Combobox trong Lập trình WPF

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 Commobo__WPF
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        List<Food> listName;
        public MainWindow()
        {
            InitializeComponent();
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            listName = new List<Food>() {
            new Food(){Name = "Mực một nắng", Price = "200.000"},
            new Food(){Name = "Ếch núp lùm", Price = "50.000"},
            new Food(){Name = "Dú dê nướng sữa", Price = "75.000"}
            };
            cbItemSource.ItemsSource = listName;
            //cbItemSource.DisplayMemberPath = "Name";
            //cbItemSource.SelectedValuePath = "Price";

            cbColor.ItemsSource = typeof(Brushes).GetProperties();

            cbItemSource.SelectionChanged += cbItemSource_SelectionChanged;
        }

        void cbItemSource_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            MessageBox.Show(cbItemSource.SelectedValue.ToString());
        }
    }
    public class Food
    {
        public string Name{get;set;}
        public string Price { get; set; }
    }
}
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<Window x:Class="Commobo__WPF.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Loaded="Window_Loaded"
        Title="MainWindow" Height="350" Width="525">
    <StackPanel>
        <ComboBox>
            <Grid Width="200">
                <CheckBox HorizontalAlignment="Left"></CheckBox>
                <Button HorizontalAlignment="Right" Content="www.howkteam.com"></Button>
            </Grid>
            <Grid Width="200">
                <CheckBox HorizontalAlignment="Left"></CheckBox>
                <Button HorizontalAlignment="Right" Content="www.howkteam.com"></Button>
            </Grid>
            <Grid Width="200">
                <CheckBox HorizontalAlignment="Left"></CheckBox>
                <Button HorizontalAlignment="Right" Content="www.howkteam.com"></Button>
            </Grid>
        </ComboBox>
        <ComboBox x:Name="cbItemSource" Width="500">
            <ComboBox.ItemTemplate>
                <DataTemplate>
                    <Grid Width="500">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition></ColumnDefinition>
                            <ColumnDefinition></ColumnDefinition>
                        </Grid.ColumnDefinitions>
                        <TextBlock Grid.Column="0" Text="{Binding Name}"></TextBlock>
                        <TextBlock Grid.Column="1" Text="{Binding Price}"></TextBlock>
                    </Grid>
                </DataTemplate>                
            </ComboBox.ItemTemplate>
        </ComboBox>
        <ComboBox x:Name="cbColor">
            <ComboBox.ItemTemplate>
                <DataTemplate>
                    <StackPanel Orientation="Horizontal">
                        <Rectangle Fill="{Binding Name}" Margin="0.2 0.2 5 0.2" Width="16"></Rectangle>
                        <TextBlock Text="{Binding Name}"></TextBlock>
                    </StackPanel>
                </DataTemplate>
            </ComboBox.ItemTemplate>
        </ComboBox>
        <ComboBox x:Name="cbFont" ItemsSource="{x:Static Fonts.SystemFontFamilies}">
            <ComboBox.ItemTemplate>
                <DataTemplate>
                    <StackPanel Orientation="Horizontal">                       
                        <TextBlock Text="{Binding}" Margin="5 0.2 5 0.2"></TextBlock>
                        <TextBlock Text="www.howkteam.com" FontFamily="{Binding}"></TextBlock>
                    </StackPanel>
                </DataTemplate>
            </ComboBox.ItemTemplate>
        </ComboBox>
    </StackPanel>
</Window>
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