質問編集履歴
2
追記
test
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@@ -311,3 +311,121 @@
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Visual Studio 2019
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.NET Framework 4.8
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### 解決いたしました(以下、解決コード)
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```C#
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public class PersonTemplateSelector : DataTemplateSelector
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{
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public override DataTemplate SelectTemplate(object item, DependencyObject container)
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{
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ContentPresenter presenter = (ContentPresenter)container;
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if (presenter.TemplatedParent is ComboBox)
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return (DataTemplate)presenter.FindResource("SingleLine");
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else
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return (DataTemplate)presenter.FindResource("MultiLine");
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}
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}
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```
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上記クラスを追加しまして、
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```XAML
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<Window.Resources>
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<DataTemplate x:Key="SingleLine">
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<StackPanel Orientation="Horizontal">
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<TextBlock Text="{Binding ID}"/>
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<TextBlock Text="{Binding Name}" />
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</StackPanel>
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</DataTemplate>
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<DataTemplate x:Key="MultiLine">
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<Grid>
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto" />
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<RowDefinition Height="Auto" />
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</Grid.RowDefinitions>
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="Auto" />
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<ColumnDefinition Width="Auto" />
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</Grid.ColumnDefinitions>
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<TextBlock Grid.Row="0" Grid.Column="0" Text="{Binding ID}"/>
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<TextBlock Grid.Row="0" Grid.Column="1" Text="{Binding Name}" />
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<TextBlock Grid.Row="1" Grid.Column="0" Text="{Binding LeftData.Data1}" />
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<TextBlock Grid.Row="1" Grid.Column="1" Text="{Binding RightData.Data1}" />
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</Grid>
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</DataTemplate>
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</Window.Resources>
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```
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リソースにDataTemplateを２つ用意し、
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```XAML
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<ComboBox ItemsSource="{Binding PersonList, ElementName=my}"
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SelectedItem="{Binding SelectedPerson, ElementName=my}">
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<ComboBox.ItemTemplateSelector>
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<local:PersonTemplateSelector />
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</ComboBox.ItemTemplateSelector>
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</ComboBox>
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```
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1
説明の追加
test
CHANGED
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File without changes
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test
CHANGED
|
@@ -24,6 +24,34 @@
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24
24
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25
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26
26
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Personクラス内に下記プロパティをつくり、DisplayMemberPathプロパティにバインドした時は、
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```
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public string DispStr
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{
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get { return string.Format("{0}{1}", ID, Name); }
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}
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```
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System.Windows.Markup.XamlParseException
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+
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+
InvalidOperationException: DisplayMemberPath と ItemTemplate を両方とも設定できません。
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46
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+
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47
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+
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48
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+
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49
|
+
というエラーでした。
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50
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+
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51
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+
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52
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53
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+
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54
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+
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27
55
|
ComboBox.SelectionBoxItemTemplateというそれらしいプロパティがあるのですが、使い方がいまいち分からないです。
|
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28
56
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29
57
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