Visual Studio / WPF > ComboBox > Nameの表示にはComboBox.ItemTemplateでなく、DisplayMemberPathを使う

動作環境

Windows 7 Pro (32bit)
Microsoft Visual Studio 2017 Community

ComboBoxを再度使ってみる。

Visual Studio / WPF > コントロール > ComboBox > ItemTemplateでの見た目の定義 / IsEditable
http://qiita.com/7of9/items/f63e1150cc88fdf41e12

v0.1

MainWindow.xaml.cs

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 _170612_t1340_comboBox
{
    /// <summary>
    /// MainWindow.xaml の相互作用ロジック
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            var data = new List<ComboBoxItem>();
            data.Add(new ComboBoxItem { Name = "7of9" });
            data.Add(new ComboBoxItem { Name = "Janeway" });
            data.Add(new ComboBoxItem { Name = "Tubok" });
            data.Add(new ComboBoxItem { Name = "Chakotay" });
            uxItems.ItemsSource = data;
        }
    }

    public class ComboBoxItem
    {
        public string Name { get; set; }
    }
}

MainWindow.xaml

<Window x:Class="_170612_t1340_comboBox.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:_170612_t1340_comboBox"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <ComboBox x:Name="uxItems" Height="28" Width="100">
            <ComboBox.ItemTemplate>
                <DataTemplate>
                    <TextBox Text="{Binding Name}"/>
                </DataTemplate>
            </ComboBox.ItemTemplate>
        </ComboBox>
    </Grid>
</Window>

表示に違和感がある。

v0.2

ComboBoxにEnumを列挙する。
http://qiita.com/maenotti_99/items/4dddbc755efa74086b7c
を見たところ、DisplayMemberPathを使えば良さそう。

<ComboBox Name="cbSample" DisplayMemberPath="Name"/>

MainWindow.xaml.cs

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 _170612_t1340_comboBox
{
    /// <summary>
    /// MainWindow.xaml の相互作用ロジック
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            var data = new List<ComboBoxItem>();
            data.Add(new ComboBoxItem { Name = "7of9" });
            data.Add(new ComboBoxItem { Name = "Janeway" });
            data.Add(new ComboBoxItem { Name = "Tubok" });
            data.Add(new ComboBoxItem { Name = "Chakotay" });
            uxItems.ItemsSource = data;
        }
    }

    public class ComboBoxItem
    {
        public string Name { get; set; }
    }
}

MainWindow.xaml

<Window x:Class="_170612_t1340_comboBox.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:_170612_t1340_comboBox"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <ComboBox x:Name="uxItems" Height="28" Width="100"
                  DisplayMemberPath="Name">
        </ComboBox>
    </Grid>
</Window>

違和感がなくなった。