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WPF Combobox show Image and textblock via DataTemplate

时间:2024-09-21 16:50:51浏览次数:1  
标签:via show Windows Combobox imgsList System MainWindow using public

 <ComboBox 
           Grid.Row="0"
           Grid.Column="0"
           SelectedIndex="0"
           ItemsSource="{StaticResource booksData}"                  
           FontSize="20" Foreground="Red" 
           VerticalAlignment="Stretch" 
           HorizontalAlignment="Stretch" 
           BorderBrush="Blue" 
           BorderThickness="3"
           VirtualizingPanel.IsContainerVirtualizable="True"
           VirtualizingPanel.IsVirtualizing="True"
           VirtualizingPanel.CacheLength="10"
           VirtualizingPanel.CacheLengthUnit="Item"
           VirtualizingPanel.VirtualizationMode="Recycling">
     <ComboBox.ItemTemplate>
         <DataTemplate>
             <Grid>
                 <Grid.RowDefinitions>
                     <RowDefinition/>
                     <RowDefinition Height="10*"/>
                     <RowDefinition/>
                 </Grid.RowDefinitions> 
                 <TextBlock Text="{Binding Name}" Grid.Row="0"/>
                 <TextBlock Text="{Binding ImgUrl}" Grid.Row="2"/>
                 <Image Source="{Binding ImgUrl}" Width="200" Height="500" 
                        Grid.Row="1"/>                        
             </Grid>
         </DataTemplate>
     </ComboBox.ItemTemplate>
 </ComboBox> 

 

 

 

 

 

 

 

 

//xaml
<Window x:Class="WpfApp391.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp391"
        mc:Ignorable="d"
        WindowState="Maximized"
        Title="MainWindow" Height="450" Width="800">
    <Window.Resources>
        <local:BooksData x:Key="booksData"/>
    </Window.Resources>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"/>
            <ColumnDefinition Width="2*"/>
        </Grid.ColumnDefinitions>
        <ComboBox 
                  Grid.Row="0"
                  Grid.Column="0"
                  SelectedIndex="0"
                  ItemsSource="{StaticResource booksData}"                  
                  FontSize="20" Foreground="Red" 
                  VerticalAlignment="Stretch" 
                  HorizontalAlignment="Stretch" 
                  BorderBrush="Blue" 
                  BorderThickness="3"
                  VirtualizingPanel.IsContainerVirtualizable="True"
                  VirtualizingPanel.IsVirtualizing="True"
                  VirtualizingPanel.CacheLength="10"
                  VirtualizingPanel.CacheLengthUnit="Item"
                  VirtualizingPanel.VirtualizationMode="Recycling">
            <ComboBox.ItemTemplate>
                <DataTemplate>
                    <Grid>
                        <Grid.RowDefinitions>
                            <RowDefinition/>
                            <RowDefinition Height="10*"/>
                            <RowDefinition/>
                        </Grid.RowDefinitions> 
                        <TextBlock Text="{Binding Name}" Grid.Row="0"/>
                        <TextBlock Text="{Binding ImgUrl}" Grid.Row="2"/>
                        <Image Source="{Binding ImgUrl}" Width="200" Height="500" 
                               Grid.Row="1"/>
                    </Grid>
                </DataTemplate>
            </ComboBox.ItemTemplate>
        </ComboBox> 
    </Grid>
</Window>


//cs
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.IO;

namespace WpfApp391
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            RenderOptions.ProcessRenderMode = System.Windows.Interop.RenderMode.SoftwareOnly;
        }
    }

    public class BooksData:ObservableCollection<Book>
    {
        public BooksData()
        {
            var imgsList = Directory.GetFiles(@"../../Images");
            if(imgsList==null || !imgsList.Any())
            {
                return;
            }

            int imgsCount = imgsList.Count();
            for(int i=0;i< imgsCount; i++)
            {
                this.Add(new Book()
                { 
                    Id=i+1,
                    Name=$"Name_{i+1}",
                    ImgUrl = $"{imgsList[i]}"
                });
            }
        }
    }

    public class Book
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public string ImgUrl { get; set; }
    }
}

 

标签:via,show,Windows,Combobox,imgsList,System,MainWindow,using,public
From: https://www.cnblogs.com/Fred1987/p/18424207

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