我正在使用WPF
控件进行telerik
个应用程序。
我正在使用RadListBox
,它是根据记录数在运行时生成的。所以,如果我的集合中有10条记录,10 RadListBox将显示在应用程序中。当我选择每个RadListBox
时,BindedItem的详细视图将显示在附近的面板中。一次只能选择一个RadListBox
。
当我选择RadListBox时,它显示一个不可见的灰色背景,用户不确定哪个是从10中选择的。
现在我需要为选定的RadListBox
设置边框。因此,每当用户选择RadListBox
时,所选的ListBox边框应为红色。
无论如何我可以访问选定的RadListBox
及其Border
属性吗?
.XAML代码:
<telerik:RadListBox Grid.Column="0" Grid.Row="0" Margin="0,25,0,0" BorderThickness="1" BorderBrush="#FFCBD8E8" ItemsSource="{Binding MCollection, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged, NotifyOnSourceUpdated=True, ValidatesOnDataErrors=True}" ItemTemplate="{StaticResource ImageDataTemplate}" ItemContainerStyle="{StaticResource DraggableListBoxItem}" DragEnter="lseries_DragEnter" DragLeave="ls_DragLeave" Style="{StaticResource myListboxStyle}" SelectedItem="{Binding SSeries, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" telerik:StyleManager.Theme="Windows8" PreviewKeyDown="RadListBox_PreviewKeyDown" MouseDoubleClick="l_MouseDoubleClick" PreviewMouseDown="RadListBox_PreviewMouseLeftButtonDown" SelectionChanged="Mt_SelectionChanged">
</telerik:RadListBox>
图片数据模板:
<DataTemplate x:Key="ImageDataTemplate">
<Border BorderThickness="2" BorderBrush="#FF21A2DE" CornerRadius="2" VerticalAlignment="Top">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="*" />
<RowDefinition Height="20" />
<RowDefinition Height="100" />
</Grid.RowDefinitions>
<TextBlock x:Name="SeriesNo" Grid.Column="0" Grid.Row="0" HorizontalAlignment="Center">
<TextBlock.Style>
<Style TargetType="{x:Type TextBlock}">
<Style.Triggers>
<DataTrigger Binding="{Binding Path=Istre, Mode=TwoWay, Source={StaticResource MViewModel}}" Value="False">
<Setter Property="Text" Value="{Binding SNumber}" />
</DataTrigger>
<DataTrigger Binding="{Binding Path=Istre, Mode=TwoWay, Source={StaticResource MViewModel}}" Value="True">
<Setter Property="Visibility" Value="Collapsed" />
</DataTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
<TextBlock Grid.Column="0" Grid.Row="1" HorizontalAlignment="Center">
<TextBlock.Style>
<Style TargetType="{x:Type TextBlock}">
<Style.Triggers>
<DataTrigger Binding="{Binding Path=Istre, Mode=TwoWay, Source={StaticResource MViewModel}}" Value="False">
<Setter Property="Text" Value="{Binding RDNumber}" />
</DataTrigger>
<DataTrigger Binding="{Binding Path=Istre, Mode=TwoWay, Source={StaticResource MViewModel}}" Value="True">
<Setter Property="Text" Value="{Binding SeriesNumber}" />
</DataTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
<Image x:Name="viewImage" Grid.Row="2" Stretch="Uniform" Height="100" Width="135" Source="{Binding DisplayImage, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged, NotifyOnSourceUpdated=True, ValidatesOnDataErrors=True}" Visibility="Visible" />
<TextBlock x:Name="viewText" Grid.Row="2" VerticalAlignment="Center" Height="100" HorizontalAlignment="Center" />
</Grid>
</Border>
</DataTemplate>
RadListBox列表的图片:
答案 0 :(得分:1)
你需要在ImageDataTemplate中使用类似的东西:
<Border.Style>
<Style TargetType="Border">
<Style.Triggers>
<DataTrigger Binding="{Binding Path=IsSelected, RelativeSource={RelativeSource AncestorType=telerik:RadListBoxItem, AncestorLevel=1}}" Value="True">
<Setter Property="BorderBrush" Value="Red"/>
</DataTrigger>
</Style.Triggers>
<Setter Property="BorderBrush" Value="#FF21A2DE"/>
</Style>
</Border.Style>
不要忘记从Border创建行中删除BorderBrush setter。