WPF ComboBox 多列 [英] WPF ComboBox Multiple Columns
本文介绍了WPF ComboBox 多列的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我只是想知道是否有可以包含多列的 wpf 组合框控件?
I am just wondering if there is a wpf combobox control that can contain multiple columns?
如果没有,我需要使用什么 XAML 来实现这一点?
And if not, what XAML I need to use to achieve this?
如果可能的话,我只是在寻找一个基本的两列组合框,
I am just looking for a basic two column combobox if is possible,
谢谢
推荐答案
Multiple Column Combobox 请参考这些链接,通过编辑combox和comboboxitem默认模板/样式实现.
Please Refer these links for Multiple Column Combobox which is implemented by editing combox and comboboxitem Default template/style.
1)链接1
2)Link2>
Xaml 代码:请查看 ComboboxItem 样式中注释的 Trigger IsHighlighted
Xaml code : Please take a look at commented Trigger IsHighlighted in ComboboxItem style
<Grid>
<ComboBox Height="30" Margin="5" ItemsSource="{Binding}" HorizontalContentAlignment="Stretch">
<ComboBox.ItemTemplate>
<DataTemplate>
<TextBlock Margin="2" Text="{Binding Name}"/>
</DataTemplate>
</ComboBox.ItemTemplate>
<ComboBox.ItemContainerStyle>
<Style TargetType="{x:Type ComboBoxItem}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate>
<Grid x:Name="gd" TextElement.Foreground="Black">
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<TextBlock Margin="5" Grid.Column="0" Text="{Binding Name}"/>
<TextBlock Margin="5" Grid.Column="1" Text="{Binding State}"/>
<TextBlock Margin="5" Grid.Column="2" Text="{Binding Population}"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="ComboBoxItem.IsSelected" Value="True">
<Setter TargetName="gd" Property="Background" Value="Gray"></Setter>
<Setter TargetName="gd" Property="TextElement.Foreground" Value="White"></Setter>
</Trigger>
<Trigger Property="ComboBoxItem.IsMouseOver" Value="True">
<Setter TargetName="gd" Property="Background" Value="Blue"></Setter>
<Setter TargetName="gd" Property="TextElement.Foreground" Value="White"></Setter>
</Trigger>
<!--IsHighlighted and IsMouseOver is showing same effect but IsHighlighted is used for showing logical focus( for understanding check using tab key)-->
<!--<Trigger Property="ComboBoxItem.IsHighlighted" Value="True">
<Setter TargetName="gd" Property="Background" Value="Yellow"></Setter>
<Setter TargetName="gd" Property="TextElement.Foreground" Value="Black"></Setter>
</Trigger>-->
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</ComboBox.ItemContainerStyle>
</ComboBox>
</Grid>
c# 代码
public partial class MainWindow : Window
{
private ObservableCollection<City> cities = new ObservableCollection<City>();
public MainWindow()
{
InitializeComponent();
cities.Add(new City() { Name = "Mumbai", State = "Maharashtra", Population = 3000000 });
cities.Add(new City() { Name = "Pune", State = "Maharashtra", Population = 7000000 });
cities.Add(new City() { Name = "Nashik", State = "Maharashtra", Population = 65000 });
cities.Add(new City() { Name = "Aurangabad", State = "Maharashtra", Population = 5000000 });
DataContext = cities;
}
}
class City
{
public string State { get; set; }
public string Name { get; set; }
public int Population { get; set; }
}
输出
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