Rub*_*ben 2 wpf listview mvvm selection
我可以在列表视图中选择多个项目.但如果我点击一个,它就会变成蓝色.这是正常的,因此显示它已被选中.但如果我再次点击相同的项目,它不会取消选中.所以我不能改变我的选择.有谁知道如何解决这个愚蠢的小问题?
编辑:这是我的列表视图:
<ListView Height="155" ScrollViewer.CanContentScroll="True" ScrollViewer.VerticalScrollBarVisibility="Visible" SelectedItem="{Binding Path=SelectedQuestionDropList, UpdateSourceTrigger=PropertyChanged,Mode=TwoWay}" dd:DragDrop.IsDragSource="True"
dd:DragDrop.IsDropTarget="True" SelectionMode="Multiple" Margin="0,0,542,436" Background="#CDC5CBC5"
dd:DragDrop.DropHandler="{Binding}" Name="DropListView" ItemsSource="{Binding Path=SelectedExaminationQuestions,UpdateSourceTrigger=PropertyChanged,Mode=TwoWay}" SelectionChanged="ListView_SelectionChanged_1" VerticalAlignment="Bottom">
<ListView.View>
<GridView>
<GridView.Columns>
<GridViewColumn Header="Verkorte naam" Width="Auto" DisplayMemberBinding="{Binding Path=ShortName}" />
<GridViewColumn Header="Omschrijving" Width="Auto" DisplayMemberBinding="{Binding Path=Description}" />
<GridViewColumn Header="Type" Width="Auto" DisplayMemberBinding="{Binding Path=Type}" />
</GridView.Columns>
</GridView>
</ListView.View>
</ListView>
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