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부울 상태에 따라 ListView에 값을 표시하려고하지만 작동하지 않습니다. 내가 뭘 잘못하고 있는지 말해 줄 수있어?부울이 작동하지 않는 트리거
<ListView x:Name="LiViTest" Grid.ColumnSpan="4" Margin="0,0.01,0,0" Grid.Row="1" SelectionMode="Single">
<ListView.View>
<GridView>
<GridViewColumn Header=" numb " >
<GridViewColumn.CellTemplate>
<DataTemplate>
<StackPanel Orientation="Horizontal">
<TextBlock x:Name="TxtTest" />
</StackPanel>
<DataTemplate.Triggers>
<DataTrigger Binding="{Binding Path=boolTest}">
<DataTrigger.Value>
<sys:Boolean>False</sys:Boolean>
</DataTrigger.Value>
<Setter TargetName="TxtTest" Property="Text" Value="test false"/>
</DataTrigger>
<DataTrigger Binding="{Binding Path=boolTest}">
<DataTrigger.Value>
<sys:Boolean>True</sys:Boolean>
</DataTrigger.Value>
<Setter TargetName="TxtTest" Property="Text" Value="test true"/>
</DataTrigger>
</DataTemplate.Triggers>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
</ListView>