将复选框添加到wpf列表框以进行多项选择

  <StackPanel Grid.Column="0" >
            <Button Name="buttonEditListBoxItem" Content="Edit" Click="buttonEditListBoxItem_Click"></Button>
            <ListBox  Name="ListBoxTriggers" 
                 SelectedValuePath="TriggerId" 
                 IsSynchronizedWithCurrentItem="True"
                 SelectionChanged="Triggers_SelectionChanged"
                 ScrollViewer.HorizontalScrollBarVisibility="Auto" 
                 HorizontalContentAlignment="Stretch">
            <ListBox.ItemTemplate>
                <DataTemplate><Grid >
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="AUTO"/>
                                <ColumnDefinition Width="*"/>
                            </Grid.ColumnDefinitions>
                            <CheckBox Grid.Column="0" VerticalAlignment="Center" x:Name="checkBoxTriggers" ></CheckBox>
                            <Button Grid.Column="1" Style="{StaticResource GlassButton}" 
                            Uid="{Binding Path=TriggerId}" 
                            Margin="5"
                           x:Name="ButtonTrigger"
                           GotFocus="ButtonTrigger_GotFocus"
                          >
                                <Button.Content>
                                    <TextBlock Foreground="White" TextAlignment="Justify"
                                       TextWrapping="Wrap" Margin="6"   Text="{Binding Path=Name}"/>
                                </Button.Content>
                            </Button>
                        </Grid>
                    </DataTemplate>
                </ListBox.ItemTemplate></ListBox>

            </StackPanel>
  <StackPanel Grid.Column="0" >
            <Bu