1. 程式人生 > WINDOWS開發 >【WPF】Combox 下拉選項增加圖片顯示 ItemTemplate

【WPF】Combox 下拉選項增加圖片顯示 ItemTemplate

技術分享圖片

效果圖如上所示:

前端Xmal程式碼:

<Window x:Class="WpfTest.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:WpfTest" mc:Ignorable="d" Title="MainWindow" Height="350" Width="525"> <Grid> <StackPanel> <Button Content="www.wikibt.com" Click="Button_Click"></Button> <ComboBox ItemsSource="{Binding Items}"
SelectedItem="{Binding CurrentItem}"> <ComboBox.ItemTemplate> <DataTemplate> <StackPanel Orientation="Horizontal"> <Image Source="/images/www.wikibt.com.png"></Image>//此處圖片路徑寫死了,可以用繫結實現不一樣的圖片{Binding ItemImage}
<TextBlock Text="{Binding ItemName}" VerticalAlignment="Center" HorizontalAlignment="Center"></TextBlock> </StackPanel> </DataTemplate> </ComboBox.ItemTemplate> </ComboBox> </StackPanel> </Grid> </Window>

後端程式碼:

using RevitTask;
using System;
using System.Collections.Generic;
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;

namespace WpfTest
{
    /// <summary>
    /// MainWindow.xaml 的互動邏輯
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            Items = new List<ImageItem>() {
                new ImageItem("",1),new ImageItem("",2),new ImageItem("",3)
            };
            this.DataContext = this;
        }

        public List<ImageItem> Items { get; set; }
        public ImageItem CurrentItem { get; set; }

        private void Button_Click(object sender,RoutedEventArgs e)
        {
            MessageBox.Show(CurrentItem == null ? "null" : CurrentItem.ItemValue.ToString());
        }
    }
    public class ImageItem
    {
        public ImageItem(string name,object value)
        {
            ItemName = name;
            ItemValue = value;
        }
        public ImageItem(string name,object value,ImageSource img) : this(name,value)
        {
            ItemImage = img;
        }
        public string ItemName { get; set; }
        public object ItemValue { get; set; }
        public ImageSource ItemImage { get; set; }
    }
}

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