Question

我必须更改ListBox的ItemTemplate的背景颜色，具体取决于布尔值。这是我的ListBox：

<ListBox Name="itemListBox" 
         ScrollViewer.VerticalScrollBarVisibility="Visible" 
         SelectionChanged="itemListBox_SelectionChanged">
    <ListBox.ItemTemplate>
        <DataTemplate>
            <StackPanel Orientation="Horizontal">
                <StackPanel Width="200">
                    <TextBlock FontSize="10"
                               FontWeight="Bold"
                               VerticalAlignment="Center"
                               Text="{Binding Path=Value.DocID}" />
                    <TextBlock FontSize="10"
                               VerticalAlignment="Center"
                               TextWrapping="Wrap"
                               Text="{Binding Path=Value.Serial}"/>
                </StackPanel>
            </StackPanel>
        </DataTemplate>
    </ListBox.ItemTemplate>
</ListBox>

如果用户删除了一个项目，我想用灰色的backrgound显示他精度：ListBox绑定到Dictionnary，其中包含一个布尔值“IsDeleted”。对不起，英语很差谢谢

Answer 1

您可以将import sys import csv import time map_array = [] map_array_1 = [] reader = csv.reader(open('input_file.csv', 'rU')) for row in reader: map_array.append(row) for i in map_array: for j in i: hold = j.replace(">",",") map_array_1.append(hold) writer = csv.writer(open('output_file.csv','wb'),delimiter=',') for row in map_array_1: writer.writerow(row)与ItemContainerStyle：

一起使用

DataTrigger

如果您打算动态设置属性并希望背景相应更新，请确保具有<ListBox Name="itemListBox" ScrollViewer.VerticalScrollBarVisibility="Visible" SelectionChanged="itemListBox_SelectionChanged"> <ListBox.ItemContainerStyle> <Style TargetType="ListBoxItem"> <Style.Triggers> <DataTrigger Binding="{Binding Value.IsDeleted}" Value="True"> <Setter Property="Background" Value="Gray" /> </DataTrigger> </Style.Triggers> </Style> </ListBox.ItemContainerStyle> <ListBox.ItemTemplate> <DataTemplate> <StackPanel Orientation="Horizontal"> <StackPanel Width="200"> <TextBlock FontSize="10" FontWeight="Bold" VerticalAlignment="Center" Text="{Binding Path=Value.DocID}" /> <TextBlock FontSize="10" VerticalAlignment="Center" TextWrapping="Wrap" Text="{Binding Path=Value.Serial}"/> </StackPanel> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> </ListBox>属性的类正确实现INotifyPropertyChanged接口。

更改WPF ItemTemplate的背景颜色

1 个答案: