回答編集履歴
2
修正
    
        answer	
    CHANGED
    
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         @@ -22,11 +22,6 @@ 
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                                <Setter Property="IsSelected" Value="{Binding IsChecked}"/>
         
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                            </Style>
         
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                        </DataGrid.ItemContainerStyle>
         
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       25 
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            -
                        <DataGrid.ItemTemplate>
         
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                            <DataTemplate>
         
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                                <CheckBox IsChecked="{Binding IsChecked}" Content="{Binding Text}"/>
         
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       28 
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                            </DataTemplate>
         
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                        </DataGrid.ItemTemplate>
         
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                    </DataGrid>
         
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                </Grid>
         
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            </Window>
         
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1
ListBox を DataGrid に変更
    
        answer	
    CHANGED
    
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         @@ -16,18 +16,18 @@ 
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                    <local:MainViewModel/>
         
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                </Window.DataContext>
         
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                <Grid>
         
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                    < 
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                    <DataGrid ItemsSource="{Binding Items}" SelectionMode="Extended">
         
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       20 
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                        < 
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 20 
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                        <DataGrid.ItemContainerStyle>
         
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                            <Style TargetType="{x:Type  
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                            <Style TargetType="{x:Type DataGridRow}">
         
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                                <Setter Property="IsSelected" Value="{Binding IsChecked}"/>
         
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       23 
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                            </Style>
         
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       24 
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                        </ 
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                        </DataGrid.ItemContainerStyle>
         
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       25 
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                        < 
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 25 
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            +
                        <DataGrid.ItemTemplate>
         
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                            <DataTemplate>
         
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       27 
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                                <CheckBox IsChecked="{Binding IsChecked}" Content="{Binding Text}"/>
         
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       28 
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                            </DataTemplate>
         
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       29 
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            -
                        </ 
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                        </DataGrid.ItemTemplate>
         
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       30 
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                    </ 
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 30 
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                    </DataGrid>
         
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       31 
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                </Grid>
         
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       32 
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            </Window>
         
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       33 
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            ```
         
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