationFactor="1.0"/> </Image.Effect> </Image> <TextBlock Name="imgTitle" Text="{Binding Path=FileName}" Grid.Row="1" HorizontalAlignment="Center" FontSize="10" FontFamily="Arial" ToolTip="{Binding Path=FullFileName}" Margin="4,4,4,4" TextTrimming="CharacterEllipsis" /> </Grid> <DataTemplate.Triggers> <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type ListViewItem}}, Path=IsSelected}" Value="True"> <Setter TargetName="myGrid" Property="Background" Value="White"/> <Setter TargetName="imgTitle" Property="Background" Value="CadetBlue"/> <Setter TargetName="imgTitle" Property="Foreground" Value="White"/> <Setter TargetName="img" Property="Effect"> <Setter.Value> <effect:GrayscaleEffect DesaturationFactor="0.5"/> </Setter.Value> </Setter> <!-- <Setter TargetName="img" Property="Opacity" Value=".5"></Setter> --> </DataTrigger> </DataTemplate.Triggers> </DataTemplate> <!--下面这段代码不用,选中的时候边框有些边会变成蓝色(不是你希望的颜色)--> <Style TargetType="{x:Type ListViewItem}" x:Key="ItemContainerStyle"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type ListViewItem}"> <Border x:Name="Bd" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="0" > <ContentPresenter/> </Border> <ControlTemplate.Triggers> <Trigger Property="IsSelected" Value="true"> <Setter Property="Background" TargetName="Bd" Value="White"/> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> </Application.Resources></Application> |
如何引用在Windows1.xaml中定义源码如下
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<ListView x:Name="listView1" ItemTemplate="{StaticResource myLVItemTemplate}" Template="{StaticResource myLVTemplate}" ItemContainerStyle="{StaticResource ItemContainerStyle}" Margin="0,4,0,4" MouseDoubleClick="OnLocalFSOpen" Grid.Row="2"> <!--下面定义WarpPanel,使Item项在容器里从左到右从上到下排列--> <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <WrapPanel/> </ItemsPanelTemplate> </ItemsControl.ItemsPanel></ListView> |